From: | Karl DeBisschop <kdebisschop(at)range(dot)infoplease(dot)com> |
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To: | lamar(dot)owen(at)wgcr(dot)org |
Cc: | pgsql-admin(at)postgreSQL(dot)org |
Subject: | Re: [ADMIN] Is it possible to run multiple postmasters?h |
Date: | 2000-01-03 21:08:00 |
Message-ID: | 200001032108.QAA28365@skillet.infoplease.com |
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Lists: | pgsql-admin |
> As a note, the RedHat init scripts shipped with the RPM's are not
> intended for 'special' applications such as this one -- however, I am
> working on a more generalized setup in the RPM's where multiple
> postmasters, etc, could be started.
Yup. I had to do slightly more than trivial mods to get the init
script to work for the second postmaster.
> That rm -f is for cleanup purposes -- assuming a single postmaster, it
> works correctly. For multiple postmasters, it would need to be changed
> (assuming PGPORT= postmaster listen port):
> rm -f /tmp/.s.PGSQL.$(PGPORT) > /dev/null
Once I saw it, it's purpose was relatively clear - One big plus about the
redhat scripts is that their logic is pretty understandable.
> This way, the init script allows a postmaster to startup even if the
> restart is due to a system crash that would leave the .s.PGSQL.* files
> laying around.
Yup.
> I'm assuming that you have all the paths set correctly for each copy of
> the postmaster, so that the 6.5.1 postmaster isn't trying to start a
> 6.5.3 backend, right?
Hmmm. Very good point. Thanks.
Karl DeBisschop
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