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  1. HBase
  2. HBASE-18485

Performance issue: ClientAsyncPrefetchScanner is slower than ClientSimpleScanner

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 3.0.0, 2.0.0-alpha-2
    • Fix Version/s: 2.0.0-alpha-2, 2.0.0
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      Copied the test result from HBASE-17994.

      ./bin/hbase org.apache.hadoop.hbase.PerformanceEvaluation --rows=100000 --nomapred scan 1
      ./bin/hbase org.apache.hadoop.hbase.PerformanceEvaluation --rows=100000 --nomapred --asyncPrefetch=True scan 1
      

      Mean latency.

        Test1 Test2 Test3 Test4 Test5
      scan 12.21 14.32 13.25 13.07 11.83
      scan with prefetch=True 37.36 37.88 37.56 37.66 38.28

        Attachments

        1. HBASE-18485-v6.patch
          11 kB
          Guanghao Zhang
        2. HBASE-18485-v6.patch
          11 kB
          Guanghao Zhang
        3. HBASE-18485-v5.patch
          11 kB
          Guanghao Zhang
        4. HBASE-18485-v5.patch
          11 kB
          Guanghao Zhang
        5. HBASE-18485-v4.patch
          11 kB
          Guanghao Zhang
        6. HBASE-18485-v4.patch
          11 kB
          Guanghao Zhang
        7. HBASE-18485-v4.patch
          11 kB
          Guanghao Zhang
        8. HBASE-18485-v3.patch
          11 kB
          Guanghao Zhang
        9. HBASE-18485-v2.patch
          11 kB
          Guanghao Zhang
        10. HBASE-18485-v1.patch
          10 kB
          Guanghao Zhang

          Activity

            People

            • Assignee:
              zghao Guanghao Zhang
              Reporter:
              zghao Guanghao Zhang
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              Dates

              • Created:
                Updated:
                Resolved: