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Comment: Published by Scroll Versions from space FUNCTDEV and version SOAVIRT_9.10.8_CTP_3.1.4

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Info

Adjusting the Worker Count

Each worker creates its own connection to the JMS provider. Whenever a proxy is deployed/redeployed with a worker count that is higher than the default value of 1, you should see messages like "Started x listener(s)" in the Console (where x is the number of workers configured).

Increasing the worker count can help performance under concurrency. The entire message processing chain of the proxy is parallelized, so each worker thread will do message correlations, response message generation, etc. in parallel with other threads. However, beware that if you provide a high worker count, deploying/undeploying/redeploying a proxy will take longer because there are more connections to create/destroy. Also, it is possible that the JMS provider has a limit on how many concurrent connections to allow. You should not exceed what is configured/allowed by your infrastructure.

The worker count feature is equivalent to the “maxThreads” attribute in Tomcat server.xml.

To adjust the server.xml file:

  1. Launch Virtualize and ensure that at least one responder has been created
  2. Modify the server.xml file at [SOAtest install dir]/eclipse/plugins/com.parasoft.xtest.libs.web_[SOAtest_ver]/root/tomcat/conf/server.xml
When using a high number of concurrent virtual users (i.e., during a load test), you can usually expect better performance by increasing these values.

Using Global JMS Connections
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Using Global JMS Connections
Using Global JMS Connections

Global JMS settings that apply across a specific SOAtest and Virtualize server can be defined at the server level and referenced in these settings. See Connections Tab for details.

To use a global JMS connection, select it from the appropriate Queue or Topic box.



To review the details of a predefined global connection, click View settings.

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