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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3957) Change MutableQuantiles to use a shared thread for rolling over metrics
Date Wed, 19 Sep 2012 04:47:07 GMT
Andrew Wang created HDFS-3957:
---------------------------------

             Summary: Change MutableQuantiles to use a shared thread for rolling over metrics
                 Key: HDFS-3957
                 URL: https://issues.apache.org/jira/browse/HDFS-3957
             Project: Hadoop HDFS
          Issue Type: Improvement
    Affects Versions: 2.0.3-alpha
            Reporter: Andrew Wang
            Assignee: Andrew Wang
            Priority: Minor


Each MutableQuantiles currently creates its own thread to rollover the histogram every interval.
It'd be better to do this with a single, shared thread or executor, and do it with a ThreadFactory
that names it properly.

Similar changes were made when porting MutableQuantiles to HBase in HBASE-6409, so this would
also help keep them in sync.

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