Configuring the mediation thread pool

Use this task to configure the mediation thread pool.

Before you begin

The wsadmin tool must be running. For more information, see Starting the wsadmin scripting client using wsadmin scripting.

About this task

You configure the mediation thread pool if you want to change the number of threads used when running mediations concurrently. The maximum size of the thread pool determines the maximum number of messages that can be mediated concurrently for a messaging engine.

The mediations thread pool, attribute name mediationsThreadPool, is an attribute of the messaging engine. By default, mediationsThreadPool does not exist, and a default thread pool is created and used at run time. In this task, use the wsadmin tool to create a thread pool object, and then modify its properties using JACL, as shown in the examples below:

[IBM i] Note: You use the wsadmin tool from within Qshell. For more information, see Configuring Qshell to run WebSphere scripts using wsadmin scripting.

Procedure

  1. Use this example to create a mediationThreadPool object:
    AdminConfig.create("ThreadPool" , messagingEngine, 
                       [["name" , "stitch.server1-bus2-mediationThreadPool"]] , 
                       "mediationThreadPool")
    Tip: In this case, the thread pool name is based on the name of the messaging engine. Although it is not required to do this, it makes it easier to find the thread pool name when using Performance Monitoring Infrastructure (PMI).
  2. Use this example to modify a mediationThreadPool object:
    AdminConfig.modify(AdminConfig.showAttribute(messagingEngine, 
      "mediationThreadPool"), [["maximumSize" , "10"]])
    maximumSize can contain any of the mediationsThreadPool properties. To add additional parameters, insert [attribute_name attribute_value] within the outer brackets ([]).
    Tip: There is a space between attribute_name and attribute_value.
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Last updated: April 18, 2014 05:01 AM CDT
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