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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-1096) Unexpected Histogram accumulator behavior
Date Wed, 17 Sep 2014 15:21:33 GMT

    [ https://issues.apache.org/jira/browse/FLINK-1096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14137380#comment-14137380
] 

ASF GitHub Bot commented on FLINK-1096:
---------------------------------------

Github user rmetzger commented on the pull request:

    https://github.com/apache/incubator-flink/pull/117#issuecomment-55910128
  
    Do you think its difficult to fix the temp file deletion? Would be cool to have support
for Windows as well


> Unexpected Histogram accumulator behavior
> -----------------------------------------
>
>                 Key: FLINK-1096
>                 URL: https://issues.apache.org/jira/browse/FLINK-1096
>             Project: Flink
>          Issue Type: Bug
>            Reporter: Sebastian Kruse
>            Assignee: Sebastian Kruse
>            Priority: Trivial
>
> The {{Histogram}} accumulator uses the given value as both key and value for the histogram
map. Hence, the histogram always contains entries like {{key -> n * key}} where {{n}} is
the number of times that {{key}} has been added to the histogram.
> Supposedly, adding {{key}} into the histogram {{n}} times should create the entr {{key
-> n}} instead.



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