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  1. Apache HAWQ
  2. HAWQ-1760

datalocality information should be showed by default

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 2.4.0.0
    • backlog
    • Core
    • None

    Description

      The datalocality information should be showed so as to help analysis query performance.

      $ cat src/backend/cdb/cdbdatalocality.c
      
          /* print data locality result*/
          elog(
                  DEBUG1, "data locality ratio: %.3f; virtual segment number: %d; "
                  "different host number: %d; virtual segment number per host(avg/min/max): (%d/%d/%d); "
                  "segment size(avg/min/max): (%.3f B/"INT64_FORMAT" B/"INT64_FORMAT" B); "
                  "segment size with penalty(avg/min/max): (%.3f B/"INT64_FORMAT" B/"INT64_FORMAT" B); continuity(avg/min/max): (%.3f/%.3f/%.3f)."
      

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              huor Ruilong Huo
              huor Ruilong Huo
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              Dates

                Created:
                Updated:
                Resolved: