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https://issues.apache.org/jira/browse/HDFS-10342?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15308898#comment-15308898
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Xiaobing Zhou commented on HDFS-10342:
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[~kshukla] would you like to post a patch for it? Thanks.
> 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
>
> {{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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