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https://issues.apache.org/jira/browse/HDFS-2822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HDFS-2822:
------------------------------
Target Version/s: HA branch (HDFS-1623), 0.24.0, 0.23.1 (was: 0.23.1,
0.24.0, HA branch (HDFS-1623))
Status: Patch Available (was: Open)
> processMisReplicatedBlock incorrectly identifies under-construction blocks as
> under-replicated
> ----------------------------------------------------------------------------------------------
>
> Key: HDFS-2822
> URL: https://issues.apache.org/jira/browse/HDFS-2822
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: ha, name-node
> Affects Versions: 0.23.0, 0.24.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Attachments: hdfs-2822.txt
>
>
> When the NN processes mis-replicated blocks while exiting safemode, it
> considers under-construction blocks as under-replicated, inserting them into
> the neededReplicationsQueue. This makes them show up as corrupt in the
> metrics and UI momentarily, until they're pulled off the queue. At that
> point, it realizes that they aren't in fact under-replicated, correctly. This
> affects both the HA branch and trunk/23, best I can tell.
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