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Posted to dev@flink.apache.org by "ZhuoYu Chen (Jira)" <ji...@apache.org> on 2021/12/09 09:56:00 UTC

[jira] [Created] (FLINK-25232) flink sql supports fine-grained state configuration

ZhuoYu Chen created FLINK-25232:
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             Summary: flink sql supports fine-grained state configuration
                 Key: FLINK-25232
                 URL: https://issues.apache.org/jira/browse/FLINK-25232
             Project: Flink
          Issue Type: Improvement
          Components: Table SQL / API
            Reporter: ZhuoYu Chen


In production, I found that if I configure the TTL of the state in sql, it will cause this ttl time to take effect globally
If I have the following sql grouped by region:
select count(1),region from (select * from A join B on a.uid = b.uid)
If I configure a global TTL it will cause count the status of this GroupAggFunction to be eliminated, for example the accumulation will be cleared after one day
If I don't configure it, it will cause the status of Regular join to increase again 



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