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https://issues.apache.org/jira/browse/FLINK-3664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15230822#comment-15230822
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ASF GitHub Bot commented on FLINK-3664:
---------------------------------------
Github user zentol commented on the pull request:
https://github.com/apache/flink/pull/1859#issuecomment-207049231
It is indeed a flaky kafka test.
You don't have to worry about it, the majority of build passed we're good
on that front.
> Create a method to easily Summarize a DataSet
> ---------------------------------------------
>
> Key: FLINK-3664
> URL: https://issues.apache.org/jira/browse/FLINK-3664
> Project: Flink
> Issue Type: Improvement
> Reporter: Todd Lisonbee
> Attachments: DataSet-Summary-Design-March2016-v1.txt
>
>
> Here is an example:
> {code}
> /**
> * Summarize a DataSet of Tuples by collecting single pass statistics for all
> columns
> */
> public Tuple summarize()
> Dataset<Tuple3<Double, String, Boolean>> input = // [...]
> Tuple3<DoubleColumnSummary,StringColumnSummary,BooleanColumnSummary> summary
> = input.summarize()
> summary.getField(0).stddev()
> summary.getField(1).maxStringLength()
> {code}
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