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[jira] [Created] (FLINK-10996) Enable state ttl in cep

aitozi created FLINK-10996:

             Summary: Enable state ttl in cep
                 Key: FLINK-10996
                 URL: https://issues.apache.org/jira/browse/FLINK-10996
             Project: Flink
          Issue Type: Improvement
          Components: CEP
    Affects Versions: 1.7.1
            Reporter: aitozi
            Assignee: aitozi
             Fix For: 1.7.1

In flink cep, although the within clause can clean up the data when data is expire. But If the specific key data never come again, the partial matched data will not be deleted again which will lead to the state leak. With the state ttl feature support by flink runtime, we has the ability to expire the correlative data asyncly . 

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