VMware vCenter memory usage issues – tomcat6

10 07 2010

So my vCenter was constantly alerting on memory usage, no matter how much memory I assigned to it. Looking in the process list “tomcat6” was using as much available memory as I fed it …. a little searching of the interwebs & I came across the following, which resolved the issues.

Update: as per http://deinoscloud.wordpress.com/2009/11/30/tomcat-for-vcenter-memory-tuning/ a couple of Jvm memory parameters are pre-set for the vcenter tomcat6 instance.

Removing the fixed-allocation settings in the registry seems to have the desired affect of keeping the tomcat6 memory usage to a more “normal” amount

Locate the following registry key, for either x64 or x86 systems

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Apache Software Foundation\Procrun 2.0\vctomcat\Parameters\Java

HKEY_LOCAL_MACHINE\SOFTWARE\Apache Software Foundation\Procrun 2.0\vctomcat\Parameters\Java

And set each value to 0x0 and restart the vCenter Webservices service

JvmMs = 0x0

JvmMx = 0x0

JvmSs = 0x0

via VMware Communities: vServer – tomcat6 memory usage HIGH ….

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