Shikhar Bhushan updated KAFKA-4161:
    Issue Type: Improvement  (was: New Feature)

> Decouple flush and offset commits
> ---------------------------------
>                 Key: KAFKA-4161
>                 URL: https://issues.apache.org/jira/browse/KAFKA-4161
>             Project: Kafka
>          Issue Type: Improvement
>          Components: KafkaConnect
>            Reporter: Shikhar Bhushan
>            Assignee: Ewen Cheslack-Postava
>              Labels: needs-kip
> It is desirable to have, in addition to the time-based flush interval, volume 
> or size-based commits. E.g. a sink connector which is buffering in terms of 
> number of records may want to request a flush when the buffer is full, or 
> when sufficient amount of data has been buffered in a file.
> Having a method like say {{requestFlush()}} on the {{SinkTaskContext}} would 
> allow for connectors to have flexible policies around flushes. This would be 
> in addition to the time interval based flushes that are controlled with 
> {{offset.flush.interval.ms}}, for which the clock should be reset when any 
> kind of flush happens.
> We should probably also support requesting flushes via the 
> {{SourceTaskContext}} for consistency though a use-case doesn't come to mind 
> off the bat.

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