On 2012-11-13, François Beausoleil <francois@teksol.info> wrote:
> Hi!
>
> I've found an old thread on OpenVZ:
>
> (2008): http://archives.postgresql.org/pgsql-performance/2008-03/msg00076.php
>
> And a more recent question that scared me a bit:
>
> (2011): http://serverfault.com/questions/281783/running-mongodb-with-openvz
>
> On the PostgreSQL general mailing list, I've only found 54 results when searching for OpenVZ. I'm wondering if OpenVZ
issimply unpopular, or not used at all for PG. What experiences do you have with OpenVZ? Any performance problems?
>
> We're buying bare metal to run our clusters on, and the supplier is late delivering the machines. They suggested
lendingus a machine and run PostgreSQL under OpenVZ. When the real hardware is ready, we'd migrate the VZ over to the
newphysical servers. Thoughts on this?
>
> I have no experience with OpenVZ itself, so if you have general
> comments about it's stability and/or performance, even unrelated to
> PostgreSQL, I'd appreciate.
We run several database clusters under openvz. I have nothing to report.
openvz is pseudo-virtualisation. All the processes run under the
host kernal and appear in the proc-table, and use the host systems
filesystem and device drivers. they just see different filesystems
and resource limits according to their vz.
this basically means running the clusters under openvz is not
radically different from running them all on the host system
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