Unverified50% confidenceFactExact time
预写日志（WAL）机制在操作执行前完整记录变更意图，从而实现任意时间点的状态恢复
1
Sources
50%
Confidence
Long-term
Relevance
7/20/2026
First Seen
Sources
Related Claims
VerifiedTemporal uses an event sourcing mechanism that records all function call history as immutable logs, from which execution position can be recovered by replaying the logs.80% similarUnverifiedWAL（预写日志）的核心原则是任何数据修改在写入实际数据页之前，必须先将描述该修改的日志记录写入持久化存储71% similarUnverifiedTemporal、Restate等平台通过将函数调用历史记录到持久存储中来实现故障恢复71% similarUnverifiedTemporal 采用事件溯源机制，将所有函数调用历史记录为不可变日志，其前身是 Uber 内部孵化的 Cadence 项目67% similarUnverifiedTemporal 通过事件溯源将工作流每个执行步骤记录为不可变历史事件，Worker 崩溃重启后通过重放恢复状态，工作流状态持久化于 PostgreSQL 或 Cassandra67% similar
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