{"id":"put-append-only","text":"`put` never modifies existing on-disk data; overwrites create a new record appended to the active segment and update only the in-memory index, leaving old records as reclaimable garbage until compaction","truth_value":"IN","source":"entries/2026/05/29/log-structured-hash-table-bitcask-put.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"put-append-only","truth_value":"IN","reason":"premise"}]}}