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  1. Apache Trafodion
  2. TRAFODION-2140

Add capability for incremental Update Statistics

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    Details

    • Type: New Feature
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.1-incubating
    • Component/s: None
    • Labels:
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      Description

      The IUS feature provides the ability to update existing histograms incrementally, rather than doing it all from scratch each time. A persistent sample table is used, which is modified at Update Stats time using a predicate to identify rows modified since the last IUS execution.

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            • Assignee:
              blfritch Barry Fritchman
              Reporter:
              blfritch Barry Fritchman
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              • Created:
                Updated:
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