Re: Hardware for PostgreSQL

From: Jurgen Haan <jurgen(at)easyflex(dot)nl>
To: Ketema <ketema(at)gmail(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Hardware for PostgreSQL
Date: 2007-11-02 14:05:13
Message-ID: 472B2E99.7090605@easyflex.nl
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Ketema wrote:

> RAM? The more the merrier right? Understanding shmmax and the pg
> config file parameters for shared mem has to be adjusted to use it.
> Disks? standard Raid rules right? 1 for safety 5 for best mix of
> performance and safety?
> Any preference of SCSI over SATA? What about using a High speed (fibre
> channel) mass storage device?

You might also check out NETAPP NAS arrays.
Due to clever use of a big memory buffer and a custom filesystem on a
RAID-4 array it has performance comparable to a big RAM disk connected
through NFS.

Works quite well with OLTP (at least for us).

>
> Who has built the biggest baddest Pg server out there and what do you
> use?
>
> Thanks!
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 5: don't forget to increase your free space map settings

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