{"id":"hash-index-sync-writes-controls-fsync","text":"In hash-index-storage Bitcask, the `sync_writes` flag controls whether each `_write_record` call fsyncs to disk; when `False`, recently written records may be lost on crash.","truth_value":"IN","source":"entries/2026/05/29/hash-index-storage-bitcask-_write_record.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"hash-index-sync-writes-controls-fsync","truth_value":"IN","reason":"premise"}]}}