Re: New WAL record to detect the checkpoint redo location - Mailing list pgsql-hackers

On Fri, Aug 18, 2023 at 5:24 AM Michael Paquier <michael@paquier.xyz> wrote:
>
> On Thu, Aug 17, 2023 at 01:11:50PM +0530, Dilip Kumar wrote:
> > Yeah right, actually I was confused, I assumed it will return the
> > start LSN of the record.  And I do not see any easy way to identify
> > the Start LSN of this record so maybe this solution will not work.  I
> > will have to think of something else.  Thanks for pointing it out.
>
> About that.  One thing to consider may be ReserveXLogInsertLocation()
> while holding the WAL insert lock, but you can just rely on
> ProcLastRecPtr for the job after inserting the REDO record, no?

Yeah right, we can use ProcLastRecPtr.  I will send the updated patch.

--
Regards,
Dilip Kumar
EnterpriseDB: http://www.enterprisedb.com