[jira] [Created] (FLINK-8725) Separate NFA-state from NFA in CEP library

[Shang Yuanchun (Jira)]

Aljoscha Krettek created FLINK-8725:
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             Summary: 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


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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