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https://issues.apache.org/jira/browse/BEAM-6466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17325142#comment-17325142
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Brian Hulette commented on BEAM-6466:
-------------------------------------

Since bounded KafkaIO isn't an intended use-case (until BEAM-2185 is closed), 
I'd argue this isn't really a P1 issue. That being said it's not clear that a 
bounded KafkaIO is experimental, so I could understand the desire to prioritize 
it. Perhaps the resolution for this jira should be to more clearly indicate 
this limitation (e.g. raise a warning when KafkaIO is used as a bounded 
source)? 

> KafkaIO doesn't commit offsets while being used as bounded source
> -----------------------------------------------------------------
>
>                 Key: BEAM-6466
>                 URL: https://issues.apache.org/jira/browse/BEAM-6466
>             Project: Beam
>          Issue Type: Bug
>          Components: io-java-kafka
>    Affects Versions: 2.9.0
>            Reporter: Alexey Romanenko
>            Priority: P1
>
> While using KafkaIO as bounded source (with {{withMaxReadTime()}} or 
> {{withMaxNumRecords()}}) it seems doesn't commit offsets all the time.
> See the details in [the 
> discussion|https://lists.apache.org/thread.html/bcec8a1fb166029a4adf3f3491c407d49843406020b20f203ec3c2d2@%3Cuser.beam.apache.org%3E]
>  on user@list.



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