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  1. Hive
  2. HIVE-22760

Add Clock caching eviction based strategy

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Details

    • New Feature
    • Status: Patch Available
    • Major
    • Resolution: Unresolved
    • None
    • None
    • llap
    • None

    Description

      LRFU is the current default right now.
      The main issue with such Strategy is that it has a very high memory overhead, in addition to that, most of the accounting has to happen under locks thus can be source of contentions.
      Add Simpler policy like clock, can help with both issues.

      Attachments

        1. HIVE-22760.patch
          91 kB
          Slim Bouguerra
        2. HIVE-22760.patch
          91 kB
          Slim Bouguerra
        3. HIVE-22760.3.patch
          94 kB
          Slim Bouguerra
        4. HIVE-22760.3.patch
          94 kB
          Slim Bouguerra
        5. HIVE-22760.2.patch
          91 kB
          Slim Bouguerra

        Issue Links

          links to

          Web Link Pull request 944

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              bslim Slim Bouguerra
              bslim Slim Bouguerra
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              Dates

                Created:
                Updated: