[Samba] Samba performance issues
John Coston
jcoston at u.washington.edu
Tue Sep 24 20:52:01 GMT 2002
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
On Tuesday, September 24, 2002, at 01:40 PM, Bradley W. Langhorst
wrote:
>
> On Tue, 2002-09-24 at 15:57, John Coston wrote:
>> 12:46pm up 2 days, 17:14, 3 users, load average: 20.24, 20.26,
>> 20.51
>> 129 processes: 106 sleeping, 23 running, 0 zombie, 0 stopped
>> CPU states: 36.1% user, 63.8% system, 0.0% nice, 0.0% idle
>> Mem: 3229040K av, 3166372K used, 62668K free, 0K shrd,
>
> i have about 20 users on a 900Mhz machine with 100G of storage (only
> 384M ram)
>
> i don't think it's ever been cpu bound as a result of samba activity.
>
> that 63.8% system seems out of whack...
> what is the disk subsystem?
>
> brad
>
>
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