Sean's i/o Stream


CLM on RHEL 5/6 OutofMemory Issues before reaching max heap size

  • July 17, 2012
  •   category: ibm
  • tags: clm, ibm, ibm-jvm, java, jbm, large-heap, outofmemory, websphere

Have run into this at a few customers and was seeing this in one of my testing environments on RHEL 5.8.

Turns out that the system is not running out of memory, but more specifically that there is not that amount of memory in a contiguous block. To help here there is an additional JVM settings to specify where the heap starts, in this case above the first 4G.

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