Re: Teaching pg_receivexlog to follow timeline switches
Phil Sorber <phil@omniti.com>
From: Phil Sorber <phil@omniti.com>
To: Heikki Linnakangas <hlinnakangas@vmware.com>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2013-01-21T15:58:22Z
Lists: pgsql-hackers
On Fri, Jan 18, 2013 at 7:55 AM, Heikki Linnakangas <hlinnakangas@vmware.com> wrote: > On 18.01.2013 06:38, Phil Sorber wrote: >> Is it possible to re-use walreceiver code from the backend? >> >> I was thinking that it would actually be very useful to have the whole >> replication functionality modularized and in a standalone binary that >> could act as a replication proxy and WAL archiver that could run >> without all the overhead of an entire PG instance > > > There's much sense in trying to extract that into a stand-along module. > src/bin/pg_basebackup/receivelog.c is about 1000 lines of code at the > moment, and it looks quite different from the corresponding code in the > backend, because it doesn't have all the backend infrastructure available. > > - Heikki That's fair. What do you think about the idea of a full WAL proxy? Probably not for 9.3 at this point though.