{"id":"compaction-is-explicit-not-background","text":"Both the LSM and SSTable modules trigger compaction via explicit synchronous method calls (`compact()` / `run_compaction()`), not background threads — removing the write-amplification pressure that motivates least-overlap selection in production systems.","truth_value":"IN","source":"entries/2026/05/29/topic-leveled-compaction-write-amplification.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"compaction-is-explicit-not-background","truth_value":"IN","reason":"premise"}]}}