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Re: Vacuum Problems

From: "Rafael Domiciano" <rafael(dot)domiciano(at)gmail(dot)com>
To: "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com>
Cc: "Matthew T(dot) O'Connor" <matthew(at)zeut(dot)net>, "Rafael Martinez" <r(dot)m(dot)guerrero(at)usit(dot)uio(dot)no>, "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org>
Subject: Re: Vacuum Problems
Date: 2008-12-08 16:29:02
Message-ID: 3a0028490812080829t1f485ec3g66626e8c4e2b610c@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-admin
1 Drive Only. This server has no RAID.Do you think that the I/O is very high
and I'm needing a RAID?!

2008/12/8 Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>

> On Mon, Dec 8, 2008 at 9:11 AM, Rafael Domiciano
> <rafael(dot)domiciano(at)gmail(dot)com> wrote:
> > How I do to see my I/O subsystem? vmstat? If so, follow:
>
> No, I mean, how many drives do you have, what kind of RAID controller,
> if any, how they're configured, and so on.  :)  Sorry wasn't really
> clear there was I?
>
> The vmstat numbers are horrible by the way, assuming they're in 1k
> blocks, you're reading and writing at < 1 Meg a second.  It almost
> looks like a degraded RAID-5 array.
>

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