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https://issues.apache.org/jira/browse/FLINK-3274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15115364#comment-15115364
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ASF GitHub Bot commented on FLINK-3274:
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Github user rmetzger commented on the pull request:
https://github.com/apache/flink/pull/1541#issuecomment-174539785
This PR also addresses https://issues.apache.org/jira/browse/FLINK-3280
> Prefix Kafka connector accumulators with unique id
> --------------------------------------------------
>
> Key: FLINK-3274
> URL: https://issues.apache.org/jira/browse/FLINK-3274
> Project: Flink
> Issue Type: Bug
> Components: Kafka Connector
> Affects Versions: 1.0.0
> Reporter: Robert Metzger
> Assignee: Robert Metzger
>
> Flink might chain together two data sinks under certain conditions.
> In that case, the metrics accumulators will have a name clash (each task can
> have an accumulator only once, with chaining multiple sinks are sharing a
> task).
> Also, when merging accumulators from different tasks for a per-job result,
> having multiple kafka producers or consumers will lead to wrong results as
> the merging happens only on a per-name basis.
> With this issue, I'd like to introduce a unique id for consumers and
> producers when registering accumulators
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