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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-10342) BlockManager#createLocatedBlocks should not check corrupt replicas if none are corrupt
Date Tue, 09 Aug 2016 16:57:20 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10342?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kihwal Lee updated HDFS-10342:
------------------------------
    Fix Version/s: 3.0.0-alpha2

> BlockManager#createLocatedBlocks should not check corrupt replicas if none are corrupt
> --------------------------------------------------------------------------------------
>
>                 Key: HDFS-10342
>                 URL: https://issues.apache.org/jira/browse/HDFS-10342
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs
>    Affects Versions: 2.7.0
>            Reporter: Daryn Sharp
>            Assignee: Kuhu Shukla
>             Fix For: 3.0.0-alpha2
>
>         Attachments: HDFS-10342.001.patch, HDFS-10342.002.patch, HDFS-10342.003.patch
>
>
> {{corruptReplicas#isReplicaCorrupt(block, node)}} is called for every node while populating
the machines array.  There's no need to invoke the method if {{corruptReplicas#numCorruptReplicas(block)}}
returned 0.



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