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96d64b7a1f
" Without interposer consumer on flush, it could happen that a new sstable, produced by memtable flush, will not conform to the strategy invariant. For example, with TWCS, this new sstable could span multiple time windows, making it hard for the strategy to purge expired data. If interposer is enabled, the data will be correctly segregated into different sstables, each one spanning a single window. Fixes #4617. tests: - mode(dev). - manually tested it by forcing a flush of memtable spanning many windows " * 'segregation_on_flush_v2' of github.com:raphaelsc/scylla: test: Add test for TWCS interposer on memtable flush table: Wire interposer consumer for memtable flush table: Add write_memtable_to_sstable variant which accepts flat_mutation_reader table: Allow sstable write permit to be shared across monitors memtable: Track min timestamp table: Extend cache update to operate a memtable split into multiple sstables