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  1. Core Server
  2. SERVER-16353

listDatabases is very slow on wiredtiger primary

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Details

    • Bug
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • 2.8.0-rc1
    • 2.8.0-rc3
    • Storage
    • Fully Compatible
    • ALL

    Description

      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.

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              matt.kangas Matt Kangas
              cailin.nelson@mongodb.com Cailin Nelson
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                Updated:
                Resolved: