listDatabases is very slow on wiredtiger primary

XMLWordPrintableJSON

    • Type: Bug
    • Resolution: Done
    • Priority: Major - P3
    • 2.8.0-rc3
    • Affects Version/s: 2.8.0-rc1
    • Component/s: Storage
    • Fully Compatible
    • ALL
    • None
    • 3
    • None
    • None
    • None
    • None
    • None
    • None
    • None

      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.

        1. testListDatabases.js
          0.5 kB

              Assignee:
              Matt Kangas (Inactive)
              Reporter:
              Cailin Nelson (Inactive)
              Votes:
              0 Vote for this issue
              Watchers:
              16 Start watching this issue

                Created:
                Updated:
                Resolved: