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  1. IMPALA
  2. IMPALA-2934 Statistics maintenance
  3. IMPALA-6131

Track time of last statistics update in metadata

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Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Implemented
    • None
    • Impala 3.1.0
    • Backend, Frontend
    • ghx-label-3

    Description

      Currently we (ab-)use transient_lastDdlTime to track the last update time of statistics. Instead we should introduce a separate counter to track the last update. With that we should also remove all occurrences of catalog_.updateLastDdlTime() from CatalogOpExecutor and fall back to Hive's default behavior.

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            csringhofer Csaba Ringhofer
            lv Lars Volker
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