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https://issues.apache.org/jira/browse/FLINK-33317?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-33317:
-----------------------------------
Labels: pull-request-available (was: )
> Add cleaning mechanism for StreamConfig#SERIALIZEDUDF
> -----------------------------------------------------
>
> Key: FLINK-33317
> URL: https://issues.apache.org/jira/browse/FLINK-33317
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Configuration
> Affects Versions: 1.17.0, 1.18.0
> Reporter: Rui Fan
> Assignee: Rui Fan
> Priority: Major
> Labels: pull-request-available
>
> See FLINK-33315 for details.
> This Jira focus on avoid unnecessary memory usage, it can optimize the memory
> cost of Replica_3 in FLINK-33315.
>
> Solution:
> * After getStreamOperatorFactory, the StreamConfig#SERIALIZEDUDF can be
> cleaned
> In general, we don't clean any configuration. However, the SERIALIZED_UDF may
> be very large when operator includes some large objects.
> {@link #getStreamOperatorFactory}
> is used to create a StreamOperator and usually only needs to be called once.
> Callers can clean it to reduce the memory after calling the \{@link
> #getStreamOperatorFactory}.
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