Expiration is slow in removing entries from memory and might cause OutOfMemoryError in RHDG 7.3

Solution Verified - Updated -

Issue

  • After update from a former version we have OutOfMemoryError
  • If there are a huge number of entries added which should expire after a short period, like 5..10 minutes, we see a increased memory use and possible OOM
  • Is there a change for Expiration Reaper as the RHDG 7.3 seems to consume more memory?

Environment

  • Red Hat Data Grid (RHDG)
    • 7.3

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