[Samba] Samba performance issues
John Coston
jcoston at u.washington.edu
Tue Sep 24 21:23:00 GMT 2002
here is the output of vmstat, iostat, and uname:
[root at foo root]# vmstat 1
procs memory swap io system
cpu
r b w swpd free buff cache si so bi bo in cs us
sy id
21 0 1 0 61384 148780 2763956 0 0 2 93 91 113
17 26 57
17 0 2 0 61384 148780 2763956 0 0 0 0 156 48
40 60 0
14 0 1 0 61384 148780 2763956 0 0 0 0 109 41
39 61 0
11 0 1 0 61376 148780 2763956 0 0 0 0 122 109
30 70 0
15 0 3 0 61368 148780 2763956 0 0 0 52 155 143
47 53 0
20 0 1 0 61368 148780 2763956 0 0 0 4 110 57
42 58 0
20 0 1 0 61368 148780 2763956 0 0 0 0 108 64
41 59 0
20 0 1 0 61368 148780 2763956 0 0 0 0 106 38
42 58 0
20 0 1 0 61368 148780 2763956 0 0 0 0 105 65
30 70 0
13 0 1 0 61368 148780 2763956 0 0 0 12 200 129
36 64 0
13 0 1 0 61368 148780 2763956 0 0 0 0 106 40
27 73 0
14 0 0 0 61368 148780 2763956 0 0 0 0 148 70
34 66 0
20 0 0 0 61368 148780 2763956 0 0 0 0 124 69
41 59 0
[root at foo root]# iostat 1
Linux 2.4.18-3 (student0) 09/24/2002
avg-cpu: %user %nice %sys %idle
16.71 0.00 26.26 57.02
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
dev8-0 11.84 2.25 185.49 541354 44584762
dev8-1 11.83 1.68 185.49 403090 44584762
avg-cpu: %user %nice %sys %idle
35.00 0.00 65.00 0.00
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
dev8-0 4.00 0.00 112.00 0 112
dev8-1 4.00 0.00 112.00 0 112
avg-cpu: %user %nice %sys %idle
49.00 0.00 51.00 0.00
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
dev8-0 0.00 0.00 0.00 0 0
dev8-1 0.00 0.00 0.00 0 0
avg-cpu: %user %nice %sys %idle
46.00 0.00 54.00 0.00
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
dev8-0 0.00 0.00 0.00 0 0
dev8-1 0.00 0.00 0.00 0 0
avg-cpu: %user %nice %sys %idle
36.00 0.00 64.00 0.00
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
dev8-0 0.00 0.00 0.00 0 0
dev8-1 0.00 0.00 0.00 0 0
avg-cpu: %user %nice %sys %idle
16.70 0.00 26.24 57.07
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
dev8-0 11.85 2.25 185.63 541354 44582090
dev8-1 11.84 1.68 185.63 403090 44582090
uname -a
Linux foo 2.4.18-3 #1 Thu Apr 18 07:37:53 EDT 2002 i686 unknown
Thanks!
On Tuesday, September 24, 2002, at 02:04 PM, Martin MOKREJŠ wrote:
> On Tue, 24 Sep 2002, John Coston wrote:
>
>> it's software RAID-1 using two fast wide scsi 36 gb discs. Filesystem
>> is ext3. We have one 30gb partition for share data, and the rest is
>> for
>> system and swap.
>> here is some of output from dmesg:
>>
>> md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27
>> md: Autodetecting RAID arrays.
>> <...>
>> scsi0 : sym53c8xx-1.7.3c-20010512
>> scsi1 : sym53c8xx-1.7.3c-20010512
>> blk: queue c3c57618, I/O limit 4095Mb (mask 0xffffffff)
>> Vendor: HP Model: 36.4GB C 80-8C32 Rev:
>> Type: Direct-Access ANSI SCSI revision: 02
>> blk: queue c3c57818, I/O limit 4095Mb (mask 0xffffffff)
>> Vendor: HP 36.4G Model: MAN3367MC Rev: HP04
>> Type: Direct-Access ANSI SCSI revision: 02
>> <...>
>>
>> I'm not too swift on filesystems and discs, so let me know if there is
>> more info you need & thanks
>
> include output of:
>
> vmstat 1
> iostat 1
> uname -a
>
> --
> Martin Mokrejs <mmokrejs at natur.cuni.cz>, <m.mokrejs at gsf.de>
> PGP5.0i key is at http://www.natur.cuni.cz/~mmokrejs
> MIPS / Institute for Bioinformatics <http://mips.gsf.de>
> GSF - National Research Center for Environment and Health
> Ingolstaedter Landstrasse 1, D-85764 Neuherberg, Germany
> tel.: +49-89-3187 3683 , fax: +49-89-3187 3585
>
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