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Posted to hdfs-dev@hadoop.apache.org by "Colin Patrick McCabe (JIRA)" <ji...@apache.org> on 2013/12/05 21:27:35 UTC

[jira] [Created] (HDFS-5634) allow BlockReaderLocal to switch between checksumming and not

Colin Patrick McCabe created HDFS-5634:
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             Summary: allow BlockReaderLocal to switch between checksumming and not
                 Key: HDFS-5634
                 URL: https://issues.apache.org/jira/browse/HDFS-5634
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: hdfs-client
    Affects Versions: 3.0.0
            Reporter: Colin Patrick McCabe
            Assignee: Colin Patrick McCabe


BlockReaderLocal should be able to switch between checksumming and non-checksumming, so that when we get notifications that something is mlocked (see HDFS-5182), we can avoid checksumming when reading from that block.



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