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  1. Hive
  2. HIVE-2030

isEmptyPath() to use ContentSummary cache

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.8.0
    • Component/s: Query Processor
    • Labels:
      None

      Description

      addInputPaths() calls isEmptyPath() for every input path. Now every call is a DFS namenode call. Making isEmptyPath() to use cached ContentSummary, we should be able to avoid some namenode calls and reduce latency in the case of multiple partitions.

        Attachments

        1. HIVE-2030.1.patch
          5 kB
          Siying Dong
        2. HIVE-2030.2.patch
          5 kB
          Siying Dong
        3. HIVE-2030.3.patch
          4 kB
          Siying Dong

          Activity

            People

            • Assignee:
              sdong Siying Dong
              Reporter:
              sdong Siying Dong
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              Dates

              • Created:
                Updated:
                Resolved: