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https://issues.apache.org/jira/browse/HDFS-9690?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo Nicholas Sze updated HDFS-9690:
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Attachment: h9690_20160124b_branch-2.7.patch
Thanks Vinay for reviewing and trying committing the patch!
I just have committed the patch down to 2.8. Here is a patch for 2.7.
h9690_20160124b_branch-2.7.patch: for 2.7.
> addBlock is not idempotent
> --------------------------
>
> Key: HDFS-9690
> URL: https://issues.apache.org/jira/browse/HDFS-9690
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Reporter: Tsz Wo Nicholas Sze
> Assignee: Tsz Wo Nicholas Sze
> Attachments: h9690_20160124.patch, h9690_20160124b.patch,
> h9690_20160124b_branch-2.7.patch
>
>
> TestDFSClientRetries#testIdempotentAllocateBlockAndClose can illustrate the
> bug. It failed in the following builds.
> -
> https://builds.apache.org/job/PreCommit-HDFS-Build/14188/testReport/org.apache.hadoop.hdfs/TestDFSClientRetries/testIdempotentAllocateBlockAndClose/
> -
> https://builds.apache.org/job/PreCommit-HDFS-Build/14201/testReport/org.apache.hadoop.hdfs/TestDFSClientRetries/testIdempotentAllocateBlockAndClose/
> -
> https://builds.apache.org/job/PreCommit-HDFS-Build/14202/testReport/org.apache.hadoop.hdfs/TestDFSClientRetries/testIdempotentAllocateBlockAndClose/
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