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https://issues.apache.org/jira/browse/CASSANDRA-15553?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17040546#comment-17040546
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Blake Eggleston commented on CASSANDRA-15553:
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{quote}assuming compaction also maintains repairedAt
{quote}
not in a way that would make this possible. Once an sstable gets into the
repaired bucket, it will be compacted with other repaired sstables, potentially
with different repaired at timestamps (and keeping the min timestamp, I
believe) .
> Preview repair should include sstables from finalized incremental repair
> sessions
> ---------------------------------------------------------------------------------
>
> Key: CASSANDRA-15553
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15553
> Project: Cassandra
> Issue Type: Bug
> Components: Consistency/Repair
> Reporter: Marcus Eriksson
> Assignee: Marcus Eriksson
> Priority: Normal
> Fix For: 4.0-alpha
>
>
> When running a preview repair we currently grab all repaired sstables,
> problem is that we depend on compaction to move the sstables from pending to
> repaired so we might have different data marked repaired on different nodes.
> Including any sstables from finalized incremental repair sessions as repaired
> will solve this.
> Another problem is that validations don't start at exactly the same time on
> different nodes, so if an incremental repair finishes while the preview
> repair is running we might also validate the wrong repaired set. We should
> fail the preview repair if an intersecting incremental repair finishes during
> the preview repair.
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