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https://issues.apache.org/jira/browse/KAFKA-15195?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Jacot updated KAFKA-15195:
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Fix Version/s: (was: 4.0.0)
> Regenerate segment-aligned producer snapshots when upgrading to a Kafka
> version supporting Tiered Storage
> ---------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-15195
> URL: https://issues.apache.org/jira/browse/KAFKA-15195
> Project: Kafka
> Issue Type: Improvement
> Components: core
> Affects Versions: 3.6.0
> Reporter: Christo Lolov
> Assignee: Christo Lolov
> Priority: Major
>
> As mentioned in KIP-405: Kafka Tiered Storage#Upgrade a customer wishing to
> upgrade from a Kafka version < 2.8.0 to 3.6 and turn Tiered Storage on will
> have to wait for retention to clean up segments without an associated
> producer snapshot.
> However, in our experience, customers of Kafka expect to be able to
> immediately enable tiering on a topic once their cluster upgrade is complete.
> Once they do this, however, they start seeing NPEs and no data is uploaded to
> Tiered Storage
> (https://github.com/apache/kafka/blob/9e50f7cdd37f923cfef4711cf11c1c5271a0a6c7/storage/api/src/main/java/org/apache/kafka/server/log/remote/storage/LogSegmentData.java#L61).
> To achieve this, we propose changing Kafka to retroactively create producer
> snapshot files on upload whenever a segment is due to be archived and lacks
> one.
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