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@@ -135,6 +135,16 @@ postgresql有参数控制检查点的跨度,检查点做得太快(跨度小
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3、recovery.conf中有一个参数`recovery_target = 'immediate'`,恢复到一致性的点即停止并pause或promote,是一个很不错的developor参数。
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## PITR 能恢复到什么时间点?
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```mermaid
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timeline
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title 时间线
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t0 : continuent archive wal
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t1 : start backup
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t2 : begin modify tbl
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t2.1 : commit modify tbl
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t3 : end backup
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```
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以下思想实验的内容:
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```
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归档: t1时间之前已经开启了wal归档,

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