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

      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: