RHEL-7.1 server (running Red Hat Satellite 6.0.8) keep crashing due to Out of Memory (OOM).

Solution Verified - Updated -

Issue

  • RHEL-7.1 server (running Red Hat Satellite 6.0.8) becomes unresponsive due to Out of Memory (OOM).
Sep  7 09:03:49 sat6 kernel: Out of memory: Kill process 26052 (rake) score 733 or sacrifice child
Sep  7 09:03:49 sat6 kernel: Killed process 26052 (rake) total-vm:20256000kB, anon-rss:14905604kB, file-rss:0kB
--
Sep  8 10:22:12 sat6 kernel: Out of memory: Kill process 17315 (rake) score 696 or sacrifice child
Sep  8 10:22:12 sat6 kernel: Killed process 17315 (rake) total-vm:19134248kB, anon-rss:13987548kB, file-rss:16kB
  • Why foreman-rake tasks consumes all of the physical memory and swap ?

Environment

  • Red Hat Enterprise Linux 7
  • Red Hat Satellite 6.0.8
  • foreman-rake

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