9fans archive / 2006 / 09 / 344 prev next
From: Francisco J Ballesteros <nemo@lsu...>
Subject: Why are some apps so slow?
Date: Sat, 23 Sep 2006 17:00:50 +0200
I mean, many times a program reads a small file once.
You have to open it, and once it has been read, you do not
want to read it again. Leaving it open would not help.
On 9/23/06, Russ Cox <rsc@swt...> wrote:
> > But in many cases the files read are small, and keeping the
> > fd open would not help. Just curiosity, anyway.
>
> Why wouldn't keeping the fd open help?
> It would get rid of the walk, open, and close,
> 3 of the 4 messages you were trying to get down to 1.
>
> Rsus
>
>