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https://issues.apache.org/jira/browse/HDFS-15075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17066456#comment-17066456
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Xiaoqiao He commented on HDFS-15075:
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Thanks [~weichiu],[~elgoiri] for your suggestions, v008 try to fix about
metrics in {{BPServiceActor}} only and others change will following by the next
JIRA. For the other added metrics I think it is different with IO metric for
each volume since existing metrics both focus on external storage IO
performance, added metrics focus on hold lock times. IIUC it is also necessary
for performance. FYI. Thanks again.
> Remove process command timing from BPServiceActor
> -------------------------------------------------
>
> Key: HDFS-15075
> URL: https://issues.apache.org/jira/browse/HDFS-15075
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Íñigo Goiri
> Assignee: Xiaoqiao He
> Priority: Major
> Attachments: HDFS-15075.001.patch, HDFS-15075.002.patch,
> HDFS-15075.003.patch, HDFS-15075.004.patch, HDFS-15075.005.patch,
> HDFS-15075.006.patch, HDFS-15075.007.patch, HDFS-15075.008.patch
>
>
> HDFS-14997 moved the command processing into async.
> Right now, we are checking the time to add to a queue.
> We should remove this one and maybe move the timing within the thread.
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