Seeing increased memory usage by Oracle server oraclebmgrFCO processes for application migrated to EAP 6

Solution Unverified - Updated -

Issue

  • Application migrated from EAP 4 to EAP 6
  • Seeing increased memory usage by Oracle processes such as the following on the database server
[2] $ ps -aux --sort -rss | more
USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
oracle     558  0.0 20.1 4445980 3279692 ?     Ss   Dec03  18:07 oraclebmgrFCO (LOCAL=NO)
oracle     640  0.0 20.1 4445980 3277956 ?     Ss   Dec03  17:52 oraclebmgrFCO (LOCAL=NO)
oracle     616  0.0 20.1 4446016 3277404 ?     Ss   Dec03  17:36 oraclebmgrFCO (LOCAL=NO)
oracle     552  0.0 20.1 4445996 3272124 ?     Ss   Dec03  18:02 oraclebmgrFCO (LOCAL=NO)
oracle     602  0.0 20.1 4446000 3271824 ?     Ss   Dec03  17:38 oraclebmgrFCO (LOCAL=NO)
...

Environment

  • Red Hat JBoss Enterprise Application Platform (EAP) 6
  • Oracle

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