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Posted to hdfs-issues@hadoop.apache.org by "Xiaobing Zhou (JIRA)" <ji...@apache.org> on 2016/05/31 23:54:13 UTC
[jira] [Commented] (HDFS-10342) BlockManager#createLocatedBlocks
should not check corrupt replicas if none are corrupt
[ https://issues.apache.org/jira/browse/HDFS-10342?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15308898#comment-15308898 ]
Xiaobing Zhou commented on HDFS-10342:
--------------------------------------
[~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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