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  1. IMPALA
  2. IMPALA-1586

Impala should randomly select cached replica

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    Details

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

      When the cache replication factor is increased for individual directories, Impala currently always selects the first replica. Instead, Impala should select a random replica with a local backend to avoid hotspots.

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            • Assignee:
              mgrund_impala_bb91 Martin Grund
              Reporter:
              mgrund_impala_bb91 Martin Grund
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              • Created:
                Updated:
                Resolved: