{"id":"overlapping-determines-merge-set","text":"The merge set for leveled compaction is always exactly one source SSTable plus all SSTables in the target level whose key range intersects it, constructed via `_overlapping()` at `sstable.py:428-429`.","truth_value":"IN","source":"entries/2026/05/29/topic-leveled-compaction-write-amplification.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"overlapping-determines-merge-set","truth_value":"IN","reason":"premise"}]}}