Configuring JVM settings for a the WebSphere SIP proxy server

Configure JVM settings for the IBM® WebSphere® SIP proxy server deployed in front of a cluster of Sametime® Gateway servers.

Procedure

1. On the SIP proxy server, log in to the WebSphere Integrated Solutions Console as the WebSphere administrator.
2. Click Servers > Server Types > WebSphere proxy servers > SIPProxyServer.
3. Configure settings by completing the following steps:
   1. Select a proxy server by clicking it in the list.
   2. in the Server Infrastructure section, click Java and Process management > Process Definition.
   3. In the Additional Properties section, click Java Virtual Machine.
   4. In the Initial Heap Size field, enter 600.
   5. In the Maximum Heap Size field, enter 600.
   6. In the Generic JVM arguments field, enter the following value as one continuous line :

      -Xmn150m -Xgcpolicy:gencon -Xgc:noAdaptiveTenure,tenureAge=8,
      stdGlobalCompactToSatisfyAllocate -Xtgc:parallel

   7. Click OK, and click Save to save changes to the master configuration.
4. Repeat step 3 for every SIP proxy server.