[jira] [Created] (FLINK-9418) Migrate SharedBuffer to use MapState

[Shang Yuanchun (Jira)]

Dawid Wysakowicz created FLINK-9418:
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             Summary: Migrate SharedBuffer to use MapState
                 Key: FLINK-9418
                 URL: https://issues.apache.org/jira/browse/FLINK-9418
             Project: Flink
          Issue Type: Improvement
          Components: CEP
            Reporter: Dawid Wysakowicz
            Assignee: Dawid Wysakowicz
             Fix For: 1.6.0


Right now {{SharedBuffer}} is implemented with java Collections and the whole buffer is deserialized on each access. We should migrate it to MapState, so that only the necessary parts (e.g. tail entries) are deserialized.



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