[jira] [Created] (FLINK-17755) Expiring states should be given as side output

[Shang Yuanchun (Jira)]

Roey Shem Tov created FLINK-17755:
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             Summary: Expiring states should be given as side output
                 Key: FLINK-17755
                 URL: https://issues.apache.org/jira/browse/FLINK-17755
             Project: Flink
          Issue Type: New Feature
          Components: API / State Processor
            Reporter: Roey Shem Tov
             Fix For: 2.0.0, 1.12.0


When we set a StateTTLConfig to StateDescriptor, then when the records is expiring it is deleted from the StateBackend.

I want suggest a new feature, that we can get the expiring results as side output, to process them and not just delete them.

For example, if we have a ListState that have a TTL enabled, we can get the expiring records in the list in side-output.

What do you think?



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