Workflow Performance Issue (Used with OWB10.2.0.3)

Hi
We have a problem which seems consistent among our process flows.
The process flow contains a fork then runs 3 or 4 mappings routing back to an "AND" activity.
each mapping completes in a matter of seconds but the duration of the AND activity is consistently around 2mins.
This in terms of our overall load elapsed times adds an overhead of at least 20-30 mins which is not acceptable really.
Can anyone shed any light on what the AND is doing in the background and what can be done to speed it up e.g. what might need purging (everything i've seen tends to relate to use with Oracle Apps)?
Kind Regards
Mark

Hi
I have the log file from the wfstat
snippet below if you want I could email you the full log but there does not appear to be anything else of note
**** Activity Statuses
Begin Date End Date Activity Status RESULT User NID Status Action
Performer
13-AUG-08 10:08:37 13-AUG-08 10:10:15 ROOT/SUPERSEDE_QUARANTINED_ITEMS COMPLETE OK
13-AUG-08 10:08:37 13-AUG-08 10:08:37 SUPERSEDE_QUARANTINED_ITEMS/START1 COMPLETE #NULL
13-AUG-08 10:08:37 13-AUG-08 10:08:37 SUPERSEDE_QUARANTINED_ITEMS/FORK COMPLETE #NULL
13-AUG-08 10:08:37 13-AUG-08 10:08:38 SUPERSEDE_QUARANTINED_ITEMS/SUPERSEDE_TRANSFE COMPLETE OK
R_DETAIL_UI
13-AUG-08 10:08:37 13-AUG-08 10:08:38 SUPERSEDE_QUARANTINED_ITEMS/SUPERSEDE_TRADE_H COMPLETE OK
EADER_UI
13-AUG-08 10:08:37 13-AUG-08 10:08:38 SUPERSEDE_QUARANTINED_ITEMS/SUPERSEDE_TRADE_D COMPLETE OK
ETAIL_UI
13-AUG-08 10:08:37 13-AUG-08 10:08:38 SUPERSEDE_QUARANTINED_ITEMS/SUPERSEDE_TRANSFE COMPLETE OK
R_HEADER_UI
13-AUG-08 10:08:38 13-AUG-08 10:10:15 SUPERSEDE_QUARANTINED_ITEMS/AND1 COMPLETE OK
13-AUG-08 10:10:15 13-AUG-08 10:10:15 SUPERSEDE_QUARANTINED_ITEMS/END_SUCCESS COMPLETE #NULL
9 rows selected.

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|   0 | SELECT STATEMENT   |      |    10 |    30 |   162   (3)| 00:00:02 |
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Plan hash value: 47235625
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|   0 | SELECT STATEMENT   |      |    10 |    30 |   162   (3)| 00:00:02 |
|   1 | HASH GROUP BY     |      |    10 |    30 |   162   (3)| 00:00:02 |
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PLAN_TABLE_OUTPUT
Plan hash value: 47235625
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补充：
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Edited by: zj511025 on 2010-11-5 上午2:10

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Anandhan.S Remember to 'mark or propose as answer' or 'vote as helpful' as appropriate.

I have done the below configuration in production servers. Still the problem exists.
System took around 13 hours+ to proceed to next approver. Suggest some ideas to increase workflow performance.
Decreased DB server memory configuration
(Database server)
Maximum memory in SQL server reduced from
10GB to 8GB.
Increased Workflow throttle configurations
(Application & Web server)
PS C:\Windows\system32> stsadm -o getproperty -pn
workflow-eventdelivery-throttle <Property Exist="Yes" Value="150" />
(Default value is 15)
PS C:\Windows\system32> stsadm -o getproperty -pn
workitem-eventdelivery-batchsize <Property Exist="Yes" Value="150" />
(Default value is 100)
PS C:\Windows\system32> stsadm -o getproperty -pn
workflow-eventdelivery-timeout <Property Exist="Yes" Value="10" />
(Default value is 5)
PS C:\Windows\system32> stsadm -o getproperty -pn
job-workflow -url http://myweb:1333 <Property Exist="Yes" Value="Every 10 minutes between 0 and 30" />
(Default - Property Exists = “No”)
Site collection analytics
Sub-Site1: Total running workflow instances: 302
Sub-Site 2: Total running workflow instances: 58
Sub-Site 3: Total running workflow instances: 1234
Sub-Site 4: Total running workflow instances: 2
Sub-Site 5: Total running workflow instances: 2306
Sub-Site 6: Total running workflow instances: 512
Sub-Site 7: Total running workflow instances: 1631
Sub-Site 8: Total running workflow instances: 7
Sub-Site 9: Total running workflow instances: 38
Sum of workflow instances from all sites:
6090….
Farm configuration
Web server
Application Server
Database Server
Processor
Intel® Xeon® CPU E5-26670 0 @2.90GHz 2.89GHz
Intel® Xeon® CPU E5-26670 0 @2.90GHz 2.89GHz
Intel® Xeon® CPU E5-26670 0 @2.90GHz 2.89GHz
RAM
8 GB
8 GB
14 GB
OS
Windows Server 2008 R2 SP 1
Windows Server 2008 R2 SP 1
Windows Server 2008 R2 SP 1
Anandhan.S Remember to 'mark or propose as answer' or 'vote as helpful' as appropriate.

Performance issue using Universe with SNC connection

I had a dynamic dashboard using Live office > Webi report > Universe > Bex query which was working fine but we recently implemented SNC between Business Objects and SAP BW due to which the universe connection has been changed to use sign on connection. After changing the connection in the universe I am see a performance degradation refreshing the connections in xelsius dashboard. Earlier the connection refresh time was 6 sec now the refresh time is around 30 secs, Intersting thing is I have tryed refreshing the webi report the refresh time of the webi report did not change which is still less than 6 secs and I have also tryed refeshing the Live Office component directly in the design/spreedsheet mode of the xcelsius even here the refresh time remain same less than 6 secs.
The connection refresh time is bad only when I am in preview mode or if I deploy the swf to the business object server.
Xcelsius Version: 2008 (5.3)
BO Version: 3.1 sp2 fixpack 2.8
Thanks

Anup,
What will happen behind the screens when application restarts.
what are the otherways of achieving the same Behavior,like getting the application state to initial state.

Severe DML Performance Issue using Oracle RLS on 11.2.0.3

Hi Experts/Gurus,
We are trying to implement Oracle RLS in one our Corporate Application
Purpose of using RLS is to convert Single Company Application into Multiple Company Application
by adding COMPANY_ID Column and Index to make Application Multi-Company.
Each user would be allowed only to view/edit records from his own Company
RLS function we defined is very simple and static.
When we did some DML Tests using 8 parallel sessions, find DML Performance is
severely degraded (response time is twice our existing Application without RLS)
Top 5 Timed Foreground Events
Event Waits Time(s) Avg wait (ms) % DB time Wait Class
db file sequential read 1,312,910 6,197 5 43.08 User I/O DB CPU 2,976 20.69
library cache: mutex X 80,808 1,139 14 7.91 Concurrency
WCR: replay lock order 1,705 1,107 649 7.69 Application
gc current grant 2-way 309,886 550 2 3.83 Cluster
Would like to know why we encounter library cache: mutex X
Checked Mutex Sleep Summary section of AWR and it has following:
Mutex Sleep Summary
ordered by number of sleeps desc
Mutex Type Location Sleeps Wait Time (ms)
Library Cache kglpin1 4 26,849 0
Library Cache kglpnal2 91 25,230 0
Library Cache kglpndl1 95 21,382 0
Library Cache kglpnal1 90 12,823 0
Cursor Pin kksfbc [KKSCHLFSP2] 5,196 0
Would like to know how to interpret
each of the Library Cache entries such as kglpin1 4.
What does the keyword after Libary Cache (starting with kglpin mean)
Thanks in advance

Welcome to the forum!
Please see the FAQ #3 at the top of the thread list for how to post a tuning request and the information you need to provide
SQL and PL/SQL FAQ
>
We are trying to implement Oracle RLS in one our Corporate Application
Purpose of using RLS is to convert Single Company Application into Multiple Company Application
by adding COMPANY_ID Column and Index to make Application Multi-Company.
Each user would be allowed only to view/edit records from his own Company
RLS function we defined is very simple and static.
When we did some DML Tests using 8 parallel sessions, find DML Performance is
severely degraded (response time is twice our existing Application without RLS)
What does the keyword after Libary Cache (starting with kglpin mean)
>
The short answer is that those are pinned objects in the library cache.
The short question is why you are focusing on trivia instead of collecting, and posting, information that might shed some light on your problem?
Read the FAQ thread above and post the information needed.
Your RLS function may be 'very simple and static' but we can't see it. And we can't comment on what we can't see.
We also can't see:
1. your table or index DDL
2. the query you are using that you say is non-performant
3. any data about statistics and whether they are current
4. any data about row counts for the table, the (unknown) query predicates, the expected result set
5. any data about the query predicates
6. any execution plans for the query from the standard table and from the current table
7. any info about the RLS security you are using and how you implemented and configured it.

Workflow Performance Issue (Used with OWB10.2.0.3)

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