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https://issues.apache.org/jira/browse/CASSANDRA-20394?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Semb Wever reassigned CASSANDRA-20394:
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Assignee: (was: Michael Semb Wever)
> Restore SSTableHeaderFix for use with StandaloneScrubber for offline upgrade
> compatibility
> ------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-20394
> URL: https://issues.apache.org/jira/browse/CASSANDRA-20394
> Project: Apache Cassandra
> Issue Type: Improvement
> Components: Local/SSTable, Tool/sstable
> Reporter: Michael Semb Wever
> Priority: Normal
> Fix For: 5.0.x, 5.x
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> We aim to maintain offline compatibility.
> In CASSANDRA-18504 SSTableHeaderFix and the header-fix options from
> StandaloneScrubber were removed in 5.0. This broke offline compatibility
> from <= me sstables written from 3.0.x versions.
> While we don't need online compatibility against such old sstables, we should
> maintain the ability to be able to offline upgrade, including being able to
> fix incompatible/broken headers related to dropped non-explicit frozen UDTs.
> See CASSANDRA-15035 for more info on how headers can be broken and when the
> fix is needed.
> Along with restoring the header fix tooling ability, this ticket also adds
> more test methods and test data (different past sstable formats) to
> LegacySSTableTest.
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