# [[guc:checkpoint_timeout]]

> 自动 WAL 检查点之间的最长时间。
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自动 WAL 检查点之间的最长时间。

[PostgreSQL 18 官方参数参考](https://www.postgresql.org/docs/18/runtime-config.html#GUC-CHECKPOINT-TIMEOUT)

## 被哪些等待事件引用 {#wait-events}

- [Activity/CheckpointerMain](/zh/activity/checkpointer-main/)
- [Activity/CheckpointerShutdown](/zh/activity/checkpointer-shutdown/)
- [IO/LogicalRewriteCheckpointSync](/zh/io/logical-rewrite-checkpoint-sync/)
- [IPC/CheckpointDelayComplete](/zh/ipc/checkpoint-delay-complete/)
- [IPC/CheckpointDelayStart](/zh/ipc/checkpoint-delay-start/)
- [IPC/CheckpointDone](/zh/ipc/checkpoint-done/)
- [IPC/CheckpointStart](/zh/ipc/checkpoint-start/)
- [LWLock/Checkpoint](/zh/lwlock/checkpoint/)
- [LWLock/CheckpointerComm](/zh/lwlock/checkpointer-comm/)
- [LWLock/WALBufMapping](/zh/lwlock/wal-buf-mapping/)
- [LWLock/WALInsert](/zh/lwlock/wal-insert/)
- [Timeout/CheckpointWriteDelay](/zh/timeout/checkpoint-write-delay/)