Richard Yu created KAFKA-8431:
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Summary: Add a onTimeoutExpired callback to Kafka Consumer
Key: KAFKA-8431
URL: https://issues.apache.org/jira/browse/KAFKA-8431
Project: Kafka
Issue Type: Improvement
Components: consumer
Reporter: Richard Yu
Currently, after the changes introduced in KIP-266, many methods in Kafka
Consumer have a bounded execution time given by a user specified {{Duration}}
parameter. However, in some cases, some methods could not perform their
operations in the allocated timeout. In this case, the user might wish to have
a {{onTimeoutExpired}} callback which would be called should a blocking method
timeout before any results could be returned.
The user can implement something like described above, but Kafka can spare the
user the necessity of coding such a feature if we can support one by itself.
One possible use of this callback is to retry the method (e.g. the
{{onTimeoutExpired}} callback triggers another call to the same method after
some allocated time).
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