listDatabases is very slow on wiredtiger primary

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    • Type: Bug
    • Resolution: Done
    • Priority: Major - P3
    • 2.8.0-rc3
    • Affects Version/s: 2.8.0-rc1
    • Component/s: Storage
    • Fully Compatible
    • ALL
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    • 3
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      On a process with 67 databases, the following takes approximately 2 seconds on a wiredTiger primary:

      db.runCommand({listDatabases:1});
      

      If I switch the primary to an mmapv1 node, the command returns within a few milliseconds.

              Assignee:
              Matt Kangas (Inactive)
              Reporter:
              Cailin Nelson (Inactive)
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                Created:
                Updated:
                Resolved: