[jira] [Updated] (KAFKA-4161) Decouple flush and offset commits

["Shikhar Bhushan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-4161?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

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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