Re: postgresql in FreeBSD jails: proposal

Re: postgresql in FreeBSD jails: proposal

am 17.01.2008 06:52:50 von scrappy

mischa_sandberg@telus.net (Mischa Sandberg) writes:

>Unfortunately, with multiple jails running PG servers and (due to app
>limitations) all servers having same PGPORT, you get the situation that
>when jail#2 (,jail#3,...) server comes up, it:
>- detects that there is a shm seg with ipc key 5432001
>- checks whether the associated postmaster process exists (with kill -0)
>- overwrites the segment created and being used by jail #1

Easiest fix: change the UID of the user running the postmaster (ie. pgsql) so
that each runs as a distinct UID (instead of distinct PGPORT) ... been doing
this since moving to FreeBSD 6.x ... no patches required ...
--
----
Marc G. Fournier Hub.Org Networking Services (http://www.hub.org)
Email . scrappy@hub.org MSN . scrappy@hub.org
Yahoo . yscrappy Skype: hub.org ICQ . 7615664

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