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From "Greg Hogan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-2223) Web frontend shows wrong accumulator results for latest job
Date Thu, 13 Oct 2016 18:37:20 GMT

    [ https://issues.apache.org/jira/browse/FLINK-2223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15572799#comment-15572799
] 

Greg Hogan commented on FLINK-2223:
-----------------------------------

Is this still an issue?

> Web frontend shows wrong accumulator results for latest job
> -----------------------------------------------------------
>
>                 Key: FLINK-2223
>                 URL: https://issues.apache.org/jira/browse/FLINK-2223
>             Project: Flink
>          Issue Type: Bug
>            Reporter: Till Rohrmann
>            Priority: Minor
>
> The web frontend always displays for the latest finished job in the history that it has
an accumulator with name {{JobID (SerializedListAccumulator)}} and value {{org.apache.flink.api.common.accumulators.SerializedListAccumulator}}.
This seems to an artifact of the way we send accumulators via akka. Maybe the {{SerializedListAccumulator}}
is always collected in the JobManager's {{AccumulatorManager}} no matter whether the job used
accumulators or not. Then, this accumulator is returned to the web frontend as long as no
other job was started.  



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