[jira] [Resolved] (HADOOP-13845) s3a to instrument duration of HTTP calls

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[jira] [Resolved] (HADOOP-13845) s3a to instrument duration of HTTP calls

Steve Loughran (Jira)

     [ https://issues.apache.org/jira/browse/HADOOP-13845?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Loughran resolved HADOOP-13845.
    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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