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  1. IMPALA
  2. IMPALA-5762

lower query throughput on buffer pool dev branch versus master

Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Invalid
    • Product Backlog
    • Product Backlog
    • None
    • None
    • ghx-label-2

    Description

      Running TPC-DS queries with concurrency of 80 on 1TB scale on a 7 node cluster I'm seeing average throughput of 596 queries per hour on the buffer pool branch versus 681 queries per hour on master. Need to investigate further to figure out why.

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          mmulder Matthew Mulder added a comment -

          It turns out that the buffer-pool build was getting worse throughput because it would run the very long queries through to completion much more often than master.

          mmulder Matthew Mulder added a comment - It turns out that the buffer-pool build was getting worse throughput because it would run the very long queries through to completion much more often than master.

          People

            mmulder Matthew Mulder
            mmulder Matthew Mulder
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            Dates

              Created:
              Updated:
              Resolved: