| From: | "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com> |
|---|---|
| To: | "Scott Ribe" <scott_ribe(at)killerbytes(dot)com> |
| Cc: | pgsql <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: RAM is good! |
| Date: | 2008-12-07 17:14:43 |
| Message-ID: | dcc563d10812070914s47e21745p7a6fdf8537fb8e1f@mail.gmail.com |
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| Lists: | pgsql-general |
On Sun, Dec 7, 2008 at 10:00 AM, Scott Ribe <scott_ribe(at)killerbytes(dot)com> wrote:
> I know that my database is not that big (4-5GB), but I am shocked at how
> well it's performing during a RAID rebuild. For light use, the difference is
> hardly noticeable. Nothing like avoiding hitting the disk ;-)
Our db size is around 25G and we have 32 Gig of ram. We've had one
drive in our RAID-10 fail and didn't even notice it performance wise.
I'll never use RAID5 on a heavy working production db, as rebuilds and
degraded performance are just horrible.
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