| From: | Michael Paquier <michael(at)paquier(dot)xyz> |
|---|---|
| To: | Asim Praveen <pasim(at)vmware(dot)com> |
| Cc: | PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org>, "Hao Wu (Pivotal)" <hawu(at)pivotal(dot)io> |
| Subject: | Re: Unnecessary delay in streaming replication due to replay lag |
| Date: | 2020-08-09 08:41:15 |
| Message-ID: | 20200809084115.GC17986@paquier.xyz |
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| Thread: | |
| Lists: | pgsql-hackers |
On Sun, Aug 09, 2020 at 05:54:32AM +0000, Asim Praveen wrote:
> I would like to revive this thready by submitting a rebased patch to
> start streaming replication without waiting for startup process to
> finish replaying all WAL. The start LSN for streaming is determined
> to be the LSN that points to the beginning of the most recently
> flushed WAL segment.
>
> The patch passes tests under src/test/recovery and top level “make check”.
I have not really looked at the proposed patch, but it would be good
to have some documentation.
--
Michael
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