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https://issues.apache.org/jira/browse/FLINK-15122?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16992201#comment-16992201
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Jingsong Lee commented on FLINK-15122:
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[~pnowojski] Yes, will create a benchmark to show the improvement. (Temporarily
busy 1.10 testing/bugfix)
[~jark] Thanks for your information, Yes, FLIP-21 completely hits this ticket.
> Reusing record object in StreamTaskNetworkInput
> -----------------------------------------------
>
> Key: FLINK-15122
> URL: https://issues.apache.org/jira/browse/FLINK-15122
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Network
> Reporter: Jingsong Lee
> Priority: Major
> Fix For: 1.11.0
>
>
> Now blink's batch is forced to open object reusing, but the data read from
> the network is not reused, which will lead to a large GC of the batch job.
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