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  1. Hadoop HDFS
  2. HDFS-4949 Centralized cache management in HDFS
  3. HDFS-5521

skip checksums when reading a cached block via non-local reads

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    Details

    • Type: Sub-task
    • Status: Resolved
    • Priority: Major
    • Resolution: Won't Fix
    • Affects Version/s: 3.0.0-alpha1
    • Fix Version/s: None
    • Component/s: datanode
    • Labels:
      None
    • Target Version/s:

      Description

      The DataNode needs to skip checksumming when reading a cached block via non-local reads. This is like HDFS-5182, but for non-short-circuit.

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          is related to

          Improvement - An improvement or enhancement to an existing feature or task. HDFS-5182 BlockReaderLocal must allow zero-copy reads only when the DN believes it's valid

          • Major - Major loss of function.
          • Closed

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              • Assignee:
                cmccabe Colin McCabe
                Reporter:
                cmccabe Colin McCabe
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                Dates

                • Created:
                  Updated:
                  Resolved: