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https://issues.apache.org/jira/browse/FLINK-24489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17426967#comment-17426967
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Roc Marshal commented on FLINK-24489:
-------------------------------------

IMO, There need a size threshold to avoid OOM.

> The size of entryCache in the SharedBuffer should be defined with a threshold
> -----------------------------------------------------------------------------
>
>                 Key: FLINK-24489
>                 URL: https://issues.apache.org/jira/browse/FLINK-24489
>             Project: Flink
>          Issue Type: Improvement
>          Components: Library / CEP
>    Affects Versions: 1.10.0, 1.11.0, 1.12.0, 1.13.0, 1.14.0
>            Reporter: Roc Marshal
>            Priority: Major
>
> [here|https://github.com/apache/flink/blob/c3cb886ee73b5fee23b2bccff0f5e4d45a30b3a1/flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/nfa/sharedbuffer/SharedBuffer.java#L79]



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