[jboss-user] [Performance Tuning] - Re: Servers swapping memory

[Radoslav Husar]

Radoslav Husar [https://community.jboss.org/people/rhusar] created the discussion

"Re: Servers swapping memory"

To view the discussion, visit: https://community.jboss.org/message/795845#795845

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You have totally incorrectly configured JVMs!

The total memory usage of each JVM is 4 GB heap + 1.5 GB max perm (The -Xmx parameter refers to heap memory, whereas the permanent generation space is a separate memory allocation!) + other memory for threads, memory allocated through JNI, shared JVM stuff, etc. So each JVM is about 6 GB but system total memory is only 8 GB!

You need to fix the allocations for the system to be stable.
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