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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-5634) allow BlockReaderLocal to switch between checksumming and not
Date Wed, 18 Dec 2013 21:57:07 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5634?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Colin Patrick McCabe updated HDFS-5634:
---------------------------------------

     Target Version/s: 2.4.0  (was: 3.0.0)
    Affects Version/s:     (was: 3.0.0)
                       2.4.0
        Fix Version/s: 2.4.0

backported to 2.4

> 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: 2.4.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>             Fix For: 2.4.0
>
>         Attachments: HDFS-5634.001.patch, HDFS-5634.002.patch, HDFS-5634.003.patch, HDFS-5634.004.patch,
HDFS-5634.005.patch, HDFS-5634.006.patch, HDFS-5634.007.patch, HDFS-5634.008.patch, HDFS-5634.009.branch-2.patch
>
>
> 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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