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https://issues.apache.org/jira/browse/CASSANDRA-19863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17880562#comment-17880562
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Berenguer Blasi commented on CASSANDRA-19863:
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[~blambov] adding that compaction test we worked on. It should be a quick
review for you.
> Add extra compaction junit
> --------------------------
>
> Key: CASSANDRA-19863
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19863
> Project: Cassandra
> Issue Type: Improvement
> Components: Local/Compaction
> Reporter: Berenguer Blasi
> Assignee: Berenguer Blasi
> Priority: Normal
>
> Working on a custom compaction strategy we have found there is no junit
> making sure compactions strategies account for this specific scenario:
> A- IR sessions starts on N sstables
> B- Just before the IR session completes and the N sstables get moved out of
> pending repair a compaction kicks in
> C- As the IR session is finalizing the compaction task removes the N sstables
> and creates a new one that will obviously be pending repair.
> D- The IR session finalizes, the original N sstables are gone, the compaction
> finishes and a new sstable pending repair is created
> E- That new sstable is orphaned as A. No active IR session knows about it B.
> No compaction is going to ever touch it as long as it is pending repair. So
> it it’s just left behind forever.
> This ticket will add such junit.
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