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https://issues.apache.org/jira/browse/FLINK-5644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15837912#comment-15837912
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ASF GitHub Bot commented on FLINK-5644:
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Github user zentol commented on the issue:
https://github.com/apache/flink/pull/3214
Everything that the `CheckpointStatsTracker` tracks is also exposed as a
metric on the JM.
> Task#lastCheckpointSize metric broken
> -------------------------------------
>
> Key: FLINK-5644
> URL: https://issues.apache.org/jira/browse/FLINK-5644
> Project: Flink
> Issue Type: Bug
> Components: Metrics, Streaming
> Affects Versions: 1.2.0, 1.3.0
> Reporter: Chesnay Schepler
> Assignee: Chesnay Schepler
> Fix For: 1.2.0, 1.3.0
>
>
> The lastCheckpointSIze metric was broken when we introduced the key-groups. I
> couldn't find an easy way to fix the metric, as such i propose to remove it.
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