Re: ZFS melting under postgres...

From: Ivan Voras <ivoras_at_freebsd.org>
Date: Sun, 16 Dec 2007 15:57:53 +0100
On 16/12/2007, Dag-Erling Smørgrav <des_at_des.no> wrote:
> Ivan Voras <ivoras_at_freebsd.org> writes:
> > These are all "normal" CompactFlash cards, for which the widely
> > available size seems to be 16 GB max, right?
>
> So?  That's more than enough for a ZFS intent log (as a rule of thumb,
> the ZIL should be half the size of the server's RAM).

Why do you consider ZIL to be a good candidate for putting on a SSD?
Isn't it sequential-access mostly?

> > Did you (or anyone) deploy CF drives for production servers?
>
> My router (and DNS, NTP and DHCP server) is a net4801 with a 1 GB CF
> chip.

Ok, these are probably embedded appliances that don't get much storage
traffic. I was thinking about different kind of servers - database,
web or file servers.
Received on Sun Dec 16 2007 - 13:57:55 UTC

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