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  1. Core Server
  2. SERVER-27588

Warning to disable defrag of transparent_hugepages when thp is disabled

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Minor - P4
    • Resolution: Fixed
    • Affects Version/s: 3.4.1
    • Fix Version/s: 4.0.3, 4.1.3
    • Component/s: Admin
    • Labels:
    • Environment:
      Red Hat Enterprise Linux Server release 7.2 (Maipo)
    • Backwards Compatibility:
      Fully Compatible
    • Operating System:
      ALL
    • Backport Requested:
      v4.0
    • Steps To Reproduce:
      Hide

      disable transparent hugepages and start mongod

      Show
      disable transparent hugepages and start mongod
    • Sprint:
      Platforms 2018-09-10
    • Case:

      Description

      A warning advising to disable defrag of transparent_hugepages is displayed even though transparent hugepages is disabled
      --------------------------------------------------------

        • WARNING: /sys/kernel/mm/transparent_hugepage/defrag is 'always'.
        • We suggest setting it to 'never'
          --------------------------------------------------------

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                • Created:
                  Updated:
                  Resolved: