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Carl Yeksigian commented on CASSANDRA-10960:
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We can't delete the backups because we don't know where the backup process is.
Also, since compactions don't just combine new sstables that are in the backups
folder with each other, if we used the newly compacted SSTables, we would be
including data that has already been backed up, so they wouldn't be incremental
backup files.
> Compaction should delete old files from incremental backups folder
> ------------------------------------------------------------------
>
> Key: CASSANDRA-10960
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10960
> Project: Cassandra
> Issue Type: Improvement
> Components: Compaction
> Environment: PROD
> Reporter: Anubhav Kale
> Priority: Minor
>
> When compaction runs the old flushed SS Tables from backups folder are not
> deleted. If folks need to move the backups folder somewhere outside the
> cluster, recovery becomes slower because unnecessary files need to be copied
> back.
> Is this behavior by design ?
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