[jira] [Created] (FLINK-11909) Provide default failure/timeout handling strategy for AsyncIO functions

[Shang Yuanchun (Jira)]

Rong Rong created FLINK-11909:
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             Summary: Provide default failure/timeout handling strategy for AsyncIO functions
                 Key: FLINK-11909
                 URL: https://issues.apache.org/jira/browse/FLINK-11909
             Project: Flink
          Issue Type: Improvement
          Components: API / DataStream
            Reporter: Rong Rong


Currently Flink AsyncIO by default fails the entire job when async function invoke fails [1]. It would be nice to have some default Async IO failure/timeout handling strategy, or opens up some APIs for AsyncFunction timeout method to interact with the AsyncWaitOperator. For example (quote [~suez1224]) :

* FAIL_OPERATOR (default & current behavior)
* FIX_INTERVAL_RETRY (retry with configurable fixed interval up to N times)
* EXP_BACKOFF_RETRY (retry with exponential backoff up to N times)


[1] https://ci.apache.org/projects/flink/flink-docs-release-1.7/dev/stream/operators/asyncio.html#timeout-handling



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