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https://issues.apache.org/jira/browse/HADOOP-13845?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran resolved HADOOP-13845.
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Resolution: Fixed
> 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
> Assignee: Steve Loughran
> Priority: Minor
> Fix For: 3.3.1
>
>
> 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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