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https://issues.apache.org/jira/browse/HDFS-16016?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17783162#comment-17783162
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Xiaoqiao He commented on HDFS-16016:
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[~yuanbo] Thanks involve me here again. IIRC, we mentioned times that it is
great improvement, but we have to take the correct order when process IBR/FBR
aync.
{quote}The heartbeat thread not only handle FBR but also dispatch deleting
blocks commands. When the disks of DN are quite busy, the whole execution time
of heartbeat thread will be longer than one minute, and it makes files cannot
be closed in time{quote}
Invalidate blocks have been aync by default, would you mind to offer stack to
show where it blocks now. Thanks.
> BPServiceActor add a new thread to handle IBR
> ---------------------------------------------
>
> Key: HDFS-16016
> URL: https://issues.apache.org/jira/browse/HDFS-16016
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: JiangHua Zhu
> Assignee: Viraj Jasani
> Priority: Minor
> Labels: pull-request-available
> Fix For: 3.4.0, 3.3.6
>
> Attachments: image-2023-11-03-18-11-54-502.png,
> image-2023-11-06-10-53-13-584.png, image-2023-11-06-10-55-50-939.png
>
> Time Spent: 5h 20m
> Remaining Estimate: 0h
>
> Now BPServiceActor#offerService() is doing many things, FBR, IBR, heartbeat.
> We can handle IBR independently to improve the performance of heartbeat and
> FBR.
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