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From "Todd Lipcon (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-2822) processMisReplicatedBlock incorrectly identifies under-construction blocks as under-replicated
Date Sat, 21 Jan 2012 02:42:40 GMT
processMisReplicatedBlock incorrectly identifies under-construction blocks as under-replicated
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                 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


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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