Uploaded image for project: 'WiredTiger'
  1. WiredTiger
  2. WT-9855

Memory not entirely used, switch on swap

    XMLWordPrintable

Details

    • Task
    • Status: Closed
    • Blocker - P1
    • Resolution: Duplicate
    • 4.0.5
    • None
    • wt-notfound
    • Red Hat Enterprise Linux Server release 7.6 (Maipo)

    Description

      Summary

      On a production 3 nodes mongodb replicaset we're observing that the db is using only 40% of the ram, then it uses the swap memory.

      Motivation

      • Does this affect any team outside of WT?  no
      • How likely is it that this use case or problem will occur? It has been a month so far.
      • If the problem does occur, what are the consequences and how severe are they? We're observing some severe slowness at application level.
      • Is this issue urgent? Yes, this is a production environment.

      Acceptance Criteria (Definition of Done)
      (When will this ticket be considered done? What is the acceptance criteria for this ticket to be closed?)

      • Testing
        We'd like to know if we need to set the cacheSize parameter and how to set it, actually it's not not set. How much should we set the value?
      • Documentation update. No

      [Optional] Suggested Solution

      no

      Attachments

        Issue Links

          Activity

            People

              Unassigned Unassigned
              desk@sorint.it Sorint Lab
              Votes:
              0 Vote for this issue
              Watchers:
              3 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: