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From "Robert Metzger (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-2716) Checksum method for DataSet and Graph
Date Fri, 09 Oct 2015 02:37:26 GMT

    [ https://issues.apache.org/jira/browse/FLINK-2716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14949789#comment-14949789

Robert Metzger commented on FLINK-2716:

Correct me if I'm wrong (I don't know that part of the code very well), but can't we provide
the input type serializers through the {{RuntimeContext}} ?

> Checksum method for DataSet and Graph
> -------------------------------------
>                 Key: FLINK-2716
>                 URL: https://issues.apache.org/jira/browse/FLINK-2716
>             Project: Flink
>          Issue Type: Improvement
>          Components: Gelly, Java API, Scala API
>    Affects Versions: 0.10
>            Reporter: Greg Hogan
>            Assignee: Greg Hogan
>            Priority: Minor
> {{DataSet.count()}}, {{Graph.numberOfVertices()}}, and {{Graph.numberOfEdges()}} provide
measures of the number of distributed data elements. New {{DataSet.checksum()}} and {{Graph.checksum()}}
methods will summarize the content of data elements and support algorithm validation, integration
testing, and benchmarking.

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