Unverified50% confidenceFactExact time
WAL模式将修改操作先顺序追加写入.db-wal文件而非直接修改主数据库，提升写入性能并使读写互不阻塞
1
Sources
50%
Confidence
Long-term
Relevance
7/8/2026
First Seen
Sources
Related Claims
UnverifiedIn WAL mode, read and write operations can proceed simultaneously; read transactions read the main database file plus committed portions in the WAL, while write transactions only need to append to the WAL, providing MVCC-like snapshot isolation concurrency control.68% similarUnverified热加载（Hot Reload）可以通过将配置存储在数据库或Redis中，配置变更时通过消息队列或轮询机制触发内存刷新来实现61% similarUnverified通过配置thread_id可实现不同用户或会话的状态隔离，其设计原理类似数据库租户隔离59% similarUnverifiedRESTART mode resets the write offset of the WAL file to the starting position after completing the data writeback, which is the key operation involved in this bug.58% similar
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