{"id":"bitcask-reader-not-threadsafe","text":"File handles in `self.file_handles` are shared and mutable (via `seek`), so concurrent calls to `_read_record` on the same `file_id` would race.","truth_value":"IN","source":"entries/2026/05/29/hash-index-storage-bitcask-_read_record.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"bitcask-reader-not-threadsafe","truth_value":"IN","reason":"premise"}]}}