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You must always stop the server before changing config.xml. Any changes made to config.xml while the server is running will be lost. When the server stops, it writes a new copy of config.xml so it contains any configuration changes made while the server was running.

Configuring default thread pool

1. Stop the server.
2. Backup the server's <Geronimo_HOME>/var/config/config.xml file (where <Geronimo_HOME> is the installation directory) and then open the file in an editor.
3. Find the <module> tag for the org.apache.geronimo.framework/rmi-naming module and update the following <gbean> element inside the <module> element.

   Code Block
   XML XML borderStyle solid
   <gbean name="DefaultThreadPool"> <attribute name="keepAliveTime">30000</attribute> <attribute name="minPoolSize">${MinThreadPoolSize}</attribute> <attribute name="maxPoolSize">${MaxThreadPoolSize}</attribute> </gbean>

   Note that MinThreadPoolSize and MaxThreadPoolSize are defined in <Geronimo_HOME>/var/config/config-sbustitions.properties already, you can either change them in that file or replace them with new values in config.xml directly.

Configuring connector thread pool

1. Find the <module> tag for the org.apache.geronimo.configs/transaction module and insert the following <gbean> element inside the <module> element.

   Code Block
   XML XML borderStyle solid
   <gbean name="ConnectorThreadPool"> <attribute name="keepAliveTime">5000</attribute> <attribute name="minPoolSize">30</attribute> <attribute name="maxPoolSize">50</attribute> </gbean>

   Note that 30 and 50 are system defaults. You can change these 2 values to meet your need.
2. Save the updated config.xml.
3. Start the server.

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