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https://issues.apache.org/jira/browse/HDFS-17121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17755879#comment-17755879
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ASF GitHub Bot commented on HDFS-17121:
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LiuGuH commented on PR #5888:
URL: https://github.com/apache/hadoop/pull/5888#issuecomment-1683622535
> If true, is it enough to make IBR and FBR asynchronously together and use
only one thread? Thanks.
I tried and I've given up. The reason are as follows:
IBR and FBR are not on the same dispatching frequency.
i)FBR should be sent immediately when heartbeat gets variable
fullBlockReportLeaseId
ii) IBR should be scheduled with waitTillNextIBR(heartbeatTime)
> BPServiceActor to provide new thread to handle FBR
> --------------------------------------------------
>
> Key: HDFS-17121
> URL: https://issues.apache.org/jira/browse/HDFS-17121
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
> Reporter: liuguanghua
> Priority: Minor
> Labels: pull-request-available
>
> After HDFS-16016 , it makes ibr in a thread to avoid heartbeat blocking with
> ibr when require readlock in Datanode.
> Now fbr should do as this. The reason is this:
> (1)heartbeat maybe block because of fbr with readlock in datanode
> (2)fbr will only may return FinalizeCommand
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