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https://issues.apache.org/jira/browse/HDFS-10810?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15528629#comment-15528629
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Mingliang Liu commented on HDFS-10810:
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Thanks for your confirmation, [~szetszwo]. I'll hold on commit by this week in
case someone proposes concerns.
Besides, I think this test is using fixed time sleep for event waiting. It will
be great if you can use some techniques proposed in [HDFS-10666],
[~brahmareddy].
> Setreplication removing block from underconstrcution temporarily when batch
> IBR is enabled.
> --------------------------------------------------------------------------------------------
>
> Key: HDFS-10810
> URL: https://issues.apache.org/jira/browse/HDFS-10810
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Brahma Reddy Battula
> Assignee: Brahma Reddy Battula
> Attachments: HDFS-10810-002.patch, HDFS-10810.patch
>
>
> 1)Batch IBR is enabled with number of committed blocks allowed=1
> 2) Written one block and closed the file without waiting for IBR
> 3)Setreplication called immediately on the file.
> So till the finalized IBR Received, block will not be added to
> {{neededReconstruction}} since following check will be {{false}} as block is
> not marked as complete.
> {code}
> if (isNeededReconstruction(block, repl.liveReplicas())) {
> neededReconstruction.update(block, repl.liveReplicas(),
> repl.readOnlyReplicas(), repl.decommissionedAndDecommissioning(),
> curExpectedReplicas, curReplicasDelta, expectedReplicasDelta);
> }.{code}
> Hence block will not marked as under-replicated.
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