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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2016/11/10 18:21:59 UTC

[jira] [Created] (HBASE-17065) Perform more effective sorting for RPC Handler Tasks

Ted Yu created HBASE-17065:
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             Summary: 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
            Priority: Minor


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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