Date: Tue, 26 Apr 2005 12:59:12 -0400 From: Bill Moran <wmoran@potentialtech.com> To: "Marc G. Fournier" <scrappy@hub.org> Cc: freebsd-stable@freebsd.org Subject: Re: PostgreSQL in FreeBSD jails Message-ID: <20050426125912.01419be7.wmoran@potentialtech.com> In-Reply-To: <20050426135528.R32711@ganymede.hub.org> References: <426E5713.3010906@eurocom.od.ua> <20050426110923.3edf8a2e.wmoran@potentialtech.com> <20050426135528.R32711@ganymede.hub.org>
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"Marc G. Fournier" <scrappy@hub.org> wrote: > On Tue, 26 Apr 2005, Bill Moran wrote: > > > Alexander Rusinov <boot@eurocom.od.ua> wrote: > >> Hi, > >> > >> I need to run a number of PostgreSQL servers in different FreeBSD jails. > >> I managed to run a first instance of PostgreSQL server in a jail, but > >> after I launch a new server in another jail the first one starts to > >> return an error messages like the following: > >> > >> semctl(1507328, 4, SETVAL, 0) failed: Invalid argument > >> > >> The problem in general is: only one instance of PostgreSQL server > >> processes clients' connections, all of the others return semctl errors. > > > > I had this exact same problem. I never found a solution. The cause > > appears to be that, since shared memory is not segregated between jails, > > the newly launched Postgres instances corrupt the shared memory of > > previously running Postgres instances. > > I'm running 9 jails on a server right now, each with their own instance: <snip> > and never noticed any issues ... but, this is with 4.11, not 5.x, so maybe > something has changed? I was running 5.2 when I had the problems. So it's possible that this guess is correct. -- Bill Moran Potential Technologies http://www.potentialtech.com
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