Work with thread pool properties files

We can use properties files to create or change Message Listener Service thread pool properties under a server.

Determine the changes to make to the thread pool configuration or its configuration objects.

From the server profile bin directory, run wsadmin -lang jython

Using a properties file, we can create, modify, or delete a thread pool object and its configuration properties.

Run administrative commands using wsadmin to create or change a properties file for a thread pool, validate the properties, and apply them to the configuration.

Service thread pool properties files. We can create,

Action	Procedure
create	Set properties and then run the applyConfigProperties command.
modify	Edit properties and then run the applyConfigProperties command.
delete	Uncomment #DELETE=true and run the deleteConfigProperties command.
create Property	Not applicable
delete Property	Not applicable

Optionally, we can use interactive mode with the commands:

AdminTask.command_name('-interactive')

• Create a thread pool and its properties.

  1. Create ThreadPool properties in a properties file.

     Open an editor and specify thread pool properties. We can copy the following example properties into an editor and modify the properties as needed for the situation. The example defines a thread pool under the MessageListenerService under a server.

     #
     # SubSection 1.0.1 # MessageListenerService ThreadPool
     #
     ResourceType=ThreadPool
     ImplementingResourceType=GenericType
     ResourceId=Cell=!{cellName}:Node=!{nodeName}:Server=!{serverName}:ApplicationServer=:EJBContainer=:MessageListenerService=:ThreadPool=
     AttributeInfo=threadPool
     #
      #
     #Properties
     #
     maximumSize=50 #integer, required,default(5)
     name=Message.Listener.Pool
     minimumSize=10 #integer, required,default(1)
     inactivityTimeout=3500 #integer, required,default(5000)
     description=null
     isGrowable=false #boolean,default(false)
      EnvironmentVariablesSection
      #Environment Variables
     cellName=WASCell06
     serverName=myServer
     nodeName=WASNode04

  2. Run the applyConfigProperties command to create a thread pool configuration.

     Running the applyConfigProperties command applies the properties file to the configuration. In this Jython example, the optional -reportFileName parameter produces a report named report.txt:

     AdminTask.applyConfigProperties(['-propertiesFileName myObjectType.props -reportFileName report.txt'])

• Modify an existing thread pool.

  1. Obtain a properties file for the thread pool to change.

     We can extract a properties file for a ThreadPool object using the extractConfigProperties command.

  2. Open the properties file in an editor and change the properties as needed.

     Ensure that the environment variables in the properties file match the system.

  3. Run the applyConfigProperties command to change a thread pool configuration.

• If we no longer need a thread pool, we can delete the entire thread pool object.

  To delete the entire object, specify DELETE=true in the header section of the properties file and run the deleteConfigProperties command; for example:

  AdminTask.deleteConfigProperties('[-propertiesFileName myObjectType.props -reportFileName report.txt]')

Results

We can use the properties file to configure and manage the thread pool.

What to do next

Save the changes to the configuration.

Related tasks

Extracting properties files

Create server, cluster, application, or authorization group objects using properties files and wsadmin scripting

Delete server, cluster, application, or authorization group objects using properties files

PropertiesBasedConfiguration (AdminTask)