AWR Report tuning

Hi All,
I have created AWR Report .But i can not anlayse what is the problem in that query which is taking more time to execute from that AWR report.
Can any one give me detail document of the AWR Report Events generated .So, I can analyse from that event where is the problem?
Thanks in advance.

Thanks for your reply
Plan hash value: 3677326586
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | Pstart| Pstop |
| 0 | SELECT STATEMENT | | 3 | 537 | 8018 (1)| 00:01:37 | | |
| 1 | VIEW | VWPREPAIDBALANCEINFORMATION | 3 | 537 | 8018 (1)| 00:01:37 | | |
| 2 | SORT UNIQUE | | 3 | 926 | 8018 (67)| 00:01:37 | | |
| 3 | UNION-ALL | | | | | | | |
| 4 | HASH GROUP BY | | 1 | 252 | 2673 (1)| 00:00:33 | | |
| 5 | NESTED LOOPS SEMI | | 1 | 252 | 2671 (1)| 00:00:33 | | |
|* 6 | HASH JOIN SEMI | | 1 | 218 | 2667 (1)| 00:00:33 | | |
| 7 | PARTITION RANGE ALL | | 583 | 104K| 2035 (1)| 00:00:25 | 1 | 731 |
| 8 | TABLE ACCESS BY LOCAL INDEX ROWID | TBLCDR | 583 | 104K| 2035 (1)| 00:00:25 | 1 | 731 |
|* 9 | INDEX RANGE SCAN | IDX_ACCOUNTID_TBLCDR | 605 | | 1466 (1)| 00:00:18 | 1 | 731 |
|* 10 | TABLE ACCESS FULL | TBLTCUSTOMERPACKAGEHISTORY | 94160 | 3218K| 630 (2)| 00:00:08 | | |
|* 11 | TABLE ACCESS BY INDEX ROWID | TBLMCUSTOMERUSAGEDETAIL | 1 | 34 | 4 (0)| 00:00:01 | | |
|* 12 | INDEX RANGE SCAN | IDX_CUSTOMERID | 3 | | 2 (0)| 00:00:01 | | |
| 13 | HASH GROUP BY | | 1 | 293 | 2669 (1)| 00:00:33 | | |
| 14 | NESTED LOOPS SEMI | | 1 | 293 | 2667 (1)| 00:00:32 | | |
| 15 | NESTED LOOPS | | 1 | 259 | 2663 (1)| 00:00:32 | | |
| 16 | MERGE JOIN CARTESIAN | | 1 | 76 | 630 (2)| 00:00:08 | | |
| 17 | VIEW | index$_join$_006 | 1 | 41 | 1 (100)| 00:00:01 | | |
|* 18 | HASH JOIN | | | | | | | |
| 19 | INDEX FAST FULL SCAN | IDX_PREFIX | 1 | 41 | 0 (0)| 00:00:01 | | |
| 20 | INDEX FAST FULL SCAN | PK_DESTINATION | 1 | 41 | 0 (0)| 00:00:01 | | |
| 21 | BUFFER SORT | | 94160 | 3218K| 630 (2)| 00:00:08 | | |
| 22 | SORT UNIQUE | | 94160 | 3218K| 630 (2)| 00:00:08 | | |
|* 23 | TABLE ACCESS FULL | TBLTCUSTOMERPACKAGEHISTORY | 94160 | 3218K| 630 (2)| 00:00:08 | | |
| 24 | PARTITION RANGE ALL | | 1 | 183 | 2032 (1)| 00:00:25 | 1 | 731 |
|* 25 | TABLE ACCESS BY LOCAL INDEX ROWID | TBLCDR | 1 | 183 | 2032 (1)| 00:00:25 | 1 | 731 |
|* 26 | INDEX RANGE SCAN | IDX_CUSTOEMRID | 605 | | 1463 (1)| 00:00:18 | 1 | 731 |
|* 27 | TABLE ACCESS BY INDEX ROWID | TBLMCUSTOMERUSAGEDETAIL | 1 | 34 | 4 (0)| 00:00:01 | | |
|* 28 | INDEX RANGE SCAN | IDX_CUSTOMERID | 3 | | 2 (0)| 00:00:01 | | |
| 29 | HASH GROUP BY | | 1 | 381 | 2677 (1)| 00:00:33 | | |
|* 30 | FILTER | | | | | | | |
| 31 | NESTED LOOPS ANTI | | 1 | 381 | 2671 (1)| 00:00:33 | | |
|* 32 | HASH JOIN SEMI | | 1 | 347 | 2667 (1)| 00:00:33 | | |
| 33 | PARTITION RANGE ALL | | 583 | 177K| 2035 (1)| 00:00:25 | 1 | 731 |
| 34 | TABLE ACCESS BY LOCAL INDEX ROWID| TBLCDR | 583 | 177K| 2035 (1)| 00:00:25 | 1 | 731 |
|* 35 | INDEX RANGE SCAN | IDX_ACCOUNTID_TBLCDR | 605 | | 1466 (1)| 00:00:18 | 1 | 731 |
|* 36 | TABLE ACCESS FULL | TBLTCUSTOMERPACKAGEHISTORY | 94160 | 3218K| 630 (2)| 00:00:08 | | |
|* 37 | TABLE ACCESS BY INDEX ROWID | TBLMCUSTOMERUSAGEDETAIL | 1 | 34 | 4 (0)| 00:00:01 | | |
|* 38 | INDEX RANGE SCAN | IDX_CUSTOMERID | 3 | | 2 (0)| 00:00:01 | | |
| 39 | NESTED LOOPS | | 1 | 69 | 4 (0)| 00:00:01 | | |
| 40 | TABLE ACCESS BY INDEX ROWID | TBLMDESTINATION | 1 | 41 | 0 (0)| 00:00:01 | | |
|* 41 | INDEX UNIQUE SCAN | PK_DESTINATION | 1 | | 0 (0)| 00:00:01 | | |
|* 42 | TABLE ACCESS BY INDEX ROWID | TBLMCUSTOMERUSAGEDETAIL | 1 | 28 | 4 (0)| 00:00:01 | | |
|* 43 | INDEX RANGE SCAN | IDX_CUSTOMERID | 3 | | 2 (0)| 00:00:01 | | |
-----------------------------------------------------------------------------------------------------------------------------------------

Similar Messages

Understanding the AWR report

Hello,
Just to start off on the right path I would like you to know that I am a Java developer trying to understand the AWR report. To give a quick overview of my problem :
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I am sure I am not sending in 2 billion requests from the LoadTest env that I have developed but the AWR report says so. I want to know if there is a possible reason for this behavior. The stuck threads start occurring on the Weblogic server after 30 mins I start the test. Below is the exception I got on weblogic just in case it helps
2014-10-06 19:26:04,960[[STUCK] ExecuteThread: '1' for queue: 'weblogic.kernel.Default (self-tuning)']ERROR DAOUtil -- DAOUtil@SQLException > weblogic.jdbc.extensions.ConnectionDeadSQLException: weblogic.common.resourcepool.ResourceDeadException: Could not create pool connection. The DBMS driver exception was: Closed Connection
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    at weblogic.jdbc.jts.Driver.getNonTxConnection(Driver.java:642)
    at weblogic.jdbc.jts.Driver.connect(Driver.java:124)
    at weblogic.jdbc.common.internal.RmiDataSource.getConnection(RmiDataSource.java:338)
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Sameer.

Hello,
Just to start off on the right path I would like you to know that I am a Java developer trying to understand the AWR report. To give a quick overview of my problem :
I have built a load test framework using JMeter and trying to send SOAP requests to my weblogic server. Each of these requests are getting converted multiple Insert, Update and Merge statements and getting executed on the Oracle 10g productions grade DB server. When I run the AWR report, under the "SQL ordered by Executions (Global)" I see statements that have run for 2 billion times. The JDBC connection to the database is configured to have a maximum of 40 connections and I do not see all of them being used up. The issue now is I am NOT generating that kind of load yet. I am creating around 15000 SOAP requests in an hour and I am expecting around 1million records to hit the database. The test runs fine for a couple of hours and then the server starts failing because the database is not responding back properly. When I run the statistics query on tables "gv$session s, gv$sqlarea t, gv$process p" to get the pending sessions in the database I have seen anywhere between 30 - 62 pending sessions with a activity time of more than 300 minutes.
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    at weblogic.jdbc.pool.Driver.connect(Driver.java:160)
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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
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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
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Time Model Statistics
No data exists for this section of the report.
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Operating System Statistics
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Operating System Statistics - Detail
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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
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Foreground Wait Events
No data exists for this section of the report.
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Background Wait Events
No data exists for this section of the report.
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Wait Event Histogram
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Wait Event Histogram Detail (64 msec to 2 sec)
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Wait Event Histogram Detail (4 sec to 2 min)
No data exists for this section of the report.
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Wait Event Histogram Detail (4 min to 1 hr)
No data exists for this section of the report.
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Service Statistics
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Service Wait Class Stats
No data exists for this section of the report.
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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
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SQL ordered by Elapsed Time
No data exists for this section of the report.
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SQL ordered by CPU Time
No data exists for this section of the report.
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SQL ordered by User I/O Wait Time
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SQL ordered by Gets
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SQL ordered by Reads
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SQL ordered by Physical Reads (UnOptimized)
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SQL ordered by Executions
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SQL ordered by Parse Calls
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SQL ordered by Sharable Memory
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SQL ordered by Version Count
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Complete List of SQL Text
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Instance Activity Statistics
Instance Activity Stats
Instance Activity Stats - Absolute Values
Instance Activity Stats - Thread Activity
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Instance Activity Stats
No data exists for this section of the report.
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Instance Activity Stats - Absolute Values
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Instance Activity Stats - Thread Activity
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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
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IOStat by Function summary
No data exists for this section of the report.
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IOStat by Filetype summary
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IOStat by Function/Filetype summary
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Tablespace IO Stats
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File IO Stats
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Buffer Pool Statistics
Buffer Pool Statistics
Checkpoint Activity
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Buffer Pool Statistics
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Checkpoint Activity
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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
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Instance Recovery Stats
No data exists for this section of the report.
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MTTR Advisory
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Buffer Pool Advisory
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PGA Aggr Summary
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PGA Aggr Target Stats
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PGA Aggr Target Histogram
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PGA Memory Advisory
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Shared Pool Advisory
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SGA Target Advisory
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Streams Pool Advisory
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Java Pool Advisory
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Wait Statistics
Buffer Wait Statistics
Enqueue Activity
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Buffer Wait Statistics
No data exists for this section of the report.
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Enqueue Activity
No data exists for this section of the report.
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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.
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Undo Segment Stats
No data exists for this section of the report.
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Latch Statistics
Latch Activity
Latch Sleep Breakdown
Latch Miss Sources
Mutex Sleep Summary
Parent Latch Statistics
Child Latch Statistics
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Latch Activity
No data exists for this section of the report.
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Latch Sleep Breakdown
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Latch Miss Sources
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Mutex Sleep Summary
No data exists for this section of the report.
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Parent Latch Statistics
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Child Latch Statistics
No data exists for this section of the report.
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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
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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
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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
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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
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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
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Segments by Optimized Reads
No data exists for this section of the report.
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Segments by Direct Physical Reads
No data exists for this section of the report.
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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
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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
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Segments by Direct Physical Writes
No data exists for this section of the report.
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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
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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
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Segments by Row Lock Waits
No data exists for this section of the report.
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Segments by ITL Waits
No data exists for this section of the report.
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Segments by Buffer Busy Waits
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Dictionary Cache Stats
No data exists for this section of the report.
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Library Cache Activity
No data exists for this section of the report.
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Memory Statistics
Memory Dynamic Components
Memory Resize Operations Summary
Memory Resize Ops
Process Memory Summary
SGA Memory Summary
SGA breakdown difference
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Memory Dynamic Components
No data exists for this section of the report.
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Memory Resize Operations Summary
No data exists for this section of the report.
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Memory Resize Ops
No data exists for this section of the report.
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Process Memory Summary
No data exists for this section of the report.
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SGA breakdown difference
No data exists for this section of the report.
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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
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Streams CPU/IO Usage
No data exists for this section of the report.
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Streams Capture
No data exists for this section of the report.
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Streams Capture Rate
No data exists for this section of the report.
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Streams Apply
No data exists for this section of the report.
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Streams Apply Rate
No data exists for this section of the report.
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Buffered Queues
No data exists for this section of the report.
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Buffered Queue Subscribers
No data exists for this section of the report.
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Rule Set
No data exists for this section of the report.
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Persistent Queues
No data exists for this section of the report.
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Persistent Queues Rate
No data exists for this section of the report.
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Persistent Queue Subscribers
No data exists for this section of the report.
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Resource Limit Stats
No data exists for this section of the report.
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Shared Server Statistics
Shared Servers Activity
Shared Servers Rates
Shared Servers Utilization
Shared Servers Common Queue
Shared Servers Dispatchers
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Shared Servers Activity
No data exists for this section of the report.
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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.

Need help on Awr Report

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
balvindar

In 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

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.

How to find problematic quries using AWR report

Hi All,
Somebody please help me how do I analyze the AWR report to find out problematic quires and the relevant recommendation for it.
It would be highly appreciable
Kind Regards
Shankar

if youre running AWR means you got enterprise edition with the diagnostic licence pack add on. Substantial investment even in a minimal cpu configuration.
Reason Im asking is your question is opened ended. Sure you can look at the top consuming SQL statement, but that not might be what needs tuning so you want to waste your time trying to fix things that arent broken?
Have you got a DBA on site?

Identify high workload from awr report

Hi All,
Yesterday, our well-tuned the batch ran very slowly. Most of jobs ran for 30 mins that usually cost 15-20mins. And the colletion of statistics took much longer than before.
After reading the awr report, I noticed that all top SQLs didn't belong to our batch. Most of them are MV refreshing and bitmap index building.
So I think it is this unexpected high workload who is the culprit of the bad performance. But I want to know which section of awr report can show this or let management accept it?
Best regards,
Leon

HI,
And I noticed the CPU section in awr looks like:
Host CPU (CPUs: 24 Cores: 12 Sockets: 6)
Load Average Begin Load Average End %User %System %WIO %Idle
1.07 2.22 73.4 8.8 0.9 17.8
Instance CPU
%Total CPU %Busy CPU %DB time waiting for CPU (Resource Manager)
67.9 82.7 0.0 It seems that CPU is not 100% busy. So can I say the workload is not CPU-bound?
My RAC is 11.1 and have 4 nodes. But the service I used for my batch just contains two nodes.
In light of this, does the CPUs:24 here mean the total CPUs for all 4 nodes or the CPUs for this service (2 nodes)?
Best regards,
Leon

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.

AWR report understanding document

Hi,
Could someone please provide me with a good link for understanding the AWR report.
Thanks.

See if these links help
http://www.oracle.com/technology/products/manageability/database/pdf/ow05/PS_S001_274001_106-1_FIN_v1.pdf
http://www.oracle.com/technology/obe/10gr2_db_vmware/manage/addm/addm.htm
MOS Doc 842884.1 - How To Understand AWR Report / Statspack Report
MOS Doc 744143.1 - Tuning performance on eBusiness suite (see section "How to interpret AWR or Statspack report ?")
HTH
Srini

Generate AWR report

Hi All,
DB - 10.2.0.4.0
I ned to generate AWR report for 30 minute time intervel. For expample, if I need to generate AWR report for the timmig 03:00 PM to 03:30 PM, DO I need to create snapshot manually at 3 pm and 3:30 pm.
exec dbms_workload_repository.create_snapshot(); at 03:00 PM
exec dbms_workload_repository.create_snapshot(); at 03:30 PM
Also, is there any way, if the current time is 01:00 pm and can we create snapshot for 03:00PM and 03:30 PM?
hare krishna

Hi Hare,
http://www.dba-oracle.com/oracle10g_tuning/t_generating_awr_report.htm
The final AWR report can be built by using the PL/SQL API provided in the dbms_workload_repository package.
Two procedures that generate AWR reports are awr_report_text and awr_report_html . These procedures generate the AWR report for the specified snapshot range in TEXT or HTML formats, respectively. The following script shows one way of retrieving the AWR text report for the particular snapshot range:
SELECT
output
FROM
TABLE
(dbms_workload_repository.awr_report_text
(37933856,1,2900,2911 )
If you want complete working scripts to generate AWR reports, I have them in the code depot of my Oracle Tuning book:
http://www.rampant-books.com/t_oracle_tuning_book.htm
Hope this helps . . .
Donald K. Burleson
Oracle Press author

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 to get AWR report in text format

Hi all,
Here we are getting AWR report in html format through OEM.I want to get AWR report in .txt format
Please help me
Thanks in advance

Hi
You can use the following scripts:
- ORACLE_HOME/rdbms/admin/awrrpt.sql
- ORACLE_HOME/rdbms/admin/awrrpti.sql
HTH
Chris

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.

Error While Generating AWR reports

Hi All,
I am new to Oracle 10g. Whenever I try to run the AWR report using awrrpt.sql script I am getting below error messages. I am running this script as SYS user. Please help to generate the AWR reports. Thanks for the help in advance.
Specify the Report Name
~~~~~~~~~~~~~~~~~~~~~~~
The default report file name is awrrpt_1_22128_22131.html. To use this name,
press <return> to continue, otherwise enter an alternative.
Enter value for report_name: awrrpt_test.html
Using the report name awrrpt_test.html
select output from table(dbms_workload_repository.awr_report_html( :dbid,
ERROR at line 1:
ORA-04063: package body "SYS.DBMS_SWRF_REPORT_INTERNAL" has errors
ORA-06508: PL/SQL: could not find program unit being called: "SYS.DBMS_SWRF_REPORT_INTERNAL"
ORA-06512: at "SYS.DBMS_WORKLOAD_REPOSITORY", line 309
ORA-06512: at line 1
Regards,
Nanaiah

Hi,
When i tried to compile below packages. It gave 'Warning: Package altered with compilation errors.' message for both.
DBMS_SWRF_REPORT_INTERNAL
DBMS_SWRF_INTERNAL
Again i came back to original position. Now again all 4 objects are in INVALID state. Please advice.
Regards

AWR Report tuning

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