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  1. IMPALA
  2. IMPALA-7127 Fetch-on-demand metadata for the impalad-side catalog
  3. IMPALA-7437

Simple granular caching of partition metadata in impalad

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    Details

    • Type: Sub-task
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: Impala 3.1.0
    • Component/s: None
    • Labels:
      None
    • Epic Color:
      ghx-label-1

      Description

      This JIRA tracks adding a simple cache to the catalog implementation in the impalad to cache table partitions and their file metadata. The initial cut will not cache other objects like functions, databases, table names, etc, so that we can avoid having to do more complex invalidation at first. Additionally, a simple time-based expiration will be used, to be replaced later with size-based eviction.

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            • Assignee:
              tlipcon Todd Lipcon
              Reporter:
              tlipcon Todd Lipcon
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              • Created:
                Updated:
                Resolved: