2130195 - **ERROR (:0): OutOfMemoryError: Could not allocate 23685694 bytes java.lang.OutOfMemoryError: Java heap space - SMP Agentry | SAP Knowledge Base Article

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2130195 - **ERROR (:0): OutOfMemoryError: Could not allocate 23685694 bytes java.lang.OutOfMemoryError: Java heap space - SMP Agentry

Symptom

  • When we deploy an agentry application we get the error "GC overhead limit exceeded" error or the "Java heap space (failed to allocate X bytes) error
  • The current heap configuration is:
    -XX:+HeapDumpOnOutOfMemoryError
    -XX:+DisableExplicitGC
    -Xms3072M
    -Xmx4096M
    -XX:PermSize=512M
    -XX:MaxPermSize=1024M
  • We have 16Gb of ram in the server and 2 CPUs SMP3 SP5 SQL server 2012
  • During the publish we see an increase in heap memory usage (in the jconsole of the java.exe process) until it freezes and the process crashes
    • This seems to happen after a couple of deploys
    • The deploys go fine for a while then suddenly a bad deploy will happen and the error message appears, it is then not possible to do other deploys, these will end in GC overheap limit or Java Heap space error
    • When we restart the server we see the problems for the app with the broken deploy continue, while the other apps seem to work again after the restart

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Environment

SAP Mobile Platform 3.0 SP04

Product

SAP Mobile Platform 3.0

Keywords

"SMP 3.0 Agentry Cluster", "primary application service nodes", SMP 3.0, "Java Heap Space", "OutOfMemoryError: Could not allocate" , KBA , MOB-SYC-SAP , Syclo Mobility for SAP backend , MOB-SYC-IBM , Syclo Mobility for IBM backend , MOB-ONP-AGS , SAP Mobile On Premise Agentry Server , Problem

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