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  1. IMPALA
  2. IMPALA-8691

Query hint for disabling data caching

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Details

    • Improvement
    • Status: Open
    • Major
    • Resolution: Unresolved
    • Impala 3.3.0
    • None
    • Backend
    • None
    • ghx-label-5

    Description

      IMPALA-8690 tracks the effort for a better eviction algorithm for the Impala's data cache. As a short term workaround, it would be nice to allow users to explicitly set certain tables as not cacheable via query hints or simply disable caching for a query via query options.

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          relates to

          Improvement - An improvement or enhancement to an existing feature or task. IMPALA-8341 Data cache for remote reads

          • Critical - Crashes, loss of data, severe memory leak.
          • Resolved

          Improvement - An improvement or enhancement to an existing feature or task. IMPALA-8690 Better eviction algorithm for data cache

          • Major - Major loss of function.
          • Resolved

          Activity

            People

              joemcdonnell Joe McDonnell
              kwho Michael Ho
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              Dates

                Created:
                Updated: