Uploaded image for project: 'Core Server'
  1. Core Server
  2. SERVER-7425

distinct should run in parallel in a sharded cluster

XMLWordPrintableJSON

    • Type: Icon: Improvement Improvement
    • Resolution: Unresolved
    • Priority: Icon: Minor - P4 Minor - P4
    • None
    • Affects Version/s: 2.2.0
    • Component/s: Querying
    • Labels:
      None
    • Query Execution

      It looks like the code for distinct in the mongos runs the command against the shards in series, rather than in parallel. It ought to be a win to run that one with a parallel cursor.

            Assignee:
            backlog-query-execution [DO NOT USE] Backlog - Query Execution
            Reporter:
            richard.kreuter Richard Kreuter (Inactive)
            Votes:
            0 Vote for this issue
            Watchers:
            7 Start watching this issue

              Created:
              Updated: