linux-kernel - Re: Linux disk performance.

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Message-ID: <652016d30612212130v433b4e70uc2148278c7ee7198@mail.gmail.com>
Date:	Fri, 22 Dec 2006 11:15:14 +0545
From:	"Manish Regmi" <regmi.manish@...il.com>
To:	"Bhanu Kalyan Chetlapalli" <chbhanukalyan@...il.com>
Cc:	kernelnewbies@...linux.org, linux-kernel@...r.kernel.org
Subject: Re: Linux disk performance.

On 12/22/06, Bhanu Kalyan Chetlapalli <chbhanukalyan@...il.com> wrote:
>
> I am assuming that your program is not seeking inbetween writes.
>
> Try disabling the Disk Cache, now-a-days some disks can have as much
> as 8MB write cache. so the disk might be buffering as much as it can,
> and trying to write only when it can no longer buffer. Since you have
> an app which continously write copious amounts of data, in order,
> disabling write cache might make some sense.
>

Thanks  for the suggestion but the performance was terrible when write
cache was disabled.

-- 
---------------------------------------------------------------
regards
Manish Regmi

---------------------------------------------------------------
UNIX without a C Compiler is like eating Spaghetti with your mouth
sewn shut. It just doesn't make sense.
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