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https://issues.apache.org/jira/browse/FLINK-8725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16374471#comment-16374471
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ASF GitHub Bot commented on FLINK-8725:
---------------------------------------

Github user aljoscha commented on the issue:

    https://github.com/apache/flink/pull/5559
  
    R: @kl0u 


> Separate NFA-state from NFA in CEP library
> ------------------------------------------
>
>                 Key: FLINK-8725
>                 URL: https://issues.apache.org/jira/browse/FLINK-8725
>             Project: Flink
>          Issue Type: Bug
>          Components: CEP
>    Affects Versions: 1.4.0, 1.5.0
>            Reporter: Aljoscha Krettek
>            Assignee: Aljoscha Krettek
>            Priority: Major
>
> The CEP library currently serialises the static parts of the NFA in the state 
> for each key. This is wasteful, because that part is static and problematic 
> because the static part can contain user code in the form of filter functions.
>  
> We should only serialise the dynamic state of the NFA (current states, seen 
> elements).



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