Configuring JVM settings for the SIP Edge Proxy cluster

Configure Java™ Virtual Machine settings for the IBM® WebSphere® proxy server operating in front of a cluster of SIP Proxy Registrar components.

About this task

With these settings, the operating system allocates 3G memory for the WebSphere SIP proxy server. Therefore, make sure that the machine running the WebSphere SIP proxy server has enough RAM.

Procedure

  1. On the WebSphere proxy server, log in to the Integrated Solutions Console as the WebSphere administrator.
  2. Click Servers > Server Types > WebSphere proxy servers.
  3. In the proxy servers table, click the name of the proxy server you are updating.
  4. In the Server Infrastructure section, click Java and Process management > Process Definition.
  5. In the Additional Properties section, click Java Virtual Machine.
  6. In the Initial Heap Size field, enter 1024.
  7. In the Maximum Heap Size field, enter 1024.
  8. In the Generic JVM arguments field, enter the following value as one continuous line:
    -Xmn150m -Xgcpolicy:gencon -Xgc:noAdaptiveTenure,tenureAge=1,stdGlobalCompactToSatisfyAllocate -XX:MaxDirectMemorySize=2048000000
    Important: The Generic JVM arguments must be entered as a single continuous line, despite the fact that it might have been broken into several lines due to documentation formatting limitations.
  9. Click OK.
  10. Save the changes to the master configuration by clicking the Save link in the "Messages" box at the beginning of the page.
  11. Restart the WebSphere proxy server.
  12. If you deployed more than one WebSphere proxy server in front of the cluster, repeat this task for the other proxy servers.