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https://issues.apache.org/jira/browse/KAFKA-17428?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Federico Valeri updated KAFKA-17428:
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Summary: remote segments deleted in RLMCopyTask stays
DELETE_SEGMENT_STARTED state (was: remote segments deleted in RLMCopyTask
stays `COPY_SEGMENT_START` state)
> remote segments deleted in RLMCopyTask stays DELETE_SEGMENT_STARTED state
> -------------------------------------------------------------------------
>
> Key: KAFKA-17428
> URL: https://issues.apache.org/jira/browse/KAFKA-17428
> Project: Kafka
> Issue Type: Improvement
> Reporter: Luke Chen
> Assignee: Federico Valeri
> Priority: Major
> Labels: kip-required
>
> Currently, we will delete failed uploaded segment and Custom metadata size
> exceeded segments in copyLogSegment in RLMCopyTask. But after deletion, these
> segment states are still in COPY_SEGMENT_STARTED. That "might" cause
> unexpected issues in the future. We'd better to move the state from
> {{COPY_SEGMENT_STARTED}} -> {{DELETE_SEGMENT_STARTED}} ->
> {{DELETE_SEGMENT_FINISHED}}
>
> updated:
> I thought about this when I first had a look at it and one thing that
> bothered me is that {{DELETE_SEGMENT_STARTED}} means to me that we're now in
> a state where we attempt deletion. However if the remote store is down and we
> fail to copy and delete we will leave that segment in
> {{DELETE_SEGMENT_STARTED}} and not attempt to delete it till the segment
> itself breaches retention.ms/bytes.
> We can probably just make it clearer but that was my thought at the time.
> So, maybe when in deletion loop, we can add {{DELETE_SEGMENT_STARTED}}
> segments into deletion directly, but that also needs to consider the
> retention size calculation.
>
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