Re: Speed / Server - Mailing list pgsql-performance

From Scott Marlowe
Subject Re: Speed / Server
Date
Msg-id dcc563d10910061335j55b01f12h59ee06ef8ad56b38@mail.gmail.com
Whole thread Raw
In response to Re: Speed / Server  (Karl Denninger <karl@denninger.net>)
List pgsql-performance
On Tue, Oct 6, 2009 at 1:59 PM, Karl Denninger <karl@denninger.net> wrote:
>
> More importantly when you run out of I/O bandwidth "bad things" tend to
> happen very quickly; the degradation of performance when you hit the IO wall
> is extreme to the point of being essentially a "zeropoint event."

Or as I like to put it IO bandwidth has sharp knees.

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