Gentoo Archives: gentoo-user

From: banym tuxaner <banym.tuxaner@××××××××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Performance with sata
Date: Thu, 28 Jun 2007 09:51:18
Message-Id: 5158e0dd0706280245h7c6b6661n15dfdc90134286ec@mail.gmail.com
In Reply to: Re: [gentoo-user] Performance with sata by "Hemmann
1 Now i arrived at 60mb/sec using ext2 as filesystem.
2 That's better.
3
4 ext3 has too much overhead ...
5
6 the system is used to virtualise 4-5 machines with xen so i/o is an big
7 problem.
8
9
10
11
12 2007/6/28, Hemmann, Volker Armin <volker.armin.hemmann@××××××××××××.de>:
13 >
14 > On Donnerstag, 28. Juni 2007, banym tuxaner wrote:
15 > > Hi,
16 > >
17 > > i want to rise the performance on an mcp55 chip.
18 > >
19 > > i became realy bad performance datas by testing the harddisks with
20 > > bonnie++. i is not possible to have 36m/s on a sata2 controller and
21 > > harddisks. someone who knows something about problems or some
22 > configuration
23 > > tricks ?
24 > >
25 >
26 > what is wrong with 36mb/sec?
27 >
28 > 100mb or 150mb/sec are peak numbers only reached when the disk-cache is
29 > hit.
30 >
31 > And when you have fragmented data something like 5mb/sec sustained is hard
32 > to
33 > achieve .
34 > --
35 > gentoo-user@g.o mailing list
36 >
37 >

Replies

Subject Author
Re: [gentoo-user] Performance with sata "Hemmann
Re: [gentoo-user] Performance with sata "Björn Ottervik" <bjorn.ottervik@×××××.com>