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https://issues.apache.org/jira/browse/FLINK-3634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15230170#comment-15230170
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ASF GitHub Bot commented on FLINK-3634:
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Github user fhueske commented on the pull request:
https://github.com/apache/flink/pull/1817#issuecomment-206868628
Thanks for the update @greghogan. +1 to merge.
> Fix documentation for DataSetUtils.zipWithUniqueId()
> ----------------------------------------------------
>
> Key: FLINK-3634
> URL: https://issues.apache.org/jira/browse/FLINK-3634
> Project: Flink
> Issue Type: Improvement
> Components: Documentation
> Affects Versions: 1.1.0
> Reporter: Greg Hogan
> Assignee: Greg Hogan
> Priority: Minor
> Fix For: 1.1.0, 1.0.1
>
>
> Under FLINK-2590 the assignment and testing of unique IDs was improved but
> the documentation looks to still reference the old implementation.
> With {{parallelism=1}} there is no difference between zipWithUniqueID and
> zipWithIndex. With greater parallelism the results of zipWithUniqueID are
> dependent on the partitioning.
> The documentation should demonstrate a possible result that is different from
> the incremental sequence of zipWithIndex while noting that results are
> dependent on the parallelism and partitioning.
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