{"id":"concurrent-access-during-compaction-is-doubly-unsafe","text":"Compaction under concurrent access is unsafe in two independent failure modes: concurrent readers and writers have no synchronization (no locks, latches, or snapshots on either path), AND compaction itself has no crash-safe file operations — concurrent access can corrupt live state silently, and a crash during this unsynchronized compaction produces irrecoverable data loss.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"concurrent-access-during-compaction-is-doubly-unsafe","truth_value":"IN","reason":"premise"}]}}