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https://issues.apache.org/jira/browse/FLINK-25470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17524854#comment-17524854
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Yun Tang commented on FLINK-25470:
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[~masteryhx] Already assigned to you.
> Add/Expose/Differentiate metrics of checkpoint size between changelog size vs
> materialization size
> --------------------------------------------------------------------------------------------------
>
> Key: FLINK-25470
> URL: https://issues.apache.org/jira/browse/FLINK-25470
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Metrics, Runtime / State Backends
> Reporter: Yuan Mei
> Assignee: Hangxiang Yu
> Priority: Major
> Fix For: 1.16.0
>
> Attachments: Screen Shot 2021-12-29 at 1.09.48 PM.png
>
>
> FLINK-25557 only resolves part of the problems.
> Eventually, we should answer questions:
> * How much Data Size increases/exploding
> * When a checkpoint includes a new Materialization
> * Materialization size
> * changelog sizes from the last complete checkpoint (that can roughly infer
> restore time)
>
>
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