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  1. Hive
  2. HIVE-16669

Fine tune Compaction to take advantage of Acid 2.0

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    Details

    • Type: Bug
    • Status: Open
    • Priority: Critical
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: Transactions
    • Labels:
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    • Target Version/s:

      Description

      • There is little point using 2.0 vectorized reader since there is no operator pipeline in compaction
      • If minor compaction just concats delete_delta files together, then the 2 stage compaction should always ensure that we have a limited number of Orc readers to do the merging and current OrcRawRecordMerger should be fine
      • ...

        Attachments

        1. HIVE-16669.wip.patch
          4 kB
          Eugene Koifman

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              • Assignee:
                ekoifman Eugene Koifman
                Reporter:
                ekoifman Eugene Koifman
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                Dates

                • Created:
                  Updated: