The problem, as I see it without using jails, is that the binaries are going to be installed in the same location as the 9.0 – unless I am not seeing something properly.
From: Gezeala M. Bacuño II [mailto:gezeala@gmail.com] Sent: Wednesday, May 01, 2013 3:38 PM To: Jim Mercer Cc: Benjamin Krajmalnik; pgsql-admin@postgresql.org Subject: Re: [ADMIN] Installing multiple instances of Postgred on one FreeBSD server
I used to do the ezjail route before but for ease, you can modify the setting "unix_socket_directory" on your postgresql.conf and have it point to another folder (default is /tmp) to have more than 1 instance listen on port 5432. Of course you need to add an alias IP for each instance and add that IP on your postgresql.conf "listen_addresses".
--
regards
gezeala bacuño II
On Wed, May 1, 2013 at 1:24 PM, Jim Mercer <jim@reptiles.org> wrote:
On Wed, May 01, 2013 at 02:21:44PM -0600, Benjamin Krajmalnik wrote: > So essentially we would have to run jails on this - does that affect > performance?
i would say minimal impact.
> > > -----Original Message----- > From: Jim Mercer [mailto:jim@reptiles.org] > Sent: Wednesday, May 01, 2013 2:20 PM > To: Benjamin Krajmalnik > Cc: pgsql-admin@postgresql.org > Subject: Re: [ADMIN] Installing multiple instances of Postgred on one > FreeBSD server > > On Wed, May 01, 2013 at 01:58:21PM -0600, Benjamin Krajmalnik wrote: > > I would like to install PG 9.2 on the same server and use Slony to > > replicate the databases, and once everything is up take the 9.0 > > cluster down. > > allocate a new ip to the server. > reconfigure/restart 9.0 to listen on the main IP (not "all" as default) > > use ezjail to create a freebsd jail on thenew IP > > install 9.2 in the jail > > treat it them as two servers. > > point clients at new ip. > > once migrated, delete all 9.0 from the main server. > > if you need to upgrade again, add another jail. > > stop and delete the old jail whe the next upgrade is complete. > > repeat as often as you want to upgrade. > > i'm pretty sure this can be adapted to linux, but i forget what their > jail equivilent is. > > the overhead is minimal > > > > -- > Jim Mercer Reptilian Research jim@reptiles.org +1 416 > 410-5633 > "He who dies with the most toys is nonetheless dead"
