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https://issues.apache.org/jira/browse/HADOOP-8929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13476388#comment-13476388
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Chris Nauroth commented on HADOOP-8929:
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In addition to toString, the patch also makes Quantile a Comparable and changes
the contract of SampleQuantiles to return null instead of throwing IOException
if no samples were added. Is that intentional, or was the goal to just do
toString right now?
> Add toString for SampleQuantiles
> --------------------------------
>
> Key: HADOOP-8929
> URL: https://issues.apache.org/jira/browse/HADOOP-8929
> Project: Hadoop Common
> Issue Type: Improvement
> Components: metrics
> Affects Versions: 3.0.0, 2.0.2-alpha
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Attachments: hadoop-8929.txt
>
>
> The new SampleQuantiles class is useful in the context of benchmarks, but
> currently there is no way to print it out outside the context of a metrics
> sink. It would be nice to have a convenient way to stringify it for logging,
> etc.
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