Re: Add checkpoint and redo LSN to LogCheckpointEnd log message - Mailing list pgsql-hackers

From Nathan Bossart
Subject Re: Add checkpoint and redo LSN to LogCheckpointEnd log message
Date
Msg-id 20220127235749.GA558032@nathanxps13
Whole thread Raw
In response to Re: Add checkpoint and redo LSN to LogCheckpointEnd log message  (Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>)
List pgsql-hackers
On Thu, Jan 27, 2022 at 08:37:37PM +0530, Bharath Rupireddy wrote:
> I'm still not clear how the REDO location can be treated as a start
> LSN? Can someone throw some light one what this checkpoint's REDO
> location is?

It's the WAL insert location at the time the checkpoint began (i.e., where
you need to begin replaying WAL from after a crash).

-- 
Nathan Bossart
Amazon Web Services: https://aws.amazon.com/



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