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https://issues.apache.org/jira/browse/HDFS-4516?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uma Maheswara Rao G updated HDFS-4516:
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Target Version/s: 3.0.0, 2.3.0, 2.2.1 (was: 3.0.0, 2.1.0-beta)
> Client crash after block allocation and NN switch before lease recovery for
> the same file can cause readers to fail forever
> ---------------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-4516
> URL: https://issues.apache.org/jira/browse/HDFS-4516
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 3.0.0, 2.0.3-alpha
> Reporter: Uma Maheswara Rao G
> Assignee: Vinay
> Priority: Critical
> Attachments: HDFS-4516-Test.patch, HDFS-4516.patch, HDFS-4516.patch,
> HDFS-4516.patch, HDFS-4516.txt
>
>
> If client crashes just after allocating block( blocks not yet created in DNs)
> and NN also switched after this, then new Namenode will not know about locs.
> Further details will be in comment.
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