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https://issues.apache.org/jira/browse/FLINK-23531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17389248#comment-17389248
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tartarus commented on FLINK-23531:
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[~jark] please assign to me, thanks
> Allow skip everytime change log for row-time deduplicate mini-batch
> -------------------------------------------------------------------
>
> Key: FLINK-23531
> URL: https://issues.apache.org/jira/browse/FLINK-23531
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Runtime
> Reporter: tartarus
> Priority: Major
>
> current we keep everytime change log for row-time deduplicate mini-batch,
> we need buffer all record on heap.
> In some cases, users do not need all change logs;
> In this way, the memory pressure and the calculation pressure of downstream
> operators can be reduced
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