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https://issues.apache.org/jira/browse/HBASE-17065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16234017#comment-16234017
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Ted Yu commented on HBASE-17065:
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lgtm
> Perform more effective sorting for RPC Handler Tasks
> ----------------------------------------------------
>
> Key: HBASE-17065
> URL: https://issues.apache.org/jira/browse/HBASE-17065
> Project: HBase
> Issue Type: Improvement
> Reporter: Ted Yu
> Assignee: Reid Chan
> Priority: Minor
> Labels: rpc, ui
> Attachments: HBASE-17065.master.001.patch, Screen Shot 2017-11-01 at
> 5.38.53 PM.png, rpc-hdlr-tasks.png
>
>
> Under the 'Show All RPC Handler Tasks' tab, the tasks are not sorted
> according to the duration they have been in the current state (see picture).
> In TaskMonitorTmpl.jamon :
> {code}
> long now = System.currentTimeMillis();
> Collections.reverse(tasks);
> {code}
> The underlying tasks are backed by CircularFifoBuffer, leading to ineffective
> sorting.
> We should display tasks with the longest duration (in current state) first.
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