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https://issues.apache.org/jira/browse/HDFS-7211?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Junping Du updated HDFS-7211:
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Target Version/s: (was: 2.8.0)
> Block invalidation work should be ordered
> -----------------------------------------
>
> Key: HDFS-7211
> URL: https://issues.apache.org/jira/browse/HDFS-7211
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.5.1
> Reporter: Zhe Zhang
> Assignee: Zhe Zhang
>
> {{InvalidateBlocks#node2blocks}} uses an unordered {{LightWeightHashSet}} to
> store blocks (to be invalidated) on the same DN. This causes poor ordering
> when a single DN has a large number of blocks to invalidate. Blocks should be
> invalidated following the order of invalidation commands -- at least roughly.
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