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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-13845) s3a to instrument duration of HTTP calls
Date Tue, 29 Nov 2016 16:26:58 GMT
Steve Loughran created HADOOP-13845:
---------------------------------------

             Summary: s3a to instrument duration of HTTP calls
                 Key: HADOOP-13845
                 URL: https://issues.apache.org/jira/browse/HADOOP-13845
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: fs/s3
    Affects Versions: 2.9.0
            Reporter: Steve Loughran


HADOOP-13844 proposes pulling out the swift duration classes for reuse; this patch proposes
instrumenting s3a with it.

One interesting question: what to do with the values. For now, they could just be printed,
but it might be interesting to include in FS stats collected at the end of a run. However,
those are all assumed to be simple counters where merging is a matter of addition. These are
more metrics



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