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https://issues.apache.org/jira/browse/HDFS-511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konstantin Shvachko updated HDFS-511:
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Status: Patch Available (was: Open)
> Redundant block searches in BlockManager.
> -----------------------------------------
>
> Key: HDFS-511
> URL: https://issues.apache.org/jira/browse/HDFS-511
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: name-node
> Affects Versions: 0.21.0
> Reporter: Konstantin Shvachko
> Assignee: Konstantin Shvachko
> Fix For: 0.21.0
>
> Attachments: BlockManager.patch
>
>
> Some searches for a block in {{blocksMap}} are redundant and should be
> eliminated.
> {{BlockManager.addStoredBlock()}} contain unnecessary explicit and hidden
> (inside {{markBlockAsCorrupt()}}) calls of {{blocksMap.getStoredBlock()}}.
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