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Posted to hdfs-dev@hadoop.apache.org by "Colin Patrick McCabe (JIRA)" <ji...@apache.org> on 2013/12/05 22:00:36 UTC

[jira] [Resolved] (HDFS-5521) skip checksums when reading a cached block via non-local reads

     [ https://issues.apache.org/jira/browse/HDFS-5521?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Colin Patrick McCabe resolved HDFS-5521.
----------------------------------------

    Resolution: Won't Fix

Andrew is right about this one... we still want to detect network errors, so let's not skip those checksums in this case.

> skip checksums when reading a cached block via non-local reads
> --------------------------------------------------------------
>
>                 Key: HDFS-5521
>                 URL: https://issues.apache.org/jira/browse/HDFS-5521
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>    Affects Versions: 3.0.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>
> 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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