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9f77a32805
perform_offstrategy is called from try_perform_cleanup when there are sstables in the maintenance set that require cleanup. The input sstables are inserted into the compaction_state `sstables_requiring_cleanup` and `try_perform_cleanup` expects offstrategy compaction to clean them up along with reshape compaction. Otherwise, the maintenance sstables that require cleanup are not cleaned up by cleanup compaction, since the reshape output sstable(s) are not analyzed again after reshape compaction, where that would insert the output sstable(s) into `sstables_requiring_cleanup` and trigger their cleanup in the subsequent cleanup compaction. The latter method is viable too, but it is less effficient since we can do reshape+cleanup in one pass, vs. reshape first and cleanup later. Fixes scylladb/scylladb#15041 Signed-off-by: Benny Halevy <bhalevy@scylladb.com> Closes #15043