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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-9674) The HTrace span for OpWriteBlock should record the maxWriteToDisk time
Date Thu, 21 Jan 2016 03:06:39 GMT
Colin Patrick McCabe created HDFS-9674:
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             Summary: The HTrace span for OpWriteBlock should record the maxWriteToDisk time
                 Key: HDFS-9674
                 URL: https://issues.apache.org/jira/browse/HDFS-9674
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: datanode, tracing
    Affects Versions: 2.4.0
            Reporter: Colin Patrick McCabe
            Assignee: Colin Patrick McCabe


The HTrace span for OpWriteBlock should record the maxWriteToDisk time.  That way, if the
trace span is long, we can figure out whether it is because of a hard disk or I/O issue, or
something else.



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