Re: Raid 10 chunksize

Matthew Wakeling <matthew@flymine.org>

From: Matthew Wakeling <matthew@flymine.org>
To: "pgsql-performance@postgresql.org" <pgsql-performance@postgresql.org>
Date: 2009-04-01T17:01:18Z
Lists: pgsql-performance
On Wed, 1 Apr 2009, Stef Telford wrote:
>    Good UPS, a warm PITR standby, offsite backups and regular checks is
> "good enough" for me, and really, that's what it all comes down to.
> Mitigating risk and factors into an 'acceptable' amount for each person.
> However, if you see over a 2x improvement from turning write-cache 'on'
> and have everything else in place, well, that seems like a 'no-brainer'
> to me, at least ;)

In that case, buying a battery-backed-up cache in the RAID controller 
would be even more of a no-brainer.

Matthew

-- 
 If pro is the opposite of con, what is the opposite of progress?