[OpenAFS] File systems on Linux, again. Numbers

[Jerry Normandin]

Cool!  Your file create times are on par with NFS.=20

I am planning on starting to upgrade servers today.

-----Original Message-----
From: openafs-info-admin@openafs.org
[mailto:openafs-info-admin@openafs.org] On Behalf Of Martin Ginkel
Sent: Monday, December 03, 2007 3:25 PM
To: openafs-info@openafs.org
Subject: Re: [OpenAFS] File systems on Linux, again. Numbers

On Friday 30 November 2007 02:52:06 pm Jerry Normandin wrote:
> AFS on EXT3?  No there are Metadata issues.  EXT3 was intended for
this.
> I inherited a mess here that I am fixing.  My predecessor built is
using
> Ext3 for the /vicepa filesystems.  It takes a hell of a long time to
> create,
> Delete, or rename files.  I tested with Bonnie++... here are my stats:
>
> Initial file performance baselines taken from ENG02 with 4096kbyte
> cache:
>
> > recommendation for which file system to use on Linux AFS file
servers.
> > Ext3, XFS, JFS, something else?

Here are my numbers:
Boundary-conditions:
 Client: 5G disk cache (ext2) openafs 1.4.5 Core Duo 2.7GHz
    Bonnie++ with 4G files
 Server: openafs 1.4.5 on 2x Dual Xeon 3.2
Disk: Dell Perc 4 Raid 5=20
Connection via switched 1Gbit Ethernet, 0.125ms Roundtrip

server partitions:
EXT3:
Version 1.01d       ------Sequential Output------ --Sequential Input-
--Random-
                    -Per Chr- --Block-- -Rewrite- -Per Chr- --Block--
--Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP
/sec %CP
pc533            4G  7615  39  7362  36  4607  31 12005  14  8932   1
36.5  18
                    ------Sequential Create------ --------Random
Create--------
                    -Create-- --Read--- -Delete-- -Create-- --Read---
-Delete--
              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
/sec %CP
                 16   717  38  6705  80  1079  33   743  38  2735  55
1269  27

XFS:
Version 1.01d       ------Sequential Output------ --Sequential Input-
--Random-
                    -Per Chr- --Block-- -Rewrite- -Per Chr- --Block--
--Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP
/sec %CP
pc533            4G  7575  43  7393  40  4650  33 11804  13  8949   1
37.9  21
                    ------Sequential Create------ --------Random
Create--------
                    -Create-- --Read--- -Delete-- -Create-- --Read---
-Delete--
              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
/sec %CP
                 16   659  35  6738  82  1000  30   695  36  2711  55
1172  24

REISER:
Version 1.01d       ------Sequential Output------ --Sequential Input-
--Random-
                    -Per Chr- --Block-- -Rewrite- -Per Chr- --Block--
--Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP
/sec %CP
pc533            4G  7552  39  7599  36  4645  31 11817  13  8784   1
37.6  20
                    ------Sequential Create------ --------Random
Create--------
                    -Create-- --Read--- -Delete-- -Create-- --Read---
-Delete--
              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
/sec %CP
                 16   679  34  6670  83  1048  33   721  38  2697  53
1072  22

	HTH
	Martin
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