What to Check in AWR Report

Hi All,
Not very much experienced in performance tunning that why need your help, i generate AWR report for different times what to check, i started with top 5 events and trying to understand the portion of the report. Can anyone help me to understand the same
In case if AWR requires for the 3 snap shot i will provide the same

Hi,
If you have a performance issue on your system look for causes of that performance issue in the AWR. eg. compare the awr report for the period with bad performance with that of a one taken when performance was good. AWR taken during bad time would have "things" that weren't in the awr taken when performance was good or have "high values" for some "things". Start from that point and drill down.
If you don't have performance issues then confirm everything is running as it shoud be. Compare several awr reports and there shoulnd't me "anything" out of the ordinary.
You can start with
Instance Efficiency Percentages (Target 100%)
Top 5 Timed Foreground Events
Time Model Statistics
There are no hard and fast rules as to how you go about interpreting an awr. It depends on type of problem you have, your system, your applicaiton, time of day etc.
http://www.dba-oracle.com/t_rac_statspack_awr_report_tips.htm

Similar Messages

  • In AWR report, what is "Batched IO (bound) vector count" ?

    Hi All,
    Oracle v11.2, Linux, 64bit.
    I am looking at AWR report, in section, Instance Activity Stats.
    First stat is "Batched IO (bound) vector count". What does that stand for? I tried searching in documentation.
    Actually, in Instance Activity Stats, first few lines are, Batched IO (bound) vector count, Batched IO (full) vector count, Batched IO (space) vector count, Batched IO block miss count, Batched IO double miss count. Where can I find the details/meaning for these statistics ??
    Thanks in advance

    This is an idle wait event. For the description of it, see below
    http://download.oracle.com/docs/cd/B19306_01/server.102/b14237/waitevents003.htm#sthref3197
    Tanel has written good posts for the same.Check them out as well,
    http://blog.tanelpoder.com/2008/02/07/sqlnet-message-to-client-wait-gotcha/
    http://blog.tanelpoder.com/2008/02/10/sqlnet-message-to-client-vs-sqlnet-more-data-to-client/
    HTH
    Aman....
    Edited by: Aman.... on Nov 3, 2008 11:02 PM added Tanel's links.

  • What is measure of "Waits" value in AWR Report?

    Event
    Waits
    %Time -outs
    Total Wait Time (s)
    Avg wait (ms)
    Waits /txn
    SQL*Net more data from dblink
    406,747
    466
    1
    184.13
    db file scattered read
    28,659
    330
    12
    12.97
    SQL*Net message from dblink
    30,115
    254
    8
    13.63
    log file parallel write
    21,021
    177
    8
    9.52
    Hi All
        As below example, I have question What is measure of "Waits" value in "Wait Events" section in AWR report?
        Because "Waits" value is high but "Total Wait Time (s)" is low. example "SQL*Net message from dblink" has 30,115 "Waits" but "Total Wait Time (s)" less than "db file scattered read" has 28,659 "Waits".
        Could you please explain more about "Waits" value?
    Thank you
    Hiko

    taohiko wrote:
    Event
    Waits
    %Time -outs
    Total Wait Time (s)
    Avg wait (ms)
    Waits /txn
    SQL*Net more data from dblink
    406,747
    466
    1
    184.13
    db file scattered read
    28,659
    330
    12
    12.97
    SQL*Net message from dblink
    30,115
    254
    8
    13.63
    log file parallel write
    21,021
    177
    8
    9.52
    Hi All
        As below example, I have question What is measure of "Waits" value in "Wait Events" section in AWR report?
    It's simply a count ... of the number of times the system had to "WAIT" on the specified event.
        Because "Waits" value is high but "Total Wait Time (s)" is low. example "SQL*Net message from dblink" has 30,115 "Waits" but "Total Wait Time (s)" less than "db file scattered read" has 28,659 "Waits".
    Look at "AVG wait time".    In the one case, there were fewer occurrences of the event, but the average wait time per event was greater.
    If I buy 3 hamburgers and pay $1000 each
    or I buy 500 hamburgers and pay $1.00 each,
    why do 3 hamburgers cost more than 500 hamburgers?
        Could you please explain more about "Waits" value?
    "Waits" is the number of times the system had to wait on the named event, during the sampling period.
    "Total Wait Time" is the total time (measured in seconds) spent waiting on all occurrences of the specified event, during the sampling period.
    "Avg" wait" is the average time (measured in milliseconds) spent on each occurrence of the specified event, during the sampling period.
    It seems pretty self-evident.  You count how many times something happens (waits), you measure the time spent doing that something (total wait time), and you divide the total time spent (total wait time) by the number of times it happened (waits) to find out the average time spent on each occurrence of that something.   
    Thank you
    Hiko

  • How to monitor on disk i/o on healthcheck and awr report on biweekly health

    can you explain how to monitor from disk i/o and awr report from old snap shot to new snap shot
    how to check and analyze .,,,,,,,,,,,,,,,,,,,,,can any one tell few points which we can **regularly maintain for health check**
    thanks in advance
    SQL> SELECT group_number ,disk_number ,mount_status ,total_mb/1024 ,free_mb/1024
    2 ,reads, (bytes_read / (1024*1024*1024)) mb_read ,read_errs ,read_time,writes
    3 ,write_errs ,write_time FROM v$asm_disk;
    GROUP_NUMBER DISK_NUMBER MOUNT_S TOTAL_MB/1024 FREE_MB/1024 READS
    MB_READ READ_ERRS READ_TIME WRITES WRITE_ERRS WRITE_TIME
    2 0 OPENED 199.989258 0 13697147
    402.589765 0 44542.38 4358669 0 8883.86
    2 1 OPENED 199.989258 0 13653653
    405.503195 0 46014.33 4805783 0 11138.13
    2 2 OPENED 199.989258 0 15272350
    415.620874 0 45524.7 4571038 0 9806.01
    GROUP_NUMBER DISK_NUMBER MOUNT_S TOTAL_MB/1024 FREE_MB/1024 READS
    MB_READ READ_ERRS READ_TIME WRITES WRITE_ERRS WRITE_TIME
    2 3 OPENED 199.989258 0 22713630
    533.380945 0 48105.68 4692729 0 9994.31
    2 4 OPENED 199.99707 0 23986390
    547.804756 0 57601.79 5788565 0 11073.44
    1 0 OPENED 199.989258 0 310810
    47.4352741 0 9652.12 1877994 0 3490.5
    GROUP_NUMBER DISK_NUMBER MOUNT_S TOTAL_MB/1024 FREE_MB/1024 READS
    MB_READ READ_ERRS READ_TIME WRITES WRITE_ERRS WRITE_TIME
    1 1 OPENED 199.99707 0 137665
    44.7837362 0 9155.21 751099 0 3092.96
    1 2 OPENED 199.99707 0 139561
    44.7904587 0 9424.26 753116 0 2858.23
    1 3 OPENED 199.99707 0 141139
    44.7718539 0 9506.27 802414 0 2768.22
    9 rows selected.
    can you please tell me how to monitor on disk i/os which is as shown above and
    please tell me AWR report to analyze some basic points for health check
    please give some details for health check of database.
    thanks in advance

    Hi;
    What is DB version?
    Please check below doc:
    http://download.oracle.com/docs/cd/B28359_01/server.111/b28275/tdppt_degrade.htm#CACGCJDC
    Also see:
    What is AWR( Automatic workload repository ) and How to generate the AWR report? [ID 748642.1]
    How To Understand AWR Report / Statspack Report [ID 842884.1]
    Regard
    Helios

  • What to check in the certificates ?

    some of the phone's certificates were checked causing opera mini 4.1 not to work on my nokia 6085
    so what is the right checking of each of "app. signing" , "Cross-certif." , "server authen." in editable certificates
    just look at your phone and tell me what is not checked if your checks are the default

    Hi,
    If you have a performance issue on your system look for causes of that performance issue in the AWR. eg. compare the awr report for the period with bad performance with that of a one taken when performance was good. AWR taken during bad time would have "things" that weren't in the awr taken when performance was good or have "high values" for some "things". Start from that point and drill down.
    If you don't have performance issues then confirm everything is running as it shoud be. Compare several awr reports and there shoulnd't me "anything" out of the ordinary.
    You can start with
    Instance Efficiency Percentages (Target 100%)
    Top 5 Timed Foreground Events
    Time Model Statistics
    There are no hard and fast rules as to how you go about interpreting an awr. It depends on type of problem you have, your system, your applicaiton, time of day etc.
    http://www.dba-oracle.com/t_rac_statspack_awr_report_tips.htm

  • Updating AUD$ consumes most of the time in AWR report.

    Hi All,
    It's really good to see, great people passing their help to folks like us and making our life easier. Going forward,I am investigating on of the performance issue and analyzing the AWR report. By looking AWR, I did find updating aud$ taking most of times in AWR report. Following are the information , I extracted from the database and AWR report. Please see, what can be done to take away the bottlenecks.
    Version --  11.1.0.6.0
    OS      --  HPUXX Itanium
    Event                                 Waits     Time(s)   (ms)   time Wait Class
    enq: BF - allocation contentio        9,007       6,893    765   45.5 Other
    DB CPU                                            2,565          16.9
    db file scattered read              555,031       2,428      4   16.0 User I/O
    read by other session               288,910       1,428      5    9.4 User I/O
    PX Deq Credit: Session Stats         22,650         231     10    1.5 Other
    209fr01svbb5s
                                                              wait   % DB
    Event                                 Waits     Time(s)   (ms)   time Wait Class
    db file scattered read              291,023       1,973      7   61.6 User I/O
    DB CPU                                              890          27.8
    read by other session                81,495         340      4   10.6 User I/O
    log file sync                         1,210          21     17     .6 Commit
    db file sequential read              30,452          15      0     .5 User I/O
      Elapsed      CPU                  Elap per  % Total
      Time (s)   Time (s)  Executions   Exec (s)  DB Time    SQL Id
         3,134        833          118       26.6    97.9 209fr01svbb5s
    update sys.aud$ set action#=:2, returncode=:3, logoff$time=cast(SYS_EXTRACT_UTC(
    systimestamp) as date), logoff$pread=:4, logoff$lread=:5, logoff$lwrite=:6, logo
    ff$dead=:7, sessioncpu=:8 where sessionid=:1 and entryid=1 and action#=100     
    -------------------------- Plan from Cursor ---------------------------------------
    SQL_ID  209fr01svbb5s, child number 0
    update sys.aud$ set action#=:2, returncode=:3,
    logoff$time=cast(SYS_EXTRACT_UTC(systimestamp) as date),
    logoff$pread=:4, logoff$lread=:5, logoff$lwrite=:6, logoff$dead=:7,
    sessioncpu=:8 where sessionid=:1 and entryid=1 and action#=100
    Plan hash value: 1651467381
    | Id  | Operation          | Name | Rows  | Bytes | Cost (%CPU)| Time     |
    |   0 | UPDATE STATEMENT   |      |       |       |     2 (100)|          |
    |   1 |  UPDATE            | AUD$ |       |       |            |          |
    |*  2 |   TABLE ACCESS FULL| AUD$ |     1 |   139 |     2   (0)| 00:00:01 |
    Predicate Information (identified by operation id):
       2 - filter(("ENTRYID"=1 AND "ACTION#"=100 AND "SESSIONID"=:1 AND
                  ("SPARE2" IS NULL OR USERENV('ISDBA')='TRUE')))
    ++++ Last Anylzsed +++++
    TABLE_NAME                     LAST_ANAL
    AUD$                           08-NOV-07
    ++++++++ Table Size ++++++++++++++++++++++
    SQL> select sum(bytes)/1024/1024 "Audit Size" from dba_segments where segment_name='AUD$';
    Audit Size
          2469Regards

    Before purging audit data I would suggest two things. First what is the time period for the report in question? If it is for a low usage period then the audit activity as a percentage of the overall load may be a bit distorted. It may also be worth checking to see what information the audit captured as you could have a contractual or legal obligation to capture the data.
    Second and most import look to see what audit rules are in effect. By just removing a few unneeded rules such as auditing successful logins/logoffs or changing from by access to by session for specific objects you could potentially remove most of the activity being shown.
    You may also want to check to see if a purge job has been set up. See dba_scheduler_jobs and Oracle proviced package: DBMS_AUDIT_MGMT.
    HTH -- Mark D Powell --

  • Shared Pool Statistics - awr report -m 10.2.0.1

    Hi,
    I'm new to reading awr report and performance tuning.
    I have the below in my statspack.
    Do i need to increase my shared pool?
    Any one can advise and explain "% Memory for SQL w/exec" and "% SQL with executions>1"
    Shared Pool Statistics
    Begin End
    Memory Usage %: 95.78 97.71
    % SQL with executions>1: 51.51 80.85
    % Memory for SQL w/exec> 1: 67.88 82.46
    thanks!

    user21123 wrote:
    The sweet point for the shared pool Memory Usage % is at about ~70%-80% because of aging out. You are at ~90%. It would be advisable to increase the shared pool, but if you're using 10g SGA_TARGET and SGA_MAX_SIZE, then that might require increasing those parameters. It depends how your AWR report looks for the Buffer Cache.
    What makes you think this ?
    In an OLTP system you hope for 100% shareable SQL, and correct allocation for the other objects, which would lead to 100% usage. In realistic terms, you're likely to get a few percent (which is often the shared_pool_reserved) free because there's a constant turn-over of non-shareable SQL.
    If you're always seeing 70% - 80%, then there are several scenraios that might explain the figure. One is that you've simply made shared pool a bit too big. At the opposite extreme you might be constantly flushing 20%-30% of the material from the shared pool because it has become so fragmented that you have to clear a lot of garbage to create a small amount of contiguous space.
    The best guideline to follow is to check whether you appear to be losing a significant amount of time on libarary cache and shared pool latches, using up an undesirable amount of CPU on parse time, see lots of reloads (without corresponding invalidations) in v$librarycache.
    Without further information, we really can't say how good or bad the situation is. In fact, it's possible that the information that +"50% of your SQL has been shared, 50% has been single use"+ is a possible indicator that the shared_pool_size is too small, and we are filling the excess space with garbage rather than keeping the garbage (and library cache search time) to a minimum.
    I would be interested to hear the thinking behind your suggestion, though.
    Regards
    Jonathan Lewis
    http://jonathanlewis.wordpress.com
    http://www.jlcomp.demon.co.uk
    "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge." Stephen Hawking.

  • Help analyzing AWR report

    I need you help to analyze the results of the following awr report:
    The following awr report is an one hour report of oracle EBS application, oracle version 10203,
    on hpux with 20 cpus.
    As you can see , the top wait event is on "CPU time".
    I read an article by mr. lewis regarding the same issue:
    http://jonathanlewis.wordpress.com/statspack-distractions/
    on a machine with 20 CPUs , with one hour report , i have (3600*20)=72000 seconds to play with.
    although for the one hour target we should be aiming to use less than (1*3600*20)=72,000 CPU seconds.
    In my case I am using just 13,368 cpu second.
    The Load averages (from hpux top command): 0.30, 0.29, 0.28 on the machine low.
    Looking at "Top 5 Timed Events" shows that the last 3 wait events are not an issue.
    I alreay know the reason for the db file scattered read , and fixed it.
    Yet i still have a "nasty" huge plsql block (sqlid=32fwmj6fsaqm9) that run more than : 80973 sec (about 21 hour).
    select last_call_et,status
    from v$session
    where sid= 97
    LAST_CALL_ET     STATUS
    80973             ACTIVEThe top 3 statment that appear at top of "SQL ordered by CPU Time" are the same as
    the ones on the "SQL ordered by Gets ".
    Soprisely the statment that run 21 hour is not at the top of any wait event.
    It just at the 8 place of the "SQL ordered by Gets ".
    Cache Sizes
    ~~~~~~~~~~~                       Begin        End
                   Buffer Cache:     5,712M     5,712M  Std Block Size:         8K
               Shared Pool Size:     1,200M     1,200M      Log Buffer:    20,780K
    Load Profile
    ~~~~~~~~~~~~                            Per Second       Per Transaction
                      Redo size:            131,028.28             44,647.67
                  Logical reads:             46,663.75             15,900.60
                  Block changes:                774.58                263.94
                 Physical reads:                689.68                235.01
                Physical writes:                 45.77                 15.60
                     User calls:                197.04                 67.14
                         Parses:                 55.44                 18.89
                    Hard parses:                  2.49                  0.85
                          Sorts:                 57.97                 19.75
                         Logons:                  0.32                  0.11
                       Executes:              1,538.69                524.31
                   Transactions:                  2.93
      % Blocks changed per Read:    1.66    Recursive Call %:    90.83
    Rollback per transaction %:   26.52       Rows per Sort:    67.02
    Instance Efficiency Percentages (Target 100%)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                Buffer Nowait %:  100.00       Redo NoWait %:  100.00
                Buffer  Hit   %:   98.53    In-memory Sort %:  100.00
                Library Hit   %:   99.73        Soft Parse %:   95.50
             Execute to Parse %:   96.40         Latch Hit %:   99.98
    Parse CPU to Parse Elapsd %:   95.69     % Non-Parse CPU:   97.93
    Shared Pool Statistics        Begin    End
                 Memory Usage %:   74.33   69.54
        % SQL with executions>1:   78.32   78.17
      % Memory for SQL w/exec>1:   83.53   82.20
    Top 5 Timed Events                                         Avg %Total
    ~~~~~~~~~~~~~~~~~~                                        wait   Call
    Event                                 Waits    Time (s)   (ms)   Time Wait Class
    CPU time                                         13,368          77.6
    db file sequential read             844,095       3,578      4   20.8   User I/O
    db file scattered read              212,830         452      2    2.6   User I/O
    SQL*Net more data from client         3,116          92     30    0.5    Network
    log file parallel write              10,807          74      7    0.4 System I/O
    Time Model Statistics                 
    Statistic Name                                       Time (s) % of DB Time
    sql execute elapsed time                             16,785.3         97.4
    DB CPU                                               13,367.6         77.6
    DB time                                              17,232.8          N/A
                                                                      Avg
                                           %Time       Total Wait    wait     Waits
    Wait Class                      Waits  -outs         Time (s)    (ms)      /txn
    User I/O                    1,064,101     .0            4,032       4     100.7
    System I/O                     38,328     .0              123       3       3.6
    Network                       750,423     .0              102       0      71.0
    Commit                          8,043     .0               59       7       0.8
    perating System Statistics             DB/Inst:   Snaps: 13464-13465
    Statistic                                       Total
    AVG_BUSY_TIME                                 101,026
    AVG_IDLE_TIME                                 258,945
    AVG_IOWAIT_TIME                                26,203
    AVG_SYS_TIME                                   22,092
    AVG_USER_TIME                                  78,819
    BUSY_TIME                                   2,022,842
    IDLE_TIME                                   5,181,192
    IOWAIT_TIME                                   526,327
    SYS_TIME                                      444,162
    USER_TIME                                   1,578,680
    LOAD                                                0
    OS_CPU_WAIT_TIME                      785,867,591,900
    RSRC_MGR_CPU_WAIT_TIME                              0
    VM_IN_BYTES                               158,449,660
    VM_OUT_BYTES                                        0
    PHYSICAL_MEMORY_BYTES                  51,271,172,096
    NUM_CPUS                                           20
                                                                       Avg
                                                 %Time  Total Wait    wait     Waits
    Event                                 Waits  -outs    Time (s)    (ms)      /txn
    db file sequential read             844,095     .0       3,578       4      79.9
    db file scattered read              212,830     .0         452       2      20.1
    Instance Activity Stats                DB/Inst:  
    Statistic                                     Total     per Second     per Trans
    CPU used by this session                    363,871          101.0          34.4
    CPU used when call started                  519,575          144.2          49.2
    SQL ordered by CPU Time               
        CPU      Elapsed                  CPU per  % Total
      Time (s)   Time (s)  Executions     Exec (s) DB Time    SQL Id
         9,993     10,180          470       21.26    59.1 g0g2sj2by3p75
    Module: JDBC Thin Client
    BEGIN WF_EVENT.LISTEN ( p_agent_name => :1, p_wait => :2, p_correlation => :3,
    p_deq_condition => null, p_message_count => :4, p_max_error_count => :5 ); END
         9,981     10,159            0         N/A    59.0 86xp3qt4czvy5
    Module: JDBC Thin Client
    begin :v1 := AR_BUS_EVENT_SUB_PVT.AutoRcpt_Run(:v2, :v3); end;
         9,791      9,806            1     9791.15    56.9 bf8wy6bhr6nak
    Module: JDBC Thin Client
    SELECT C.CUSTOMER_ID CUSTOMER_ID, C.CUSTOMER_SITE_USE_ID SITE_USE_ID, C.CURRENCY
    RCPT_CURRENCY, CR1.AMOUNT LAST_PAYMENT_AMOUNT, CR1.RECEIPT_DATE LAST_PAYMENT_DA
    TE, CR1.RECEIPT_NUMBER LAST_PAYMENT_NUMBER FROM ( SELECT A.CUSTOMER_ID, A.CUSTOM
    ER_SITE_USE_ID, A.CURRENCY, MAX(B.CASH_RECEIPT_ID) CASH_RECEIPT_ID FROM ( SELECT
    SQL ordered by Gets                   
                                    Gets              CPU     Elapsed
      Buffer Gets   Executions    per Exec   %Total Time (s)  Time (s)    SQL Id
        69,423,012          470    147,708.5   41.3  9992.60  10180.36 g0g2sj2by3p75
    Module: JDBC Thin Client
    BEGIN WF_EVENT.LISTEN ( p_agent_name => :1, p_wait => :2, p_correlation => :3,
    p_deq_condition => null, p_message_count => :4, p_max_error_count => :5 ); END
        69,359,054            0          N/A   41.3  9980.60  10159.36 86xp3qt4czvy5
    Module: JDBC Thin Client
    begin :v1 := AR_BUS_EVENT_SUB_PVT.AutoRcpt_Run(:v2, :v3); end;
        60,043,663            1 ############   35.7  9791.15   9805.93 bf8wy6bhr6nak
    Module: JDBC Thin Client
    SELECT C.CUSTOMER_ID CUSTOMER_ID, C.CUSTOMER_SITE_USE_ID SITE_USE_ID, C.CURRENCY
    RCPT_CURRENCY, CR1.AMOUNT LAST_PAYMENT_AMOUNT, CR1.RECEIPT_DATE LAST_PAYMENT_DA
    TE, CR1.RECEIPT_NUMBER LAST_PAYMENT_NUMBER FROM ( SELECT A.CUSTOMER_ID, A.CUSTOM
    ER_SITE_USE_ID, A.CURRENCY, MAX(B.CASH_RECEIPT_ID) CASH_RECEIPT_ID FROM ( SELECT
         9,346,430            0          N/A    5.6    59.53    133.04 32fwmj6fsaqm9
    Module: 01@<elease11i/appl_top/bzqi/1.0/sql/BZAUTOCT.sql
    DECLARE p_row_id VARCHAR2(30); p_batch_id ar_batches.batch_id%
    TYPE; p_batch_date ar_batches.batch_date%TYPE; p_currency_code
    ar_batches.currency_code%TYPE; p_name ar_batches.name%TYPE; p_
    comments ar_batches.comments%TYPE; p_exchange_date ar_batches.exchangI also found that the object: FND_CONCURRENT_REQUE had 5,826 row lock waits
    but i dnt know how much time its took.
    Also it had 538 buffef bussy waits.
    Could you suggest what to do with this information ?
    Segments by Row Lock Waits            
                                                                         Row
               Tablespace                      Subobject  Obj.          Lock    % of
    Owner         Name    Object Name            Name     Type         Waits Capture
    APPLSYS    APPL_DATA  FND_CONCURRENT_REQUE            TABLE        5,826   79.28
    APPLSYS    APPL_DATA  SYS_IOT_TOP_497864              INDEX          794   10.80
    Segments by Buffer Busy Waits          
                                                                      Buffer
               Tablespace                      Subobject  Obj.          Busy    % of
    Owner         Name    Object Name            Name     Type         Waits Capture
    APPLSYS    APPL_DATA  FND_CONCURRENT_REQUE            TABLE          538   65.93
    APPLSYS    APPL_DATA  SYS_IOT_TOP_11597965            INDEX          247   30.27
    APPLSYS    APPL_INDEX FND_CONCURRENT_REQUE            INDEX            4     .49
              -------------------------------------------------------------The last interesting thing that i founs is that the shared pool may too small:
    I have 32% miss.
    Library Cache Activity
                             Get    Pct            Pin    Pct             Invali-
    Namespace           Requests   Miss       Requests   Miss    Reloads  dations
    SQL AREA              11,593   32.7      5,723,318    0.2      7,095    1,659
              -------------------------------------------------------------

    user10634138 wrote:
    Yet i still have a "nasty" huge plsql block (sqlid=32fwmj6fsaqm9) that run more than : 80973 sec (about 21 hour).
    select last_call_et,status
    from v$session
    where sid= 97
    LAST_CALL_ET     STATUS
    80973             ACTIVE
    The last_call_et would be from the moment the front-end code called the pl/sql block, and since then the pl/sql could have been running a loop with a lot of deliberate waits (dbms_lock.sleep), or a number of different SQL statements that individually didn't consume huge resources or lose a lot of time, yet totalled a lot of time.
    Simple check before you start tracing, and if the session is still alive: select * from v$session_event where sid = 97, select name, value from V$sessstat where sid = 97 and value != 0, to see what clues this gives you about the time. You never know, you may find that a lot of the time was spent waiting on "PL/SQL lock timer".
    Regards
    Jonathan Lewis
    http://jonathanlewis.wordpress.com
    http://www.jlcomp.demon.co.uk
    To post code, statspack/AWR report, execution plans or trace files, start and end the section with the tag {noformat}{noformat} (lowercase, curly brackets, no spaces) so that the text appears in fixed format.
    "Science is more than a body of knowledge; it is a way of thinking"
    Carl Sagan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               

  • DBACockpit - Generate AWR reports not visible

    Hello,
    i have read the "SAP on Oracle Development Update":
    https://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/a07754d4-edd4-2910-0683-c9473aaeca51
    On page page 27 is a screenshot of the possibility to generate AWR reports out of DBACOCKPIT.
    I have an ABAP system on SAP_BASIS 7.00 with Patchlevel 15 (SAPKB70015) but i can not see this menu option. I only have the "Active Session History" but no "Workload Reporting".
    As described in sapnote #1028068 the monitored database is a local one and the licenses are purchased by SAP. The note also describes that the function should be available with SP12.
    What's wrong? Have you already checked your system for this point?
    Regards
    Stefan

    Hello Stefan, Hello Bill,
    we had the same problem. In 7.00 SP12 you can select the option, in SP15 it is not visible. We opened a customer message and were told, that there were some irritations arount the license of Oracle Diagnostic Pack, so SAP deactivated it in DBACOCKPIT/SP15. This is no problem any longer (note 1028068).
    In later SPs you can set an option (have look at note 1136582 / 1250596), but in SP15 you have to modify the source code. Unfortunately SAP isn't able to ship this via snote. In this case it might be better to open a customer message to get a detailed information.
    Regards
    Andreas

  • AWR Report -- Buffer Pool Advisory

    Hi,
    does anyone know in that kind of measurement the "Estimated Phys Reads (thousands)" from buffer pool advisory is ?
    I mean in seconds ? in hours ? addicted to the time period the report was written ?
    http://img.ly/images/6379055/full
    Thanks a lot
    *T                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   

    Re,
    OK it makes it a little bit clearer.
    What I now think to understand is that the "Estimated Phys Reads (thousands) no represents the
    current workload of the system it only gives clue that there will be a change around 3 times more blocks was red.
    Right ?
    But if it is like that why these numbers are changing from one to another report....
    So again another image.... Maybe my problem is that I try to set the current workload (phys block reads) in comparison with the "Estimated Phy Reads from the Advisory....
    Our AWR reports are generated every hour.
    http://img.ly/qNfn
    Sorry for my understanding problem... I also will try to check if the views gave other information than the ARW report.
    *T                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           

  • Diff b/w snapshot baselines and AWR reports

    Hi All,
    Can anyone tell what is the difference b/w snapshot baselines and AWR reports. I have gone through couple of articles and i feel both are same, however given different names.
    Am I correct?
    Thanks

    AWR report is a report comparing the pair of snapshots and thus giving you the details of what has happened between that inerval!
    The baselines is that "interesting time period" which you define telling to oracle and is used by oracle to compute the sql response tiime of your db with it in the subsequent timings. So both are completely different actually!
    HTH
    Aman....

  • AWR Report - no data!!

    Oracle Version: 11.1.0.7 64x
    OS Version: Windows 2008 Server 64x
    Hi There,
    We're just trying to generate a awr report for one of our databases and the report is coming out with no data.
    statistics_level parameter is set to "TYPICAL"; any idea to what's going on please?
    Thanks
    SQL>
    SQL> @?/rdbms/admin/awrrpt.sql
    Current Instance
    ~~~~~~~~~~~~~~~~
       DB Id    DB Name      Inst Num Instance
    1391811405 WEBTST              1 webtst
    Specify the Report Type
    ~~~~~~~~~~~~~~~~~~~~~~~
    Would you like an HTML report, or a plain text report?
    Enter 'html' for an HTML report, or 'text' for plain text
    Defaults to 'html'
    Enter value for report_type: text
    Type Specified:  text
    Instances in this Workload Repository schema
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
       DB Id     Inst Num DB Name      Instance     Host
    * 1391811405        1 WEBTST       webtst       WEBDBTST
    Using 1391811405 for database Id
    Using          1 for instance number
    Specify the number of days of snapshots to choose from
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    Entering the number of days (n) will result in the most recent
    (n) days of snapshots being listed.  Pressing <return> without
    specifying a number lists all completed snapshots.
    Enter value for num_days: 1
    Listing the last day's Completed Snapshots
                                                            Snap
    Instance     DB Name        Snap Id    Snap Started    Level
    webtst       WEBTST           43973 12 May 2011 00:00      1
                                  43974 12 May 2011 01:00      1
                                  43975 12 May 2011 02:00      1
                                  43976 12 May 2011 03:00      1
                                  43977 12 May 2011 04:00      1
                                  43978 12 May 2011 05:00      1
                                  43979 12 May 2011 06:00      1
                                  43980 12 May 2011 07:00      1
                                  43981 12 May 2011 08:00      1
                                  43982 12 May 2011 09:00      1
                                  43983 12 May 2011 10:00      1
                                  43984 12 May 2011 11:00      1
                                  43985 12 May 2011 11:02      1
    Specify the Begin and End Snapshot Ids
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    Enter value for begin_snap: 43984
    Begin Snapshot Id specified: 43984
    Enter value for end_snap: 43985
    End   Snapshot Id specified: 43985
    Specify the Report Name
    ~~~~~~~~~~~~~~~~~~~~~~~
    The default report file name is awrrpt_1_43984_43985.txt.  To use this name,
    press <return> to continue, otherwise enter an alternative.
    Enter value for report_name:
    Using the report name awrrpt_1_43984_43985.txt
    WARNING (-20023)
    ORA-20023: Missing start and end values for time model stat: parse time elapsed
    WARNING (-20023)
    ORA-20023: Missing start and end values for time model stat: DB CPU
    WARNING (-20016)
    ORA-20016: Missing value for SGASTAT: free memory
    WARNING (-20016)
    ORA-20016: Missing value for SGASTAT: free memory
    WARNING (-20009)
    ORA-20009: Missing System Statistic logons current
    WARNING (-20009)
    ORA-20009: Missing System Statistic logons current
    WARNING (-20009)
    ORA-20009: Missing System Statistic opened cursors current
    WARNING (-20009)
    ORA-20009: Missing System Statistic opened cursors current
    WARNING (-20023)
    ORA-20023: Missing start and end values for time model stat: sql execute elapsed
    WARNING (-20008)
    ORA-20008: Missing Init.ora parameter undo_management
    WARNING (-20008)
    ORA-20008: Missing Init.ora parameter db_block_size
    WARNING (-20016)
    ORA-20016: Missing value for SGASTAT: log_buffer
    WARNING (-20023)
    ORA-20023: Missing start and end values for time model stat: DB time
    WARNING (-20008)
    ORA-20008: Missing Init.ora parameter timed_statistics
    WARNING (-20008)
    ORA-20008: Missing Init.ora parameter timed_statistics
    WARNING (-20008)
    ORA-20008: Missing Init.ora parameter statistics_level
    WARNING (-20008)
    ORA-20008: Missing Init.ora parameter statistics_level
    WARNING (-20008)
    ORA-20008: Missing Init.ora parameter sga_target
    WARNING (-20008)
    ORA-20008: Missing Init.ora parameter pga_aggregate_target
    WARNING (-20023)
    ORA-20023: Missing start and end values for time model stat: background cpu time
    WARNING (-20023)
    ORA-20023: Missing start and end values for time model stat: background elapsed
    WARNING (-20023)
    ORA-20023: Missing start and end values for time model stat: connection manageme
    WARNING (-20016)
    ORA-20016: Missing value for SGASTAT: buffer_cache
    WARNING (-20016)
    ORA-20016: Missing value for SGASTAT: buffer_cache
    WARNING: Since the DB Time is less than one second, there was
             minimal foreground activity in the snapshot period.
             Some of the percentage values will be invalid.
    WORKLOAD REPOSITORY report for
    DB Name         DB Id    Instance     Inst Num Startup Time    Release     RAC
    WEBTST        1391811405 webtst              1 29-Apr-11 04:50 11.1.0.7.0  NO
    Host Name        Platform                         CPUs Cores Sockets Memory(GB)
    WEBDBTST         Microsoft Windows x86 64-bit                           .00
                  Snap Id      Snap Time      Sessions Curs/Sess
    Begin Snap:     43984 12-May-11 11:00:01
      End Snap:     43985 12-May-11 11:02:00
       Elapsed:                1.98 (mins)
       DB Time:                0.00 (mins)
    Cache Sizes                       Begin        End
    ~~~~~~~~~~~                  ---------- ----------
                   Buffer Cache:MM  Std Block Size:K
               Shared Pool Size:         0M         0M      Log Buffer:K
    ORA-01403: no data found
    Error encountered in Report Summary
    Continuing to Report Sections
    Time Model Statistics              DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Operating System Statistics         DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Operating System Statistics - DetailDB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Foreground Wait Class               DB/Inst: WEBTST/webtst  Snaps: 43984-43985
    -> s  - second, ms - millisecond -    1000th of a second
    -> ordered by wait time desc, waits desc
    -> %Timeouts: value of 0 indicates value was < .5%.  Value of null is truly 0
    -> Captured Time accounts for %  of Total DB time            .00 (s)
    -> Total FG Wait Time:    (s)  DB CPU time:            .00 (s)
                                                                      Avg
                                          %Time       Total Wait     wait
    Wait Class                      Waits -outs         Time (s)     (ms)  %DB time
    DB CPU                                                     0              100.0
    Foreground Wait Events             DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Background Wait Events             DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Wait Event Histogram               DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Service Statistics                 DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Service Wait Class Stats            DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    SQL ordered by Elapsed Time        DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    SQL ordered by CPU Time            DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    SQL ordered by Gets                DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    SQL ordered by Reads               DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    SQL ordered by Executions          DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    SQL ordered by Parse Calls         DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    SQL ordered by Sharable Memory     DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    SQL ordered by Version Count       DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Instance Activity Stats            DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Instance Activity Stats - Absolute ValuesDB/Inst: WEBTST/webtst  Snaps: 43984
                      No data exists for this section of the report.
    Instance Activity Stats - Thread ActivityDB/Inst: WEBTST/webtst  Snaps: 43984-
                      No data exists for this section of the report.
    Tablespace IO Stats                DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    File IO Stats                      DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Buffer Pool Statistics             DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Instance Recovery Stats             DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Buffer Pool Advisory                       DB/Inst: WEBTST/webtst  Snap: 43985
                      No data exists for this section of the report.
    PGA Aggr Summary                   DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    PGA Aggr Target Stats               DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    PGA Aggr Target Histogram           DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    PGA Memory Advisory                        DB/Inst: WEBTST/webtst  Snap: 43985
                      No data exists for this section of the report.
    Shared Pool Advisory                      DB/Inst: WEBTST/webtst  Snap: 43985
                      No data exists for this section of the report.
    SGA Target Advisory                        DB/Inst: WEBTST/webtst  Snap: 43985
                      No data exists for this section of the report.
    Streams Pool Advisory                      DB/Inst: WEBTST/webtst  Snap: 43985
                      No data exists for this section of the report.
    Java Pool Advisory                         DB/Inst: WEBTST/webtst  Snap: 43985
                      No data exists for this section of the report.
    Buffer Wait Statistics              DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Enqueue Activity                   DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Undo Segment Summary               DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Undo Segment Stats                  DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Latch Activity                     DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Latch Sleep Breakdown              DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Latch Miss Sources                 DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Mutex Sleep Summary                 DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Parent Latch Statistics            DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Child Latch Statistics              DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Segments by Row Lock Waits         DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Segments by ITL Waits               DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Segments by Buffer Busy Waits       DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Dictionary Cache Stats             DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Library Cache Activity              DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Memory Dynamic Components          DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Memory Resize Operations Summary    DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Memory Resize Ops                   DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Process Memory Summary             DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    sum
    SGA breakdown difference            DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Streams CPU/IO Usage               DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Streams Capture                     DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Streams Apply                       DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Buffered Queues                     DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Buffered Subscribers                DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Rule Set                            DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Persistent Queues                   DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Persistent Subscribers              DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    Resource Limit Stats                      DB/Inst: WEBTST/webtst  Snap: 43985
                      No data exists for this section of the report.
    init.ora Parameters                DB/Inst: WEBTST/webtst  Snaps: 43984-43985
                      No data exists for this section of the report.
    End of Report

    SQL> show parameter statistics
    NAME                                 TYPE        VALUE
    optimizer_use_pending_statistics     boolean     FALSE
    statistics_level                     string      TYPICAL
    timed_os_statistics                  integer     0
    timed_statistics                     boolean     TRUE
    SQL>
    SQL> SELECT statistics_name,
      2             session_status,
      3             system_status,
      4             activation_level,
      5             session_settable
      6      FROM   v$statistics_level
      7      ORDER BY statistics_name;
    STATISTICS_NAME                                                  SESSION_ SYSTEM_S ACTIVAT SES
    Active Session History                                           ENABLED  ENABLED  TYPICAL NO
    Adaptive Thresholds Enabled                                      ENABLED  ENABLED  TYPICAL NO
    Automated Maintenance Tasks                                      ENABLED  ENABLED  TYPICAL NO
    Bind Data Capture                                                ENABLED  ENABLED  TYPICAL NO
    Buffer Cache Advice                                              ENABLED  ENABLED  TYPICAL NO
    Global Cache Statistics                                          ENABLED  ENABLED  TYPICAL NO
    Longops Statistics                                               ENABLED  ENABLED  TYPICAL NO
    MTTR Advice                                                      DISABLED DISABLED TYPICAL NO
    Modification Monitoring                                          ENABLED  ENABLED  TYPICAL NO
    PGA Advice                                                       ENABLED  ENABLED  TYPICAL NO
    Plan Execution Sampling                                          ENABLED  ENABLED  TYPICAL YES
    Plan Execution Statistics                                        DISABLED DISABLED ALL     YES
    SQL Monitoring                                                   ENABLED  ENABLED  TYPICAL YES
    Segment Level Statistics                                         ENABLED  ENABLED  TYPICAL NO
    Shared Pool Advice                                               ENABLED  ENABLED  TYPICAL NO
    Streams Pool Advice                                              ENABLED  ENABLED  TYPICAL NO
    Threshold-based Alerts                                           ENABLED  ENABLED  TYPICAL NO
    Time Model Events                                                ENABLED  ENABLED  TYPICAL YES
    Timed OS Statistics                                              DISABLED DISABLED ALL     YES
    Timed Statistics                                                 ENABLED  ENABLED  TYPICAL YES
    Ultrafast Latch Statistics                                       ENABLED  ENABLED  TYPICAL NO
    Undo Advisor, Alerts and Fast Ramp up                            ENABLED  ENABLED  TYPICAL NO
    V$IOSTAT_* statistics                                            ENABLED  ENABLED  TYPICAL NO
    23 rows selected.
    SQL>Thanks
    Edited by: rsar001 on May 12, 2011 11:33 AM

  • How can I have a collective AWR report for RAC database in 10gR2 and 11gR1?

    Plz correct me here
    awrrpt.sql takes the snapshot at the instance level and incase we have 5 instances we have to take 5 awr reports for a particular period.correct???
    If above is true ,any wayout to collect a single collective AWR report for RAC database which includes information on all the instances in Oracle 10g R2 or 11gR1 ?
    Thanks in advance
    Gagan

    I have never come across a way for this. though I can n't say it is not there.
    But I guess it may not be feasible too becuase as we know the current AWR report contains data which is specific for one instance.
    Various hit ratios, top events, instance effeciency reports.... what not ..
    It would be really nice to see something is a new format where it lists values from each instance in a single report.. I guess such a thing Does not exiist as of now.

  • Blank awr report shown in oracle standars edition 11g (11.2.0.1.0)

    Hi, friends ..
    I am using Oracle 11g standars edition(11.2.0.1.0) on solaris 10 platform.I do have a very strange probleem..when iam trying to capture awr report i am getting a blank
    awr report contain ing nothing...like below section
    ---------------------------------------------------------------------------->
    WARNING: Since the DB Time is less than one second, there was minimal foreground activity in the snapshot period. Some of the percentage values will be invalid.
    WORKLOAD REPOSITORY report for
    DB Name DB Id Instance Inst num Startup Time Release RAC
    DISDB 771054785 disdb 1 30-Dec-10 10:12 11.2.0.1.0 NO
    Host Name Platform CPUs Cores Sockets Memory (GB)
    dissemination-new Solaris Operating System (x86-64) .00
    Snap Id Snap Time Sessions Cursors/Session
    Begin Snap: 1 30-Dec-10 11:30:21
    End Snap: 2 30-Dec-10 12:30:52
    Elapsed: 60.51 (mins)
    DB Time: 0.00 (mins)
    Report Summary
    Cache Sizes
    Begin End
    Buffer Cache: M M Std Block Size: K
    Shared Pool Size: 0M 0M Log Buffer: K
    Load Profile
    Per Second Per Transaction Per Exec Per Call
    DB Time(s): 0.0 0.0 0.00 0.00
    DB CPU(s): 0.0 0.0 0.00 0.00
    Redo size:
    Logical reads: 0.0 1.0
    Block changes: 0.0 1.0
    Physical reads: 0.0 1.0
    Physical writes: 0.0 1.0
    User calls: 0.0 1.0
    Parses: 0.0 1.0
    Hard parses:
    W/A MB processed: 0.0 0.0
    Logons:
    Executes: 0.0 1.0
    Rollbacks:
    Transactions: 0.0
    Instance Efficiency Percentages (Target 100%)
    Buffer Nowait %: Redo NoWait %:
    Buffer Hit %: In-memory Sort %:
    Library Hit %: Soft Parse %:
    Execute to Parse %: 0.00 Latch Hit %:
    Parse CPU to Parse Elapsd %: % Non-Parse CPU:
    Shared Pool Statisitics Not Available
    Top 5 Timed Foreground Events
    Event Waits Time(s) Avg wait (ms) % DB time Wait Class
    DB CPU 0 100.00
    Host CPU (CPUs: Cores: Sockets: )
    Load Average Begin Load Average End %User %System %WIO %Idle
    Instance CPU
    %Total CPU %Busy CPU %DB time waiting for CPU (Resource Manager)
    Memory Statistics
    Begin End
    Host Mem (MB):
    SGA use (MB):
    PGA use (MB):
    % Host Mem used for SGA+PGA:
    Main Report
    Report Summary
    Wait Events Statistics
    SQL Statistics
    Instance Activity Statistics
    IO Stats
    Buffer Pool Statistics
    Advisory Statistics
    Wait Statistics
    Undo Statistics
    Latch Statistics
    Segment Statistics
    Dictionary Cache Statistics
    Library Cache Statistics
    Memory Statistics
    Streams Statistics
    Resource Limit Statistics
    Shared Server Statistics
    init.ora Parameters
    Back to Top
    Wait Events Statistics
    Time Model Statistics
    Operating System Statistics
    Operating System Statistics - Detail
    Foreground Wait Class
    Foreground Wait Events
    Background Wait Events
    Wait Event Histogram
    Wait Event Histogram Detail (64 msec to 2 sec)
    Wait Event Histogram Detail (4 sec to 2 min)
    Wait Event Histogram Detail (4 min to 1 hr)
    Service Statistics
    Service Wait Class Stats
    Back to Top
    Time Model Statistics
    No data exists for this section of the report.
    Back to Wait Events Statistics
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    Operating System Statistics
    No data exists for this section of the report.
    Back to Wait Events Statistics
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    Operating System Statistics - Detail
    No data exists for this section of the report.
    Back to Wait Events Statistics
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    Foreground Wait Class
    s - second, ms - millisecond - 1000th of a second
    ordered by wait time desc, waits desc
    %Timeouts: value of 0 indicates value was < .5%. Value of null is truly 0
    Captured Time accounts for % of Total DB time .00 (s)
    Total FG Wait Time: (s) DB CPU time: .00 (s)
    Wait Class Waits %Time -outs Total Wait Time (s) Avg wait (ms) %DB time
    DB CPU 0 100.00
    Back to Wait Events Statistics
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    Foreground Wait Events
    No data exists for this section of the report.
    Back to Wait Events Statistics
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    Background Wait Events
    No data exists for this section of the report.
    Back to Wait Events Statistics
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    Wait Event Histogram
    No data exists for this section of the report.
    Back to Wait Events Statistics
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    Wait Event Histogram Detail (64 msec to 2 sec)
    No data exists for this section of the report.
    Back to Wait Events Statistics
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    Wait Event Histogram Detail (4 sec to 2 min)
    No data exists for this section of the report.
    Back to Wait Events Statistics
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    Wait Event Histogram Detail (4 min to 1 hr)
    No data exists for this section of the report.
    Back to Wait Events Statistics
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    Service Statistics
    No data exists for this section of the report.
    Back to Wait Events Statistics
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    Service Wait Class Stats
    No data exists for this section of the report.
    Back to Wait Events Statistics
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    SQL Statistics
    SQL ordered by Elapsed Time
    SQL ordered by CPU Time
    SQL ordered by User I/O Wait Time
    SQL ordered by Gets
    SQL ordered by Reads
    SQL ordered by Physical Reads (UnOptimized)
    SQL ordered by Executions
    SQL ordered by Parse Calls
    SQL ordered by Sharable Memory
    SQL ordered by Version Count
    Complete List of SQL Text
    Back to Top
    SQL ordered by Elapsed Time
    No data exists for this section of the report.
    Back to SQL Statistics
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    SQL ordered by CPU Time
    No data exists for this section of the report.
    Back to SQL Statistics
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    SQL ordered by User I/O Wait Time
    No data exists for this section of the report.
    Back to SQL Statistics
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    SQL ordered by Gets
    No data exists for this section of the report.
    Back to SQL Statistics
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    SQL ordered by Reads
    No data exists for this section of the report.
    Back to SQL Statistics
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    SQL ordered by Physical Reads (UnOptimized)
    No data exists for this section of the report.
    Back to SQL Statistics
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    SQL ordered by Executions
    No data exists for this section of the report.
    Back to SQL Statistics
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    SQL ordered by Parse Calls
    No data exists for this section of the report.
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    SQL ordered by Sharable Memory
    No data exists for this section of the report.
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    SQL ordered by Version Count
    No data exists for this section of the report.
    Back to SQL Statistics
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    Complete List of SQL Text
    No data exists for this section of the report.
    Back to SQL Statistics
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    Instance Activity Statistics
    Instance Activity Stats
    Instance Activity Stats - Absolute Values
    Instance Activity Stats - Thread Activity
    Back to Top
    Instance Activity Stats
    No data exists for this section of the report.
    Back to Instance Activity Statistics
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    Instance Activity Stats - Absolute Values
    No data exists for this section of the report.
    Back to Instance Activity Statistics
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    Instance Activity Stats - Thread Activity
    No data exists for this section of the report.
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    IO Stats
    IOStat by Function summary
    IOStat by Filetype summary
    IOStat by Function/Filetype summary
    Tablespace IO Stats
    File IO Stats
    Back to Top
    IOStat by Function summary
    No data exists for this section of the report.
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    IOStat by Filetype summary
    No data exists for this section of the report.
    Back to IO Stats
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    IOStat by Function/Filetype summary
    No data exists for this section of the report.
    Back to IO Stats
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    Tablespace IO Stats
    No data exists for this section of the report.
    Back to IO Stats
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    File IO Stats
    No data exists for this section of the report.
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    Buffer Pool Statistics
    Buffer Pool Statistics
    Checkpoint Activity
    Back to Top
    Buffer Pool Statistics
    No data exists for this section of the report.
    Back to Buffer Pool Statistics
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    Checkpoint Activity
    No data exists for this section of the report.
    Back to Buffer Pool Statistics
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    Advisory Statistics
    Instance Recovery Stats
    MTTR Advisory
    Buffer Pool Advisory
    PGA Aggr Summary
    PGA Aggr Target Stats
    PGA Aggr Target Histogram
    PGA Memory Advisory
    Shared Pool Advisory
    SGA Target Advisory
    Streams Pool Advisory
    Java Pool Advisory
    Back to Top
    Instance Recovery Stats
    No data exists for this section of the report.
    Back to Advisory Statistics
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    MTTR Advisory
    No data exists for this section of the report.
    Back to Advisory Statistics
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    Buffer Pool Advisory
    No data exists for this section of the report.
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    PGA Aggr Summary
    No data exists for this section of the report.
    Back to Advisory Statistics
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    PGA Aggr Target Stats
    No data exists for this section of the report.
    Back to Advisory Statistics
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    PGA Aggr Target Histogram
    No data exists for this section of the report.
    Back to Advisory Statistics
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    PGA Memory Advisory
    No data exists for this section of the report.
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    Shared Pool Advisory
    No data exists for this section of the report.
    Back to Advisory Statistics
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    SGA Target Advisory
    No data exists for this section of the report.
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    Streams Pool Advisory
    No data exists for this section of the report.
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    Java Pool Advisory
    No data exists for this section of the report.
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    Wait Statistics
    Buffer Wait Statistics
    Enqueue Activity
    Back to Top
    Buffer Wait Statistics
    No data exists for this section of the report.
    Back to Wait Statistics
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    Enqueue Activity
    No data exists for this section of the report.
    Back to Wait Statistics
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    Undo Statistics
    Undo Segment Summary
    Undo Segment Stats
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    Undo Segment Summary
    No data exists for this section of the report.
    Back to Undo Statistics
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    Undo Segment Stats
    No data exists for this section of the report.
    Back to Undo Statistics
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    Latch Statistics
    Latch Activity
    Latch Sleep Breakdown
    Latch Miss Sources
    Mutex Sleep Summary
    Parent Latch Statistics
    Child Latch Statistics
    Back to Top
    Latch Activity
    No data exists for this section of the report.
    Back to Latch Statistics
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    Latch Sleep Breakdown
    No data exists for this section of the report.
    Back to Latch Statistics
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    Latch Miss Sources
    No data exists for this section of the report.
    Back to Latch Statistics
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    Mutex Sleep Summary
    No data exists for this section of the report.
    Back to Latch Statistics
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    Parent Latch Statistics
    No data exists for this section of the report.
    Back to Latch Statistics
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    Child Latch Statistics
    No data exists for this section of the report.
    Back to Latch Statistics
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    Segment Statistics
    Segments by Logical Reads
    Segments by Physical Reads
    Segments by Physical Read Requests
    Segments by UnOptimized Reads
    Segments by Optimized Reads
    Segments by Direct Physical Reads
    Segments by Physical Writes
    Segments by Physical Write Requests
    Segments by Direct Physical Writes
    Segments by Table Scans
    Segments by DB Blocks Changes
    Segments by Row Lock Waits
    Segments by ITL Waits
    Segments by Buffer Busy Waits
    Back to Top
    Segments by Logical Reads
    Total Logical Reads: 1
    Captured Segments account for 4.6E+06% of Total
    Owner Tablespace Name Object Name Subobject Name Obj. Type Logical Reads %Total
    SYS SYSTEM I_SYSAUTH1 INDEX 15,008 1500800.00
    SYS SYSTEM I_OBJ2 INDEX 4,752 475200.00
    SYS SYSTEM TAB$ TABLE 2,176 217600.00
    SYS SYSTEM I_JOB_NEXT INDEX 1,856 185600.00
    SYS SYSTEM SYS_C00646 INDEX 1,664 166400.00
    Back to Segment Statistics
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    Segments by Physical Reads
    Total Physical Reads: 1
    Captured Segments account for 400.0% of Total
    Owner Tablespace Name Object Name Subobject Name Obj. Type Physical Reads %Total
    SYS SYSAUX WRH$_SYSMETRIC_SUMMARY_INDEX INDEX 3 300.00
    SYS SYSTEM KOTAD$ TABLE 1 100.00
    Back to Segment Statistics
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    Segments by Physical Read Requests
    Total Physical Read Requests: 1
    Captured Segments account for 400.0% of Total
    Owner Tablespace Name Object Name Subobject Name Obj. Type Phys Read Requests %Total
    SYS SYSAUX WRH$_SYSMETRIC_SUMMARY_INDEX INDEX 3 300.00
    SYS SYSTEM KOTAD$ TABLE 1 100.00
    Back to Segment Statistics
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    Segments by UnOptimized Reads
    Total UnOptimized Read Requests: 1
    Captured Segments account for 400.0% of Total
    Owner Tablespace Name Object Name Subobject Name Obj. Type UnOptimized Reads %Total
    SYS SYSAUX WRH$_SYSMETRIC_SUMMARY_INDEX INDEX 3 300.00
    SYS SYSTEM KOTAD$ TABLE 1 100.00
    Back to Segment Statistics
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    Segments by Optimized Reads
    No data exists for this section of the report.
    Back to Segment Statistics
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    Segments by Direct Physical Reads
    No data exists for this section of the report.
    Back to Segment Statistics
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    Segments by Physical Writes
    Total Physical Writes: 1
    Captured Segments account for 1.1E+04% of Total
    Owner Tablespace Name Object Name Subobject Name Obj. Type Physical Writes %Total
    SYSMAN SYSAUX MGMT_METRICS_RAW_PK INDEX 27 2700.00
    SYS SYSAUX WRH$_SYSMETRIC_HISTORY TABLE 16 1600.00
    SYS SYSAUX WRH$_SYSMETRIC_HISTORY_INDEX INDEX 16 1600.00
    SYSMAN SYSAUX MGMT_SYSTEM_PERF_LOG_IDX_01 INDEX 9 900.00
    SYS SYSAUX SMON_SCN_TIME TABLE 9 900.00
    Back to Segment Statistics
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    Segments by Physical Write Requests
    Total Physical Write Requestss: 1
    Captured Segments account for 5.1E+03% of Total
    Owner Tablespace Name Object Name Subobject Name Obj. Type Phys Write Requests %Total
    SYSMAN SYSAUX MGMT_METRICS_RAW_PK INDEX 11 1100.00
    SYS SYSAUX SMON_SCN_TIME TABLE 9 900.00
    SYSMAN SYSAUX MGMT_SYSTEM_PERF_LOG_IDX_01 INDEX 6 600.00
    SYSMAN SYSAUX MGMT_CURRENT_METRICS_PK INDEX 4 400.00
    SYS SYSTEM I_JOB_NEXT INDEX 2 200.00
    Back to Segment Statistics
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    Segments by Direct Physical Writes
    No data exists for this section of the report.
    Back to Segment Statistics
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    Segments by Table Scans
    Total Table Scans: 1
    Captured Segments account for 900.0% of Total
    Owner Tablespace Name Object Name Subobject Name Obj. Type Table Scans %Total
    SYS SYSTEM I_OBJ2 INDEX 9 900.00
    Back to Segment Statistics
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    Segments by DB Blocks Changes
    % of Capture shows % of DB Block Changes for each top segment compared
    with total DB Block Changes for all segments captured by the Snapshot
    Owner Tablespace Name Object Name Subobject Name Obj. Type DB Block Changes % of Capture
    SYS SYSTEM I_JOB_NEXT INDEX 896 58.95
    SYSMAN SYSAUX MGMT_METRICS_RAW_PK INDEX 160 10.53
    SYSMAN SYSAUX MGMT_CURRENT_METRICS_PK INDEX 112 7.37
    SYS SYSAUX SMON_SCN_TIME TABLE 80 5.26
    SYSMAN SYSAUX MGMT_SYSTEM_PERF_LOG_IDX_01 INDEX 64 4.21
    Back to Segment Statistics
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    Segments by Row Lock Waits
    No data exists for this section of the report.
    Back to Segment Statistics
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    Segments by ITL Waits
    No data exists for this section of the report.
    Back to Segment Statistics
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    Segments by Buffer Busy Waits
    No data exists for this section of the report.
    Back to Segment Statistics
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    Dictionary Cache Stats
    No data exists for this section of the report.
    Back to Top
    Library Cache Activity
    No data exists for this section of the report.
    Back to Top
    Memory Statistics
    Memory Dynamic Components
    Memory Resize Operations Summary
    Memory Resize Ops
    Process Memory Summary
    SGA Memory Summary
    SGA breakdown difference
    Back to Top
    Memory Dynamic Components
    No data exists for this section of the report.
    Back to Memory Statistics
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    Memory Resize Operations Summary
    No data exists for this section of the report.
    Back to Memory Statistics
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    Memory Resize Ops
    No data exists for this section of the report.
    Back to Memory Statistics
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    Process Memory Summary
    No data exists for this section of the report.
    Back to Memory Statistics
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    Back to Memory Statistics
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    SGA breakdown difference
    No data exists for this section of the report.
    Back to Memory Statistics
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    Streams Statistics
    Streams CPU/IO Usage
    Streams Capture
    Streams Capture Rate
    Streams Apply
    Streams Apply Rate
    Buffered Queues
    Buffered Queue Subscribers
    Rule Set
    Persistent Queues
    Persistent Queues Rate
    Persistent Queue Subscribers
    Back to Top
    Streams CPU/IO Usage
    No data exists for this section of the report.
    Back to Streams Statistics
    Back to Top
    Streams Capture
    No data exists for this section of the report.
    Back to Streams Statistics
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    Streams Capture Rate
    No data exists for this section of the report.
    Back to Streams Statistics
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    Streams Apply
    No data exists for this section of the report.
    Back to Streams Statistics
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    Streams Apply Rate
    No data exists for this section of the report.
    Back to Streams Statistics
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    Buffered Queues
    No data exists for this section of the report.
    Back to Streams Statistics
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    Buffered Queue Subscribers
    No data exists for this section of the report.
    Back to Streams Statistics
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    Rule Set
    No data exists for this section of the report.
    Back to Streams Statistics
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    Persistent Queues
    No data exists for this section of the report.
    Back to Streams Statistics
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    Persistent Queues Rate
    No data exists for this section of the report.
    Back to Streams Statistics
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    Persistent Queue Subscribers
    No data exists for this section of the report.
    Back to Streams Statistics
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    Resource Limit Stats
    No data exists for this section of the report.
    Back to Top
    Shared Server Statistics
    Shared Servers Activity
    Shared Servers Rates
    Shared Servers Utilization
    Shared Servers Common Queue
    Shared Servers Dispatchers
    Back to Top
    Shared Servers Activity
    No data exists for this section of the report.
    Back to Shared Server Statistics
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    Shared Servers Rates
    No data exists for this section of the report.
    Back to Shared Server Statistics
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    Shared Servers Utilization
    No data exists for this section of the report.
    Back to Shared Server Statistics
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    Shared Servers Common Queue
    No data exists for this section of the report.
    Back to Shared Server Statistics
    Back to Top
    Shared Servers Dispatchers
    No data exists for this section of the report.
    Back to Shared Server Statistics
    Back to Top
    init.ora Parameters
    No data exists for this section of the report.
    Back to Top
    Dynamic Remastering Stats
    No data exists for this section of the report.
    Back to Top
    End of Report
    ---------------------------------------------->>
    here intresting is that i also can't have the memory section view also.i trien to clear awr repositary and recreate it..bounce database,also tried taking different snap value.But does notmake any change.can u tell me why tha happening..and how can i get a good awr report.

    Hi there,
    I have covered this in my blog entry on the subject. Check that link out for more licensing information and other resources.
    The problem you are experiencing is caused by the fact that AWR is part of the DIAGNOSTIC and TUNING packs of Oracle 11g, which as of 11g is no longer a standard feature of the database but rather an optional extra which must be licensed in addition to your default Oracle Standard Edition package. In terms of the licensing, you just need to license it as an optional extra so that you will actually be using it legally, and then you can go ahead and enable it.
    While it may be an additional licensed item, it is actually installed on your DB by default, but is just not enabled. So, once you have cleared the licensing issue, you will be free to enable diagnostics by setting the new database parameter, CONTROL_MANAGEMENT_PACK_ACCESS. You can do this by running the following as a dba:
    <pre>alter system set control_management_pack_access="DIAGNOSTIC+TUNING" scope=both;</pre>
    After running this command, your database will start accumulating diagnostic information. Note that you will need to wait until new snapshots are created in which the new diagnostic information will be available. I found that although most of the information became available after setting CONTROL_MANAGEMENT_PACK_ACCESS, it was only once the database was restarted that all of the information became available. I have seen many people reporting similar behavior.
    Old snapshots will obviously continue to give the errors because they did not have the diagnostic information available at the time.

  • AWR reports DBMS_ALERT_INFO queries using significant elapsed time

    Hi
    10.1.0.3 / OpenVMS 8.2
    Has anyone encountered AWR reporting significant resource consumption on queries relating to DBMS_ALERT_INFO (via calls to dbms_alert.register)? The buffer busy waits % from AWR is high as well (see AWR snippets below). Oracle are suggesting this is "expected behaviour for the objects owned by
    the SYS user".
    The query takes (on average) 2.3 seconds elapsed, using 1.63 CPU seconds and is responsible for 94% of all Buffer Busy Waits.
    Elapsed CPU Elap per % Total
    Time (s) Time (s) Executions Exec (s) DB Time SQL Id
    10,965 7,746 4,756 2.3 4.7 57w71dgk5qbtx
    Module: DSA103:[CSC_ENV_1.APPLIC.][SPICE.LIB]SPC_PFS1_MA
    SELECT DISTINCT SUBSTR(KGLNAOBJ,11) SID FROM X$KGLOB WHERE KGLHDNSP = 7 AND KGLN
    AOBJ LIKE 'ORA$ALERT$%' AND BITAND(KGLHDFLG,128)!=0 UNION SELECT DISTINCT SID FR
    OM DBMS_ALERT_INFO
    Segments by Buffer Busy Waits DB/Inst: SPICE/ONLINE Snaps: 4930-5026
    Buffer
    Tablespace Subobject Obj. Busy
    Owner Name Object Name Name Type Waits %Total
    SYS SYSTEM DBMS_ALERT_INFO TABLE 130,626 93.76
    Clive

    Christophe Lize wrote:
    Closing this thread even if it's not answered...Sorry, I don't have time to test this myself now, but you shouldn't mark this thread as answered if it is not, because other people might find it and think they find an answer if they have a similar question.
    I suggest you try the following to narrow down things:
    1. Open the RAW trace file and check the cursor numbers of the "direct path reads" - check if you can find any references for those cursor numbers manually. The cursor numbers are those numbers behind the WAIT #<xx>, and you can check if you find any other entry unequal to WAIT #<xx> with the same #<xx>, for example EXEC #<xx> or FETCH #<xx>
    A short primer on how to interpret the raw trace file can also be found in MOS document 39817.1
    2. Run the RAW trace file through alternative free trace file analyzers like SQLDeveloper (yes it can process raw trace files), OraSRP or Christian Antognini's TVD$XTAT. If you have My Oracle Support access you can also try Oracle's own extended Trace Analyzer (TRCA / TRCANLZR). See MOS Note 224270.1
    Check if these tools tell you more about your specific wait event and oddities with the trace file in general.
    Regards,
    Randolf
    Oracle related stuff blog:
    http://oracle-randolf.blogspot.com/
    Co-author of the "OakTable Expert Oracle Practices" book:
    http://www.apress.com/book/view/1430226684
    http://www.amazon.com/Expert-Oracle-Practices-Database-Administration/dp/1430226684

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