Change the Execute Thread Count im weblogic9.2

Hi
I am trying to change the execute thread count in weblogic 9.2 but i am not able to find the location in weblogic Console to change it can any one help me

Hi,
In previous versions of WebLogic Server, processing was performed in multiple execute queues. Different classes of work were executed in different queues, based on priority and ordering requirements, and to avoid deadlocks. In addition to the default execute queue, weblogic.kernel.default, there were pre-configured queues dedicated to internal administrative traffic, such as weblogic.admin.HTTP and weblogic.admin.RMI. Now the Same thing is done using WorkManagers...
WebLogic Server, Version 8.1 implemented Execute Queues to handle thread management which allowed you to create thread-pools to determine how workload was handled. WebLogic Server still provides Execute Queues for backward compaitibility, primarily to facilitate application migration. However, new application development should utilize Work Managers to peform thread management more efficiently.
You can enable Execute Queues in the following ways:
* Using the command line option*
-Dweblogic.Use81StyleExecuteQueues=true
So in that Case ...*config.xml* entry will be like this:
<server>
<name>AdminServer</name>
<execute-queue>
<name>weblogic.kernel.Default</name>
<queue-length>256</queue-length>
</execute-queue>
<use81-style-execute-queues>true</use81-style-execute-queues>
<listen-port>7001</listen-port>
<web-server>
<web-server-log>
<file-name>../../logs/admin_access.log</file-name>
</web-server-log>
</web-server>
<listen-address>aaa.bbb.com</listen-address>
</server>
for more detailed Information Please refer to:
http://download.oracle.com/docs/cd/E11035_01/wls100/config_wls/self_tuned.html
Edited by: Jay SenSharma on Jan 20, 2010 3:42 PM

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How do you modify the default Execute thread count in Weblogic Server 9.2?

How do you modify the default Execute thread count in Weblogic Server 9.2?
How can you tune the starting number of weblogic.ExecuteThread on server startup and/or set minimum number?
Is there an option from the console?
Please let me know.
Thanks

Self tuning will automatically manage the threads but however you can still control the min and max by adding the min and max values for each instance either directly adding in config.xml or through JVM settings
1) Modifying the config.xml
Just add the following line(s) to each server definition :
<server>
<name>AdminServer</name>
<self-tuning-thread-pool-size-min>100</self-tuning-thread-pool-size-min>
<self-tuning-thread-pool-size-max>200</self-tuning-thread-pool-size-max>
</server>
2) Adding some JVM parameters
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add the following option in your command line : -Dweblogic.threadpool.MinPoolSize=100
Regards
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Query Regarding Execute Thread Count

Hi,
My understanding of Execute Thread Count is the threads which are assigned to service
requests coming to Weblogic Server.
In our current architecture a request for generating report is directed to EJB method
which makes a call to another Server (Report Server for executing reports), the report
Server in turn calls the EJB residing on Weblogic Server for getting the data.
So, is my assumption correct that with our current architecture we are limited to
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I also read from the postings that Weblogic takes some of the threads, so it actually
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Hi,
Thanks very much for the suggestion. I tried, and it is using 2 Execute Threads.
Thanks
Rashmi
"Dave Martin" <[email protected]> wrote:
>
Rashmi:
If you are interested in answering the question rigorously, why not just
throw a
fake exception along both the report generation path and the runReport method
of
the ReportServer, then record their stack traces to a file for comparison?
From the sounds of it, your app wants to make the actual report generation
asynchronous
from the post of the reporting request. If they're really asynchronous,
then your
ReportServer must have some kind of blocking queue that will "wake up" when
it has
work to be done. Depending on how you implemented this, your runReport
method may
not be running a WebLogic execute thread at all.
Seems to me that you should be thinking of this as consuming one execute
thread regardless.
Even if the two pieces of work are asynchronous, the first thread finished
its work
at the point that it posts to the second thread (at least, per your description).
So at any one time, at max one execute thread is being consumed per request.
But capture the stack traces and have a look for yourself.
Dave Martin
"Rashmi S" <[email protected]> wrote:
Hi,
Thanks for your reply.The reason why I say 2 threads will be consumed is
as follows
1. First execute thread will be used for the request to Weblogic Server
to run the
report originating from a client.
2. Now, within the ReportServices EJB there is a call to Report Serverto
run the
report. The running of report is done on the Report Server which is ona
separate
m/c. Within the runReport method of the Report Server ,the data is fetched
for the
report by making a context look-up of another session EJB which fetches
the data.
So, the second Execute thread will be consumed for executing the EJB that
fetches
the data.
Am I correct?
Thanks and Regards
Rashmi
"Cameron Purdy" <[email protected]> wrote:
Incoming requests (from outside the server) use one thread for the duration
of their processing. Previous to their processing they are queued until
a
thread is available. So you would use one thead per concurrent request,
not
two. Otherwise, it sounds right.
Peace,
Cameron Purdy
Tangosol, Inc.
Clustering Weblogic? You're either using Coherence, or you should be!
Download a Tangosol Coherence eval today at http://www.tangosol.com/
"Rashmi S" <[email protected]> wrote in message
news:[email protected]...
Hi,
My understanding of Execute Thread Count is the threads which are assignedto service
requests coming to Weblogic Server.
In our current architecture a request for generating report is directedto EJB method
which makes a call to another Server (Report Server for executingreports), the report
Server in turn calls the EJB residing on Weblogic Server for getting
the
data.
So, is my assumption correct that with our current architecture we arelimited to
concurrency of Execute Thread Count -1. (Every request for report willconsume 2
Excute threads, and others will have to wait till the first request
gets
completed
and 2 threads are freed).
I also read from the postings that Weblogic takes some of the threads,so
it actually
will be limited to (Execute thread count - Weblogic Held- 1).
Please corect me if I am wrong.
Thanks and Regards
Rashmi

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No worries about this post, the reason has been solved.
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Hi,
I was trying to increase the Min number of executable threads using the following startup argument
"set USER_MEM_ARGS=-Dweblogic.threadpool.MinPoolSize=30" in startWeblogic.cmd. But doing so haven't increased the "execute thread total count" to the desired number when I verified it in console.
Kindly help me to configure this.
PS: Changing the configuration file (config.xml) is not recommended.
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Coming back to your original question:
"I was trying to increase the Min number of executable threads using the following startup argument "set USER_MEM_ARGS=-Dweblogic.threadpool.MinPoolSize=30" in startWeblogic.cmd. But doing so haven't increased the "execute thread total count" to the desired number when I verified it in console."
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@REM *************************************************************************
set WL_HOME=C:\bea\wlserver_10.3
for %%i in ("%WL_HOME%") do set WL_HOME=%%~fsi
set BEA_JAVA_HOME=C:\bea\jrockit_160_24_D1.1.2-4
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Where we can know about the stuck threads without taking thread dump.

Hi Everyone,
Where we can View/know about the stuck threads without taking thread dump.
Thank You

Hi!
WebLogic Server diagnoses a thread as stuck if it is continually working (not idle) for a set period of time. You can tune stuck threads in the Weblogic Server.
You can tune a server’s thread detection behavior by changing the length of time before a thread is diagnosed as stuck, and by changing the frequency with which the server checks for stuck threads.
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- Shut down the application if there are stuck threads in the application. The application is shutdown by bringing it into ADMIN mode. All Work Managers belonging to the application are shut down, and behave as described above.
- Mark the server instance as failed and shut it down it down if there are stuck threads in the server. In a cluster, clustered clients that are connected or attempting to connect will fail over to another cluster member.
You can configure the "ServerFailureTriggerMBean" in the "OverloadProtectionMBean".
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http://download.oracle.com/docs/cd/E12839_01/apirefs.1111/e13945/weblogic/management/configuration/ServerFailureTriggerMBean.html
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0
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java.lang.Integer.MAX_VALUE
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http://download.oracle.com/docs/cd/E11035_01/wls100/javadocs_mhome/weblogic/management/configuration/OverloadProtectionMBean.html
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If you start the managed servers using node manager, you can enable "Auto Kill if Failed" and "Auto Restart" in the Admin console, under Servers-> configuration->Health Monitoring. Node Manager will take care of restarting the managed server if you enable "Auto Restart".
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Suppose if you set the value of the Stuck Thread Count to 20, The server will be transitioned to failed state once the count reaches 20 and if you enable the Failure Action, the server self-health monitoring detects fatal failures and mark the server as failed.
Depending on how you are starting the servers (custom scripts or Node Manager or startup scripts,...), you can restart the servers.
For more details on this please refer to below link:
http://www.oracle.com/technetwork/articles/entarch/workload-management-088692.html
Hope this helps.
Thanks,
Cris

Thread count tuning

Hi!
We are running a weblogic 5.1 server for jsp/servlet/ejb behind an apache web
server, via the wls/apache bridge. As the number of users increased we expereienced
slow response times. We checked thread dumps from peak hours and saw that all
servlet threads were busy writing to network sockets. Still, if we check the internet
line usage, we are not using up all our bandwith.
We've managed to solve this by adding more threads to our wls server (36 servlet
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If you are doing traditional-style HTTP, then typically you can support many thousands of users with just a few threads. For example, our SPECjAppServ er submissions use about 40 threads to handle 4000 clients. It all depends on how many requests each client actually makes per second, and how long each request takes. If the clients are idle for long periods of time, you could handle 10s of thousands with just a few threads.
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Re:execute thread

can any one tell me what is the diff between the execute thread total count and active thread and execute idle thread count in wblogic
Thanks
Gopi

Hi,
Please let us know if anything specific you wanted to know...
ExecuteThreadIdleCount
The number of idle threads in the pool. This count does not include standby threads and stuck threads. The count indicates threads that are ready to pick up new work when it arrives.
ExecuteThreadTotalCount
The total number of threads in the pool.
ActiveThreadCount
An array of the threads currently processing work in the active thread pool.
Thanks
Jay SenSharma
Edited by: Jay SenSharma on Jan 26, 2010 10:16 PM

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Best Regard,
Jim

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Change the Execute Thread Count im weblogic9.2

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