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https://issues.apache.org/jira/browse/FLINK-9050?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16674632#comment-16674632
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lining edited comment on FLINK-9050 at 11/5/18 3:47 AM:
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[~Zentol] Whether too many operators will lead to jm oom?
was (Author: lining):
[~Zentol] if too many operators will cause jm oom.
> Expose operator IO counter metrics
> ----------------------------------
>
> Key: FLINK-9050
> URL: https://issues.apache.org/jira/browse/FLINK-9050
> Project: Flink
> Issue Type: New Feature
> Components: DataSet API, DataStream API, Metrics
> Reporter: Chesnay Schepler
> Assignee: Chesnay Schepler
> Priority: Major
> Fix For: 1.7.0
>
>
> To properly expose the number of records read by sources / emitted by sink we
> have to expose the operator counter metrics.
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