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postgresql预写日志(Write-Ahead Logging)

Posted on 2015-11-03 Edited on 2020-12-07 In Database

postgresql WAL日志是为了保证数据的完整性,基本上是与oracle的redo log十分类似的东西。
WAL也是在线复制备份,时间点恢复等高级特性的基石。

References:
[1]29.2. Write-Ahead Logging (WAL)
[2]PostgreSQL WAL vs. Oracle Redo Log

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[erq]

# PostgresQL
数据库高可用概念(database high availability)
gulp debug and log
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