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https://issues.apache.org/jira/browse/FLINK-27817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17579432#comment-17579432
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Yuan Huang commented on FLINK-27817:
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There are many duplicate codes generated for different SQL jobs. Since they are
actually representing the same logic, I guess if we make several jobs share the
generated class, the generated class will reduce much so the metaspace memory
can be saved.
> TaskManager metaspace OOM for session cluster
> ---------------------------------------------
>
> Key: FLINK-27817
> URL: https://issues.apache.org/jira/browse/FLINK-27817
> Project: Flink
> Issue Type: New Feature
> Components: Runtime / Task
> Reporter: godfrey he
> Priority: Major
>
> From user ML:
> https://www.mail-archive.com/[email protected]/msg15224.html
> For SQL jobs, the most operators are code generated with *unique class name*,
> this will cause the TM metaspace space continued growth until OOM in a
> session cluster.
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