Re: [HACKERS] make async slave to wait for lsn to be replayed - Mailing list pgsql-hackers

From Bharath Rupireddy
Subject Re: [HACKERS] make async slave to wait for lsn to be replayed
Date
Msg-id CALj2ACWNKB2fRwaah-jv5stZcisPcwOtsOZdz6+qQWtpG=or8g@mail.gmail.com
Whole thread Raw
In response to Re: [HACKERS] make async slave to wait for lsn to be replayed  (Alexander Korotkov <aekorotkov@gmail.com>)
Responses Re: [HACKERS] make async slave to wait for lsn to be replayed
List pgsql-hackers
On Mon, Apr 1, 2024 at 5:54 AM Alexander Korotkov <aekorotkov@gmail.com> wrote:
>
> > 9. To me the following query blocks even though I didn't mention timeout.
> > CALL pg_wal_replay_wait('0/fffffff');
>
> If your primary server is freshly initialized, you need to do quite
> data modifications to reach this LSN.

Right, but why pg_wal_replay_wait  blocks without a timeout? It must
return an error saying it can't reach the target LSN, no?

Did you forget to attach the new patch?

--
Bharath Rupireddy
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com



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