Re: Increase disk cache and buffers in 5.3?
From: Duh Duh (keepitall_at_1spam.biz)
Date: 03/17/05
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Date: Thu, 17 Mar 2005 05:18:22 GMT
"Steve O'Hara-Smith" <steveo@eircom.net> wrote in message
news:20050316170145.2c9e85e2.steveo@eircom.net...
> On Wed, 16 Mar 2005 16:33:46 GMT
> "ONE_TRIGGER" <allofit@vwars.com> wrote:
>
>> OK I set that and now individual workstations burst up as high as 9mbit!
>> Wow. Now I think I am I/O bound.
>
> Run systat -v on the server and you'll soon see how hard you are
> hitting the discs.
Two disks on the system:
ad0 79% busy
ad1 86% busy
These seems pretty stable as I watched it off and on all during the day.
They stayed around those numbers.
The transactions per seconds stays high (140-200) average.
But the KB/t is small 8.3 - 11.2 on average.
Lots of small reads all over the place. But the disk is handling it so far.
On another freebsd box with a raid controller I am seeing:
57% busy
70-88 tps
1.1 - 4.0 MB/s
This box is not as heavily used, but has a lot more ram, and the hardware
RAID with SCSI-3 disks.
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