Total CPU of AWR Report
How to interpret % of total CPU for Instance and % of busy CPU for Instance under of AWR Report.
acs
hope it helps
-- one-hour history of the Host CPU Utilization
select BEGIN_TIME, END_TIME, GROUP_ID, METRIC_ID, METRIC_NAME, VALUE, METRIC_UNIT
from V$SYSMETRIC_HISTORY
where METRIC_NAME LIKE '%Host CPU%'
Similar Messages
-
Total of %db time column is greater than 100 in AWR report
Hello,
I have a query regarding "To 5 timed foreground events" section of AWR report.
On many occassions I found that the sum of all the values in the %db time column as mentioned above is grater than 100.
How can percentage be greater than 100?
Event
Waits
Time(s)
Avg wait (ms)
% DB time
Wait Class
DB CPU
29,212
98.18
latch: shared pool
2,291
286
125
0.96
Concurrency
direct path read
147,998
112
1
0.38
User I/O
library cache: mutex X
4,831
92
19
0.31
Concurrency
log file sync
36,736
72
2
0.24
Commit
In the above case the total comes up to just 100.07 % but I have seen reports where the total goes beyond 120 % -130 %.
Can you explain why this happens, please?
Thanks,
RushiCan someone explain above situation, please?
-
CPU usage calculation for AWR report
We took an AWR snapshot and CPU time ranked number 1 in the Top 5 timed events .
How do i calculate the CPU usage during the snap Interval?
Details about CPU TIME from TOP 5 timed events
Event - CPU time
Waits - Blank
Time(s)- 1,877
Avg Wait(ms) - Blank
% Total Call Time - 92.3
Wait Class - BlankThe snap shot period (interval) was 30 minutes (Mentioned as ELAPSED after "Begin Snap" and "End Snap" at the beginning of the AWR report)try something like this:
SELECT end_time, instance_number, metric_name, AVERAGE, MAXVAL, STANDARD_DEVIATION
FROM dba_hist_sysmetric_summary
WHERE metric_name LIKE 'Host CPU Utilization (%)'
AND snap_id = <&snap_id
/ -
'%Total Call Time ' in AWR report
Hi.
I have a quick question here,
For the awr report, the ‘Top 5 Timed Events’ section, does anybody knows how the ‘%Total Call Time ‘ is calculated for each event listed there?
Top 5 Timed Events Avg %Total
~~~~~~~~~~~~~~~~~~ wait Call
Event Waits Time (s) (ms) Time Wait Class
PX Deq Credit: send blkd 5,682,600 3,816 1 39.8 Other
db file scattered read 91,236 1,681 18 17.5 User I/O
CPU time 1,347 14.0
log file sync 99,426 752 8 7.8 Commit
log file parallel write 97,921 523 5 5.4 System I/O
Thanks,
Lei922884 wrote:
Hi,
Db version is 10.2.0.4.0
What is meaning of waits and % Total Call Time in Top 5 Timed Events in AWR report? Waits is the number of times a session waited on a particular call
% Total Call Time is the total time spent in this event divided by the db time, converted to a percentage.
It gives you some idea of how signifcant this event was in the total time spent waiting by the user. Unfortunately the SQLNet times are excluded in the calculations, so there is a component of time that (from the end-users' perspective) is lost.
How to read AWR report?Where i have to start from it?
The best place to start is probably still the white paper about statspack produced by Oracle 11 years ago: http://www.oracle.com/technetwork/database/focus-areas/performance/statspack-opm4-134117.pdf
How the values are calculated in awr? For example db time is 556.15 and elapsed time is 1,439.73 .
elapsed time is the clock time between the start and end time of the snapshots, reportedin in minutes - in your case your report covers 24 hours which is generally far too long to be useful.
db time is the time your sessions were active "inside" the database - again in minutes - and it's a measure of how much time you spent working. It is the sum of wait time and CPU time.
Regards
Jonathan Lewis -
Old query taking substantial CPU time in AWR report
Hi,
We have a particular query which used to generate substantial CPU wait event in the AWR report.On of our DBA's killed the query some days back but still today's AWR report shows that particular query as the largest CPU consumer (50%). When I checked from the view V$SQL the last execution time was of 23-02-2011.
My question is after the query gets killed does it still show in the v$SQL ? And why is it still showing in the SQL BY ELAPSED TIME section ?
Please help.No it is a select statement. I AM PASTING THE QUERY BELOW.
select /*+ FULL(COMP_TM) FULL(TRANS_TM) FULL(INVC_TM) */
CUST_BE_ID ,
DISTR_BE_ID ,
FG_BE_ID ,
KIT_BE_ID ,
BG_ID_NO_BE_ID ,
ACTL_TERR_BE_ID ,
CORE_TERR_BE_ID ,
sum( JNJ_LIST_AMT ) AS JNJ_LIST_AMT,
sum( JNJ_PYMT_AMT ) AS JNJ_PYMT_AMT,
sum( JNJ_QTY ) AS JNJ_QTY,
sum( JNJ_REB_AMT ) AS JNJ_REB_AMT,
sum( JNJ_SLS_AMT ) AS JNJ_SLS_AMT,
sum( KIT_LIST_AMT ) AS KIT_LIST_AMT,
sum( KIT_QTY ) AS KIT_QTY,
sum( KIT_SLS_AMT ) AS KIT_SLS_AMT,
sum( FG_PYMT_AMT ) AS FG_PYMT_AMT,
sum( FG_QTY ) AS FG_QTY,
sum( FG_REB_AMT ) AS FG_REB_AMT,
sum( FG_SLS_AMT ) AS FG_SLS_AMT,
sum( FG_LIST_AMT ) AS FG_LIST_AMT,
to_date('15'||substr(COMP_TM.FISC_MO_CD,8,2)||substr(COMP_TM.FISC_MO_CD,3,4),'DDMMYYYY') AS TRANS_MO_DATE,
to_number(substr(COMP_TM.FISC_MO_CD,3,4) ) AS PRD_YR_CD,
to_number(substr(COMP_TM.FISC_MO_CD,8,2) ) AS PRD_MO_CD,
CONTR_PRD_TIER_NO,
COMP_TM.FISC_MO_OID AS COMP_MO_BE_ID,
CLSD_YR_FLG,
ADJM_TRANS_CD,
INVC_TM.FISC_MO_OID AS INVC_MO_BE_ID,
ORD_TYP_CD,
TRANS_TM.FISC_MO_OID AS TRANS_MO_BE_ID
from
FACT_DLY_ALGND_SLS F, DIM_TM_MV TRANS_TM,
DIM_TM_MV INVC_TM, DIM_TM_MV COMP_TM
/***** comment out for loading historical data.... ***/
WHERE F.PRD_YR_CD >= (select case when to_number(to_char(sysdate,'MM')) <= 3
then to_number(to_char(sysdate,'YYYY'))-1
else to_number(to_char(sysdate,'YYYY'))
end case from dual
-- and F.PRD_YR_CD = '2008'
AND F.COMP_DT_BE_ID=COMP_TM.BE_ID
AND F.TRANSACTION_DATE = TRANS_TM.DAY_STRT_PRD_OF_TM
AND TRANS_TM.DAY_OID = TRANS_TM.BE_ID
AND F.INVC_DT = INVC_TM.DAY_STRT_PRD_OF_TM
AND INVC_TM.DAY_OID = INVC_TM.BE_ID
group by
CUST_BE_ID ,
DISTR_BE_ID ,
FG_BE_ID ,
KIT_BE_ID ,
BG_ID_NO_BE_ID ,
ACTL_TERR_BE_ID ,
CORE_TERR_BE_ID ,
to_date('15'||substr(COMP_TM.FISC_MO_CD,8,2)||substr(COMP_TM.FISC_MO_CD,3,4),'DDMMYYYY'),
to_number(substr(COMP_TM.FISC_MO_CD,3,4) ),
to_number(substr(COMP_TM.FISC_MO_CD,8,2) ),
CONTR_PRD_TIER_NO,
COMP_TM.FISC_MO_OID ,
CLSD_YR_FLG,
ADJM_TRANS_CD,
INVC_TM.FISC_MO_OID ,
ORD_TYP_CD,
TRANS_TM.FISC_MO_OIDI am wrong in the previous post. Actually the elapsed time in the AWR was showing 840 mins. -
DB CPU event in top 5 of AWR report question
The top 5 foreground event in my AWR report is as follows. I am trying to understand if my db(system) is CPU bound.The elapsed time is 30 minutes and DB time is 675 in the load profile section. There are 32 cpus. The available CPU is 30*60*32 => 57600. The DB CPU below is 35227. This is about 61 %. At what percentage of DB CPU do I consider my system is CPU bound ?. Also I want to make sure the method I arrived at this is correct or not. Please help. Event Waits Time(s) Avg wait (ms) % DB time Wait Class DB CPU 35,277 87.12 DBMS_LDAP: LDAP operation 3,683 10,061 366 9.1 Other db file sequential read 233,584 933 4 2.3 User I/O read by other session 41,686 190 5 0.47 User I/O log file sync 70,932 166 2 0.41 Commit
Why does the top 5 foreground indicate 87 % below the % DB Time column ? While my calculation shows 61 %, Which is correct for the interpretation if the system is CPU bound. The 2 lines of top 5 events are as follows
Event
Waits
Time(s)
Avg wait (ms)
% DB time
Wait Class
DB CPU
35,277
87.12 -
CPU TIME and DB CPU events under TOP 5 TIMED FOREGROUND EVENTS section in AWR report
Is there any difference between "CPU TIME" event and "DB CPU" event when shown in AWR report under section "TOP 5 TIMED FOREGROUND EVENTS"?
As per my understanding of both these terms they indicate the same thing. But then if it is so then why have different names?
I searched around but the only relevant discussion that I found was as under, which didn't really cleared the doubt.
https://forums.oracle.com/message/2571255#2571255In the article that you have mentioned - Jonathan Lewis gives you a very clear explanation. CPU Time is updated at the end of a query. DB CPU is updated every few seconds.
So the CPU Time may be less than DB CPU if there is a long running query that did not complete during the snapshot that you are reporting for. Conversly CPU Time may be larger than DB CPU if there is a long running query that spanned multiple snapshots but completed in the snapshot that you are reporting for. -
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 ReportSQL> 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 -
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
Back to Top
Operating System Statistics
No data exists for this section of the report.
Back to Wait Events Statistics
Back to Top
Operating System Statistics - Detail
No data exists for this section of the report.
Back to Wait Events Statistics
Back to Top
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
Back to Top
Foreground Wait Events
No data exists for this section of the report.
Back to Wait Events Statistics
Back to Top
Background Wait Events
No data exists for this section of the report.
Back to Wait Events Statistics
Back to Top
Wait Event Histogram
No data exists for this section of the report.
Back to Wait Events Statistics
Back to Top
Wait Event Histogram Detail (64 msec to 2 sec)
No data exists for this section of the report.
Back to Wait Events Statistics
Back to Top
Wait Event Histogram Detail (4 sec to 2 min)
No data exists for this section of the report.
Back to Wait Events Statistics
Back to Top
Wait Event Histogram Detail (4 min to 1 hr)
No data exists for this section of the report.
Back to Wait Events Statistics
Back to Top
Service Statistics
No data exists for this section of the report.
Back to Wait Events Statistics
Back to Top
Service Wait Class Stats
No data exists for this section of the report.
Back to Wait Events Statistics
Back to Top
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
Back to Top
SQL ordered by CPU Time
No data exists for this section of the report.
Back to SQL Statistics
Back to Top
SQL ordered by User I/O Wait Time
No data exists for this section of the report.
Back to SQL Statistics
Back to Top
SQL ordered by Gets
No data exists for this section of the report.
Back to SQL Statistics
Back to Top
SQL ordered by Reads
No data exists for this section of the report.
Back to SQL Statistics
Back to Top
SQL ordered by Physical Reads (UnOptimized)
No data exists for this section of the report.
Back to SQL Statistics
Back to Top
SQL ordered by Executions
No data exists for this section of the report.
Back to SQL Statistics
Back to Top
SQL ordered by Parse Calls
No data exists for this section of the report.
Back to SQL Statistics
Back to Top
SQL ordered by Sharable Memory
No data exists for this section of the report.
Back to SQL Statistics
Back to Top
SQL ordered by Version Count
No data exists for this section of the report.
Back to SQL Statistics
Back to Top
Complete List of SQL Text
No data exists for this section of the report.
Back to SQL Statistics
Back to Top
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
Back to Top
Instance Activity Stats - Absolute Values
No data exists for this section of the report.
Back to Instance Activity Statistics
Back to Top
Instance Activity Stats - Thread Activity
No data exists for this section of the report.
Back to Instance Activity Statistics
Back to Top
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.
Back to IO Stats
Back to Top
IOStat by Filetype summary
No data exists for this section of the report.
Back to IO Stats
Back to Top
IOStat by Function/Filetype summary
No data exists for this section of the report.
Back to IO Stats
Back to Top
Tablespace IO Stats
No data exists for this section of the report.
Back to IO Stats
Back to Top
File IO Stats
No data exists for this section of the report.
Back to IO Stats
Back to Top
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
Back to Top
Checkpoint Activity
No data exists for this section of the report.
Back to Buffer Pool Statistics
Back to Top
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
Back to Top
MTTR Advisory
No data exists for this section of the report.
Back to Advisory Statistics
Back to Top
Buffer Pool Advisory
No data exists for this section of the report.
Back to Advisory Statistics
Back to Top
PGA Aggr Summary
No data exists for this section of the report.
Back to Advisory Statistics
Back to Top
PGA Aggr Target Stats
No data exists for this section of the report.
Back to Advisory Statistics
Back to Top
PGA Aggr Target Histogram
No data exists for this section of the report.
Back to Advisory Statistics
Back to Top
PGA Memory Advisory
No data exists for this section of the report.
Back to Advisory Statistics
Back to Top
Shared Pool Advisory
No data exists for this section of the report.
Back to Advisory Statistics
Back to Top
SGA Target Advisory
No data exists for this section of the report.
Back to Advisory Statistics
Back to Top
Streams Pool Advisory
No data exists for this section of the report.
Back to Advisory Statistics
Back to Top
Java Pool Advisory
No data exists for this section of the report.
Back to Advisory Statistics
Back to Top
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
Back to Top
Enqueue Activity
No data exists for this section of the report.
Back to Wait Statistics
Back to Top
Undo Statistics
Undo Segment Summary
Undo Segment Stats
Back to Top
Undo Segment Summary
No data exists for this section of the report.
Back to Undo Statistics
Back to Top
Undo Segment Stats
No data exists for this section of the report.
Back to Undo Statistics
Back to Top
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
Back to Top
Latch Sleep Breakdown
No data exists for this section of the report.
Back to Latch Statistics
Back to Top
Latch Miss Sources
No data exists for this section of the report.
Back to Latch Statistics
Back to Top
Mutex Sleep Summary
No data exists for this section of the report.
Back to Latch Statistics
Back to Top
Parent Latch Statistics
No data exists for this section of the report.
Back to Latch Statistics
Back to Top
Child Latch Statistics
No data exists for this section of the report.
Back to Latch Statistics
Back to Top
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
Back to Top
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
Back to Top
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
Back to Top
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
Back to Top
Segments by Optimized Reads
No data exists for this section of the report.
Back to Segment Statistics
Back to Top
Segments by Direct Physical Reads
No data exists for this section of the report.
Back to Segment Statistics
Back to Top
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
Back to Top
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
Back to Top
Segments by Direct Physical Writes
No data exists for this section of the report.
Back to Segment Statistics
Back to Top
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
Back to Top
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
Back to Top
Segments by Row Lock Waits
No data exists for this section of the report.
Back to Segment Statistics
Back to Top
Segments by ITL Waits
No data exists for this section of the report.
Back to Segment Statistics
Back to Top
Segments by Buffer Busy Waits
No data exists for this section of the report.
Back to Segment Statistics
Back to Top
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
Back to Top
Memory Resize Operations Summary
No data exists for this section of the report.
Back to Memory Statistics
Back to Top
Memory Resize Ops
No data exists for this section of the report.
Back to Memory Statistics
Back to Top
Process Memory Summary
No data exists for this section of the report.
Back to Memory Statistics
Back to Top
Back to Memory Statistics
Back to Top
SGA breakdown difference
No data exists for this section of the report.
Back to Memory Statistics
Back to Top
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
Back to Top
Streams Capture Rate
No data exists for this section of the report.
Back to Streams Statistics
Back to Top
Streams Apply
No data exists for this section of the report.
Back to Streams Statistics
Back to Top
Streams Apply Rate
No data exists for this section of the report.
Back to Streams Statistics
Back to Top
Buffered Queues
No data exists for this section of the report.
Back to Streams Statistics
Back to Top
Buffered Queue Subscribers
No data exists for this section of the report.
Back to Streams Statistics
Back to Top
Rule Set
No data exists for this section of the report.
Back to Streams Statistics
Back to Top
Persistent Queues
No data exists for this section of the report.
Back to Streams Statistics
Back to Top
Persistent Queues Rate
No data exists for this section of the report.
Back to Streams Statistics
Back to Top
Persistent Queue Subscribers
No data exists for this section of the report.
Back to Streams Statistics
Back to Top
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
Back to Top
Shared Servers Rates
No data exists for this section of the report.
Back to Shared Server Statistics
Back to Top
Shared Servers Utilization
No data exists for this section of the report.
Back to Shared Server Statistics
Back to Top
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. -
It's hard to present AWR report content here as if i go for copy paste the content alinment and format get changed. Is there any better way to present AWR report in my query.
Here is my query.
In a 2 hour AWR reports for a database I can see the below top 5 wait event's
the database is running on high CPU consumption (there are very less physical reads on database and Logical read is high i suppose ) so I also gather the Segments by Logical Reads. Please provide any suggestion how can i avoid logical reads I/o for the dataabse. If you see at bottom only two segments are responsible for high logical reads.
Please let me know if more content of AWR report is required.
Per Second Per Transaction
Redo size: 12,765.52 2,030.27
Logical reads: 324,030.64 51,534.93
Block changes: 71.62 11.39
Physical reads: 28.26 4.49
Physical writes: 3.84 0.61
User calls: 333.61 53.06
Parses: 157.16 24.99
Hard parses: 0.17 0.03
Sorts: 30.07 4.78
Logons: 1.71 0.27
Executes: 156.35 24.87
Transactions: 6.29
% Blocks changed per Read: 0.02 Recursive Call %: 28.05
Rollback per transaction %: 16.17 Rows per Sort: 29.99
Top 5 Timed Events
Event Waits Time(s) Avg Wait(ms) % Total Call TimeWait Class
CPU time 4,711 88.0
db file sequential read 190,548 356 2 6.7 User I/O
gc current block 2-way 172,948 151 1 2.8 Cluster
gc cr grant 2-way 128,668 67 1 1.2 Cluster
log file sync 37,920 54 1 1.0 Commit
Segments by Logical Reads
Total Logical Reads: 2,342,983,880
Captured Segments account for 99.8% of Total
Owner Tablespace Name Object Name Subobject Name Obj. Type Logical Reads %Total
web_dc DECOINDX D_1F01BC958000013B INDEX 909,141,504 38.80
web_dc DECODATA DM_RELATION_TYPE_S TABLE 908,104,384 38.76
web_dc DECOINDX D_1F01BC9580000518 INDEX 165,716,752 7.07
web_dc DECODATA DM_RELATION_S TABLE 136,235,504 5.81
web_dc DECOINDX D_1F01BC9580000024 INDEX 62,935,008 2.69
Regards
balvindarIn a 2 hour AWR reports for a database I can see the below top 5 wait event's
Comment: 2 hour is a too big interval to draw any conclusion. It should be 15-30 mins maximum.
Apart from that: 88 percent of the wall time is devoted to CPU, so do you have a problem? Not at all!!! Your database is doing pretty nothing.
the database is running on high CPU consumption (there are very less physical reads on database and Logical read is high i suppose ) so I also gather the Segments by Logical Reads. Please provide any suggestion how can i avoid logical reads I/o for the dataabse. If you see at bottom only two segments are responsible for high logical reads.
Comment: the database is not running on high CPU consumption. You would need to run an ADDM report to be able to ascertain that. We have no data on the CPU load of the server, nor how much Oracle is contributing to the load.
You cannot avoid logical read I/O, other than just stopping the application. You can tune them by tuning statements.
In the future, please wrap the output in tags (no spaces, lowercase), or I will need new glasses ;)
Sybrand Bakker
Senior Oracle DBA -
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$%' AND BITAND(KGLHDFLG,128)!=0 UNION SELECT DISTINCT SID FR
OM DBMS_ALERT_INFO
Segments by Buffer Busy Waits DB/Inst: SPICE/ONLINE Snaps: 4930-5026
Buffer
Tablespace Subobject Obj. Busy
Owner Name Object Name Name Type Waits %Total
SYS SYSTEM DBMS_ALERT_INFO TABLE 130,626 93.76
CliveChristophe Lize wrote:
Closing this thread even if it's not answered...Sorry, I don't have time to test this myself now, but you shouldn't mark this thread as answered if it is not, because other people might find it and think they find an answer if they have a similar question.
I suggest you try the following to narrow down things:
1. Open the RAW trace file and check the cursor numbers of the "direct path reads" - check if you can find any references for those cursor numbers manually. The cursor numbers are those numbers behind the WAIT #<xx>, and you can check if you find any other entry unequal to WAIT #<xx> with the same #<xx>, for example EXEC #<xx> or FETCH #<xx>
A short primer on how to interpret the raw trace file can also be found in MOS document 39817.1
2. Run the RAW trace file through alternative free trace file analyzers like SQLDeveloper (yes it can process raw trace files), OraSRP or Christian Antognini's TVD$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 -
Need help in reviewing AWR report
Hello Friends,
I need some information on reviewing this AWR report. Can you please tell me if you see any red flags or out of the ordinary? I’m trying to look for some performance or blocking issue that may be causing a process to run for longer than expected time or eventually terminate without finishing.
C:\Users\SIDDHARTH\Documents\Desktop\awr_rpt_-wbprdsnap_193927_thru_193952.htm
I do appreciate your help.
Thank you,Hi Ehtiram,
Thanks for your suggestion.
I have enclosed SQL stat rpt. can you suggest me which SQL ID causing this issue.
Elapsed Time (s) CPU Time (s) Executions Elap per Exec (s) % Total DB Time SQL Id SQL Module SQL Text
24,349 1,734 8,057 3.02 4.19 8x7g7z2azkbwy java@lena015 (TNS V1-V3) SELECT ES.EMPSKD_ACT_START_TIM...
19,014 4,960 8,800,248 0.00 3.27 0yg00z7gwc8xv java@lena014 (TNS V1-V3) SELECT * FROM override o WHERE...
16,686 583 2 8343.24 2.87 9btt17d327kjw java@lena018 (TNS V1-V3) DELETE FROM so_results_detail ...
12,969 189 1 12969.05 2.23 2rtppqwfnvucj java@lena014 (TNS V1-V3) SELECT WRKS_WORK_DATE FROM J...
11,432 9,712 2,138 5.35 1.96 07rqh01v58fqa java@lena018 (TNS V1-V3) Select AMXAVS_ID from AMX_AVAI...
9,683 676 12 806.96 1.66 8036tzu5fvvhg java@lena018 (TNS V1-V3) DELETE FROM so_distrib_detail ...
8,812 3,079 18,765 0.47 1.51 0crxpb0xurc21 java@lena014 (TNS V1-V3) select (fd.fcast_calls + fd.fc...
5,716 4,381 82,132 0.07 0.98 50cdgbs67apxr java@lena014 (TNS V1-V3) SELECT PG.* FROM SO_SCHEDULE_G...
5,364 110 47,005 0.11 0.92 9df2twkpvsw5p java@lena014 (TNS V1-V3) SELECT USR.WBU_ID VUF_RCP_ID...
4,911 4,080 7,996 0.61 0.84 g4yxt4nsahm6t java@lena015 (TNS V1-V3) SELECT R.RDR_UDF1 AS sGrace, ...
Back to SQL Statistics
Back to Top
SQL ordered by CPU Time
Resources reported for PL/SQL code includes the resources used by all SQL statements called by the code.
% Total DB Time is the Elapsed Time of the SQL statement divided into the Total Database Time multiplied by 100
CPU Time (s) Elapsed Time (s) Executions CPU per Exec (s) % Total DB Time SQL Id SQL Module SQL Text
9,712 11,432 2,138 4.54 1.96 07rqh01v58fqa java@lena018 (TNS V1-V3) Select AMXAVS_ID from AMX_AVAI...
4,960 19,014 8,800,248 0.00 3.27 0yg00z7gwc8xv java@lena014 (TNS V1-V3) SELECT * FROM override o WHERE...
4,626 4,718 1,196,614 0.00 0.81 0drcwvhmn0cnj java@lena014 (TNS V1-V3) select SKDGRP_ID, VOLTYP_ID, ...
4,381 5,716 82,132 0.05 0.98 50cdgbs67apxr java@lena014 (TNS V1-V3) SELECT PG.* FROM SO_SCHEDULE_G...
4,080 4,911 7,996 0.51 0.84 g4yxt4nsahm6t java@lena015 (TNS V1-V3) SELECT R.RDR_UDF1 AS sGrace, ...
3,079 8,812 18,765 0.16 1.51 0crxpb0xurc21 java@lena014 (TNS V1-V3) select (fd.fcast_calls + fd.fc...
1,892 2,802 8,463,493 0.00 0.48 60tk6bna3qwbn java@lena014 (TNS V1-V3) SELECT /*+INDEX(OVERRIDE IDX_O...
1,734 24,349 8,057 0.22 4.19 8x7g7z2azkbwy java@lena015 (TNS V1-V3) SELECT ES.EMPSKD_ACT_START_TIM...
1,437 1,438 157,923 0.01 0.25 75wjn3dnjq2x3 java@lena014 (TNS V1-V3) SELECT * FROM CMPLNC_GROUP_FIL...
1,241 2,243 19,223 0.06 0.39 fjucxsh2xum7c java@lena014 (TNS V1-V3) SELECT emp.emp_id FROM employe...
676 9,683 12 56.31 1.66 8036tzu5fvvhg java@lena018 (TNS V1-V3) DELETE FROM so_distrib_detail ...
583 16,686 2 291.61 2.87 9btt17d327kjw java@lena018 (TNS V1-V3) DELETE FROM so_results_detail ...
189 12,969 1 189.14 2.23 2rtppqwfnvucj java@lena014 (TNS V1-V3) SELECT WRKS_WORK_DATE FROM J...
Back to SQL Statistics
Back to Top
SQL ordered by Gets
Resources reported for PL/SQL code includes the resources used by all SQL statements called by the code.
Total Buffer Gets: 13,427,369,138
Captured SQL account for 60.3% of Total
Buffer Gets Executions Gets per Exec %Total CPU Time (s) Elapsed Time (s) SQL Id SQL Module SQL Text
3,403,579,267 2,138 1,591,945.40 25.35 9711.73 11431.76 07rqh01v58fqa java@lena018 (TNS V1-V3) Select AMXAVS_ID from AMX_AVAI...
1,070,482,359 1,196,614 894.59 7.97 4626.43 4718.30 0drcwvhmn0cnj java@lena014 (TNS V1-V3) select SKDGRP_ID, VOLTYP_ID, ...
421,090,926 18,765 22,440.23 3.14 3078.77 8812.06 0crxpb0xurc21 java@lena014 (TNS V1-V3) select (fd.fcast_calls + fd.fc...
322,602,711 8,800,248 36.66 2.40 4960.29 19013.56 0yg00z7gwc8xv java@lena014 (TNS V1-V3) SELECT * FROM override o WHERE...
287,681,734 19,223 14,965.50 2.14 1240.74 2243.16 fjucxsh2xum7c java@lena014 (TNS V1-V3) SELECT emp.emp_id FROM employe...
205,494,645 2,985,988 68.82 1.53 882.42 882.58 f736f78bg36fz java@lena014 (TNS V1-V3) SELECT WBT_ID FROM SO_EMPLOYEE...
189,266,051 114,985 1,646.01 1.41 703.31 710.28 4ca6cmu7vywx0 java@lena014 (TNS V1-V3) SELECT CG.* FROM SO_SCHEDULE_G...
180,050,736 2,478 72,659.70 1.34 840.37 3858.85 a13n3pt09jabr java@lena018 (TNS V1-V3) DELETE FROM AMX_AVAIL_SUMMARY ...
146,401,683 82,132 1,782.52 1.09 4381.09 5715.93 50cdgbs67apxr java@lena014 (TNS V1-V3) SELECT PG.* FROM SO_SCHEDULE_G...
133,298,999 60,547 2,201.58 0.99 515.19 802.26 cncd24nf9m6m6 java@lena014 (TNS V1-V3) SELECT SO.*, EMP.* FROM SO_EM...
Back to SQL Statistics
Back to Top
SQL ordered by Reads
Total Disk Reads: 161,056,185
Captured SQL account for 38.7% of Total
Physical Reads Executions Reads per Exec %Total CPU Time (s) Elapsed Time (s) SQL Id SQL Module SQL Text
16,051,442 2 8,025,721.00 9.97 583.23 16686.47 9btt17d327kjw java@lena018 (TNS V1-V3) DELETE FROM so_results_detail ...
14,313,828 12 1,192,819.00 8.89 675.73 9683.47 8036tzu5fvvhg java@lena018 (TNS V1-V3) DELETE FROM so_distrib_detail ...
4,589,031 8,057 569.57 2.85 1734.00 24349.00 8x7g7z2azkbwy java@lena015 (TNS V1-V3) SELECT ES.EMPSKD_ACT_START_TIM...
3,484,791 7 497,827.29 2.16 359.64 3188.47 6kn1bh485cgfm java@lena014 (TNS V1-V3) SELECT WRKS_WORK_DATE FROM J...
2,975,671 8,800,248 0.34 1.85 4960.29 19013.56 0yg00z7gwc8xv java@lena014 (TNS V1-V3) SELECT * FROM override o WHERE...
2,758,931 1 2,758,931.00 1.71 189.14 12969.05 2rtppqwfnvucj java@lena014 (TNS V1-V3) SELECT WRKS_WORK_DATE FROM J...
1,345,288 1 1,345,288.00 0.84 316.63 1319.96 cg19gczm0t1rq PYW121WA.exe select unique vctp.EMP...
1,321,391 0 0.82 302.93 1317.47 6dq9gfc26kmbt PYW121WA.exe select COUNT(*) from...
1,273,572 18,765 67.87 0.79 3078.77 8812.06 0crxpb0xurc21 java@lena014 (TNS V1-V3) select (fd.fcast_calls + fd.fc...
1,248,698 6 208,116.33 0.78 287.11 1297.41 250a6k8scn6d1 java@lena014 (TNS V1-V3) SELECT WRKS_WORK_DATE, EMPL...
Back to SQL Statistics
Back to Top
SQL ordered by Executions
Total Executions: 128,083,116
Captured SQL account for 51.0% of Total
Executions Rows Processed Rows per Exec CPU per Exec (s) Elap per Exec (s) SQL Id SQL Module SQL Text
8,800,248 4,896,274 0.56 0.00 0.00 0yg00z7gwc8xv java@lena014 (TNS V1-V3) SELECT * FROM override o WHERE...
8,463,493 2,096 0.00 0.00 0.00 60tk6bna3qwbn java@lena014 (TNS V1-V3) SELECT /*+INDEX(OVERRIDE IDX_O...
6,077,148 6,077,148 1.00 0.00 0.00 88vs2qyv0wrr7 java@lena018 (TNS V1-V3) SELECT SEQ_AMXAVS_ID.NEXTVAL F...
4,854,539 4,854,135 1.00 0.00 0.00 frdva1m6src9p java@lena014 (TNS V1-V3) select * from emp_def_lab wher...
4,520,588 4,840,522 1.07 0.00 0.00 1jgzwf0qkrmnv java@lena018 (TNS V1-V3) delete from "WORKBRAIN"."AMX_...
4,205,634 9,720,125 2.31 0.00 0.00 9gj46z0yfjbn6 java@lena014 (TNS V1-V3) SELECT * FROM so_posn_set_elmt...
3,834,278 3,834,039 1.00 0.00 0.00 gmgvzfk9nz404 java@lena014 (TNS V1-V3) SELECT ACT_ID, ACT_NAME, ACT...
2,985,988 2,674,478 0.90 0.00 0.00 f736f78bg36fz java@lena014 (TNS V1-V3) SELECT WBT_ID FROM SO_EMPLOYEE...
2,081,020 2,080,811 1.00 0.00 0.00 brnrwgx8c44zu java@lena014 (TNS V1-V3) SELECT tcode_udf8 FROM time_co...
1,779,779 2,531,807 1.42 0.00 0.00 fv9j5aanhvn35 java@lena014 (TNS V1-V3) select * from employee_team wh...
Back to SQL Statistics
Back to Top
SQL ordered by Parse Calls
Total Parse Calls: 42,958,894
Captured SQL account for 65.4% of Total
Parse Calls Executions % Total Parses SQL Id SQL Module SQL Text
6,077,150 6,077,148 14.15 88vs2qyv0wrr7 java@lena018 (TNS V1-V3) SELECT SEQ_AMXAVS_ID.NEXTVAL F...
4,205,421 4,205,634 9.79 9gj46z0yfjbn6 java@lena014 (TNS V1-V3) SELECT * FROM so_posn_set_elmt...
3,834,191 3,834,278 8.93 gmgvzfk9nz404 java@lena014 (TNS V1-V3) SELECT ACT_ID, ACT_NAME, ACT...
1,603,096 2,081,020 3.73 brnrwgx8c44zu java@lena014 (TNS V1-V3) SELECT tcode_udf8 FROM time_co...
982,185 982,187 2.29 4m7m0t6fjcs5x update seq$ set increment$=:2,...
902,759 906,293 2.10 6cvn595prdbtf java@lena014 (TNS V1-V3) SELECT wbt_id FROM employee_te...
821,077 1,779,779 1.91 fv9j5aanhvn35 java@lena014 (TNS V1-V3) select * from employee_team wh...
681,828 681,857 1.59 f0jjm3ky3kawn java@lena014 (TNS V1-V3) SELECT * FROM EMPLOYEE_BALANCE...
548,293 912,139 1.28 dmw686hrngaxf java@lena014 (TNS V1-V3) SELECT * FROM override WHERE o...
345,765 345,765 0.80 ftj9uawt4wwzb select condition from cdef$ wh...
Back to SQL Statistics
Back to Top
SQL ordered by Sharable Memory
No data exists for this section of the report.
Back to SQL Statistics
Back to Top
SQL ordered by Version Count
Only Statements with Version Count greater than 20 are displayed
Version Count Executions SQL Id SQL Module SQL Text
163 38,796 ax51zndhagcxh java@lena018 (TNS V1-V3) UPDATE work_summary SET wr...
122 444 7pgr0hyg72xps java@lena014 (TNS V1-V3) INSERT INTO employee_schedule ...
100 42,367 3dg7u9t51sszw java@lena014 (TNS V1-V3) UPDATE employee_schedule SET ...
41 131,055 c1zdcc94svbpb java@lena014 (TNS V1-V3) UPDATE override SET EMP_ID =...
{code}
Thank you. -
Question about Load Average in the AWR report
Hi,
I've some database in 11.2 RAC on AIX.
I was analyzing the root causes of eviction.
Looking AWR Report before the reboot I see:
DB1
Host CPU (CPUs: 6 Cores: 3 Sockets: )
~~~~~~~~ Load Average
Begin End %User %System %WIO %Idle
4.18 12.33 60.9 12.6 1.6 26.5
Instance CPU
~~~~~~~~~~~~
% of total CPU for Instance: 27.4
% of busy CPU for Instance: 37.3
%DB time waiting for CPU - Resource Mgr: 10.6
DB2
Host CPU (CPUs: 6 Cores: 3 Sockets: )
~~~~~~~~ Load Average
Begin End %User %System %WIO %Idle
3.77 13.93 60.7 12.5 1.6 26.7
Instance CPU
~~~~~~~~~~~~
% of total CPU for Instance: 6.9
% of busy CPU for Instance: 9.5
%DB time waiting for CPU - Resource Mgr: 0.0
Do you think these value ar high?
This is vmstats at the time of reboot:
DATA
RUN
BCK
AVM
FRE
PRE
PPI
PPO
PFR
PSR
PCY
FIN
FSY
FCS
CUS
CSY
CID
CWA
07/21/2013
00:08:17
31
0
7.400.345
579.923
0
81
0
0
0
0
3.292
187.010
19.560
84
16
0
0
07/21/2013
00:08:17
17
1
7.390.187
589.884
0
176
0
0
0
0
3.681
169.994
21.482
81
19
0
0
07/21/2013
00:08:17
27
1
7.402.121
577.816
0
115
0
0
0
0
3.150
157.210
18.503
84
16
0
0
07/21/2013
00:08:48
19
1
7.422.966
564.179
0
211
0
0
0
0
2.396
152.667
19.368
84
16
0
0
07/21/2013
00:08:48
19
1
7.427.693
559.268
0
162
0
0
0
0
2.990
154.733
19.843
85
15
0
0
07/21/2013
00:08:48
23
1
7.441.204
545.530
0
204
0
0
0
0
2.137
171.501
18.151
84
16
0
0
This is mpstat:
DATA
CPU
MIN
MAJ
MPC
INT
CS
ICS
RQ
MIG
LPA
SYSC
US
SY
WT
ID
PC
07/21/2013
00:08:48
0
12896
44
0
1279
3030
1362
2
367
100
27313
86
14
0
0
0.49
07/21/2013
00:08:48
1
11055
93
0
1123
3137
1315
1
222
100
31860
85
15
0
0
0.51
07/21/2013
00:08:48
2
5938
51
0
1465
3840
1294
2
532
100
29992
85
15
0
0
0.49
07/21/2013
00:08:48
3
6266
57
0
1247
3177
1046
2
511
100
22793
85
15
0
0
0.51
07/21/2013
00:08:48
4
2661
18
0
1729
4087
1707
4
264
100
24647
85
15
0
0
0.49
07/21/2013
00:08:48
5
4211
10
0
1395
2709
1101
2
209
100
21019
86
14
0
0
0.51
07/21/2013
00:08:49
0
9372
27
0
1150
2583
1219
0
245
100
47745
82
18
0
0
0.47
07/21/2013
00:08:49
1
11327
13
0
726
1803
794
1
130
100
25239
87
13
0
0
0.52
07/21/2013
00:08:49
2
8970
118
0
1459
4396
1517
0
602
100
24833
81
19
0
0
0.49
07/21/2013
00:08:49
3
7328
267
0
1329
4136
1273
2
586
100
25385
81
19
0
0
0.51
07/21/2013
00:08:49
4
8793
19
0
1133
2583
1036
1
235
100
24327
86
14
0
0
0.50
07/21/2013
00:08:49
5
8239
12
0
1309
2846
1165
1
277
100
18513
86
14
0
0
0.50
Thank youThank you Jonathan,
i'm looking ASH, 15 minutes before the crash.
I've 13% of buffer busy waits and 13% of cpu quantum
Avg Active
Event Event Class % Event Sessions
CPU + Wait for CPU CPU 59.09 0.15
buffer busy waits Concurrency 13.64 0.04
resmgr:cpu quantum Scheduler 13.64 0.04
The buffer busy waits was caused by an update of a table.
There are ETL jobs that runs every nigth.
Looking IO stats I notice a change in the use of the swap:
before the crash:
hdisk66 xfer: %tm_act bps tps bread bwrtn
1.0 8.2K 2.0 8.2K 0.0
read: rps avgserv minserv maxserv timeouts fails
2.0 6.7 3.8 9.6 0 0
write: wps avgserv minserv maxserv timeouts fails
0.0 0.0 0.0 0.0 0 0
queue: avgtime mintime maxtime avgwqsz avgsqsz sqfull
0.0 0.0 0.0 0.0 0.0 0.0
near the crash:
hdisk66 xfer: %tm_act bps tps bread bwrtn
71.0 241.7K 59.0 241.7K 0.0
read: rps avgserv minserv maxserv timeouts fails
59.0 12.1 0.2 183.5 0 0
write: wps avgserv minserv maxserv timeouts fails
0.0 0.0 0.0 0.0 0 0
queue: avgtime mintime maxtime avgwqsz avgsqsz sqfull
0.0 0.0 0.0 0.0 0.0 0.0 -
User I/O and db file parallel read is high in AWR report
Hi,
We have one performance issue during a job execution.
From the awr report we have identified one query with a table having millions of records causing problems and then we had also fine tuned that query by changing it's code and by using the optmizer hints. It is being executed in plsql batches. After fine tuning, On the first batch execution(first 5000 records) the query is taking only 5 mins, but on the consecutive batches it is consuming more time( more than 30 mins).
From the awr report I got the statistics as
Release : 11.2.0.2.0
Instance Efficiency Percentages (Target 100%)
Buffer Nowait %: 100.00 Redo NoWait %: 100.00
Buffer Hit %: 85.44 In-memory Sort %: 99.98
Library Hit %: 99.76 Soft Parse %: 99.15
Execute to Parse %: 88.91 Latch Hit %: 100.00
Parse CPU to Parse Elapsd %: 87.32 % Non-Parse CPU: 98.65
The buffer hit % is good. On each batch execution it is taking different set of records.
Top 5 Timed Foreground Events
Event Waits Time(s) Avg wait (ms) % DB time Wait Class
db file parallel read 120,485 42,540 353 89.60 User I/O
DB CPU 3,794 7.99
db file sequential read 145,074 606 4 1.28 User I/O
db file scattered read 70,030 556 8 1.17 User I/O
direct path write temp 12,423 21 2 0.04 User I/O
So the I/O is our main concern since that query contains one table with millions of records.
Host CPU (CPUs: 24 Cores: 24 Sockets: 4)
Load Average Begin Load Average End %User %System %WIO %Idle
1.40 1.45 0.6 0.3 3.7 99.0
Load is also normal.
From the Time model statistics , sql execute elapsed time is 98.27% of db time and only 7.99% is that of DB CPU.
Memory Statistics
Begin End
Host Mem (MB): 64,318.0 64,318.0
SGA use (MB): 30,720.0 30,720.0
PGA use (MB): 488.2 497.1
% Host Mem used for SGA+PGA: 48.52 48.54
Both the size of sga_max_size and sga_target are 32,212,254,720(32gb) bytes and that of
pga_aggregate target is 629,145,600(600mb)
from this it is evident that the memory is still available(so increase in memory size is not an option).
The sql statistics for that query shows like that
Elapsed Time (s) Executions Elapsed Time per Exec (s) %Total %CPU %IO SQL Id SQL Text
44,950.03 55 817.27 94.67 6.99 94.72 79dgmrxh4kv74 SELECT /*+ index(cdr_data cdr_...
I can't understand whether the problem is in the database side or with the query?
If the problem is with the query, then how it has been executed in 5 mins for the first batch ?
(all the batches are having 5000 records each).
And how can we reduce the db file parallel read ?
Your valuable advice will be greatly appreciated.
Thanks in advance
Manoj Kumar N"db file parallel read" is likely to be associated with something like index prefetching.
See:
http://www.freelists.org/post/oracle-l/RE-Calculating-LIOs,11
http://aprakash.wordpress.com/2012/05/29/index-range-scan-and-db-file-scattered-read-as-session-wait-event/
http://jonathanlewis.wordpress.com/2006/12/15/index-operations/
Tune the SQL.
Review the execution plan.
Check whether the statistics are accurate.
Review whether the index hint (and others that we can't see) is appropriate. -
Hi,
I need to run an Oracle query with the following fields in the AWR report:
First Query:
DB Name
Begin Snap Time
End Snap Time
Begin Snap
End Snap
Event
Waits
Time(s)
Avg wait (ms)
% DB time
Wait Class
Second Query:
DB Name
Begin Snap Time
End Snap Time
Begin Snap
End Snap
Elapsed Time (s)
Executions
Elapsed Time per Exec(s)
%Total
%CPU
%IO
SQL Id
SQL Module
SQL Text
How Can I write this query?
Thanks in advance!R.Royal wrote:
Thanks,
I know how to generate an AWR report but I would like to write a query that takes these fields from oracle views. (DBA_ or V$)
And the link I sent to you shows you the views required to do that.
Cheers,
Maybe you are looking for
-
Transfer structure 0BUS_AREA_TEXT_HA does not exist
We are transporting InfoCube - 0FIGL_C10. which we had collected in a transport request with grouping as in Data Flow Before. This request ended with return code 12 with error message "Transfer structure 0BUS_AREA_TEXT_HA does not exist, Error RSAR 4
-
How can i get my DVDs in the iTunes library?
All my film, bought in iTunes, are in the library. How can i ripp my DVDs to get them in iTunes, too?
-
Can I save PS edits in an xmp file to be read by LR?
The reason I ask this is I have hundreds of photos that were taken on a 5D with a scratched filter, so I am treating the marks as dust bunnies and getting rid of them in the same way, using spot healing and for the scratches, whtever the feature is c
-
Hi, I am performing a Database migration from DB2 to MSSQL Server. The JAVA system copy guide tells to use SAPINST to export Java. However I do not find any option in SAPINST 640 to do a Java export. <u>Environment information:</u> CRM 4.0 with W
-
I have .jsp page.I use tomcat server .When session is valid and i print sessionid in jsp using function session.getId() it print session id but when session is expire then new session id is printed .I didn't understand why this behavior.I set session