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From: Enrico Weigelt <weigelt@metux.de>
To: pgsql-admin@postgresql.org
Subject: Re: Virtualization vs. sharing a server
Date: Sat, 1 May 2010 18:28:54 +0200
Message-ID: <20100501162854.GB24971@nibiru.local> (raw)
In-Reply-To: <b1fec7231003290750n3326e86bs6521de808c7d504c@mail.gmail.com>
References: <b1fec7231003290750n3326e86bs6521de808c7d504c@mail.gmail.com>

* Ramiro Barreca <rbarreca@gmail.com> wrote:

> As Virtualiaztion is almost discarded after reading many articles that
> locate this option in the "don'ts-list", we want to know your experience (if
> any) about installing a PostgreSQL and a Firebird server in the same Linux
> server.

Depends on the kind of virtualization. As you're on Linux, you could
use OpenVZ: it has similar characteristics as chroot - it just separates
namespaces (eg. network interfaces, pids, etc) and allows different
limits (eg. maxprocs, maxfiles, maxmem, ...) on per-VZ basis.

BTW: my current customer already consolidated multiple formerly
dedicated mysql servers (in mass hosting) onto one metal (now we're 
building a system which allows moving individual databases around
in the cluster w/o being visible to the customer ...). The same
should be easily possible w/ PostgreSQL and other RDBM'es.


cu
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 Enrico Weigelt    ==   metux IT service - http://www.metux.de/
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 Please visit the OpenSource QM Taskforce:
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