[jira] [Created] (FLINK-17199) Use NeverReturnExpired strategy for states in blink streaming join.

[Benchao Li (Jira)]

Benchao Li created FLINK-17199:
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             Summary: Use NeverReturnExpired strategy for states in blink 
streaming join.
                 Key: FLINK-17199
                 URL: https://issues.apache.org/jira/browse/FLINK-17199
             Project: Flink
          Issue Type: Improvement
          Components: Table SQL / Runtime
    Affects Versions: 1.10.0, 1.9.2
            Reporter: Benchao Li


Currently we use \{{ReturnExpiredIfNotCleanedUp}} for states in blink streaming 
join operators, which is not very intuitive for users to understand the 
behavior.

IMO, \{{NeverReturnExpired}} is more straight forward, and we should change to 
it.



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