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  1. Apache Drill
  2. DRILL-4462

Slow JOIN Query On Remote MongoDB

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    Details

    • Type: Bug
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: 1.5.0
    • Fix Version/s: None
    • Labels:
      None
    • Flags:
      Important

      Description

      Regardless of the number of collections in the MongoDB database, simple join query, like select * from t1, t2 where t1.a=t2.b is taking on and around 27 seconds from drill-embedded running on a single machine.
      Here are the profiles:
      https://drive.google.com/open?id=0B-J_8-KYz50mZ1NjSzlUUjR3Q0U
      https://drive.google.com/open?id=0B-J_8-KYz50mcTFpRmxKOWdfak0

      Screenshot of fragment profile has been attached.

        Attachments

        1. fragmentprof.PNG
          22 kB
          Rifat Mahmud

          Activity

            People

            • Assignee:
              Unassigned
              Reporter:
              rftmhmd@gmail.com Rifat Mahmud
            • Votes:
              1 Vote for this issue
              Watchers:
              3 Start watching this issue

              Dates

              • Created:
                Updated: