Messages in this thread | | | Date | Thu, 20 Jan 2000 17:22:12 -0700 (MST) | From | Jason Gunthorpe <> | Subject | Re: Interesting analysis of linux kernel threading by IBM |
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On Thu, 20 Jan 2000, Larry McVoy wrote:
> This is a completely unsubstatiated statement. OK, everyone, do this: > > $ vmstat > load free cach swap pgin pgou dk0 dk1 dk2 dk3 ipkt opkt int ctx usr sys idl > 0.00 4.3 96.9 0.4 0 0 0 0 0 0 0 0 104 53 0 3 97 > > Those people with the load field higher than 10, please tell us what you are > doing.
Hum, its not quite 10 right now (and hopefully won't be again soon) It did hit 40 the other day mind you:
saens{jgg}~#vmstat procs memory swap io system cpu r b w swpd free buff cache si so bi bo in cs us sy id 4 3 0 3396 1628 14816 127560 0 0 1 1 0 2 1 1 2 saens{jgg}~#ps aux | wc -l 182 saens{jgg}~#w 7:00pm up 187 days, 2:36, 1 user, load average: 6.34, 4.39, 3.29 saens{jgg}~#procinfo Linux 2.2.10-ac10 (root@saens) (gcc 2.7.2.3) #2 1CPU [saens.(none)]
Memory: Total Used Free Shared Buffers Cached Mem: 258164 255652 2512 198252 5904 117388 Swap: 118448 3396 115052
Bootup: Sat Jul 17 17:23:25 1999 Load average: 6.21 5.16 3.73 1/188 22237
user : 22d 11:50:33.70 12.0% page in :3070841179 disk 1: 937666119r291450156w nice : 3:33:00.93 0.1% page out:491514704 system: 16d 7:50:14.17 8.7% swap in : 568142 idle : 148d 3:25:23.25 79.2% swap out: 32739 uptime: 187d 2:39:11.89 context :2308759798
This machine is ftp.debian.org - two days ago it sent out a more than 180G of traffic (145G via FTP, rest HTTP/rsync) over a 1 day period. Which is what, 1/7th the size of cdrom.com? We run Apache and wu-ftpd (though we switched to proftpd two days ago..) Machine is PII-350, 256Meg ram and a 3x9G RAID5 on a ICP Vortex RAID controller
The biggest load generator is really rsync, followed by proftpd, both when they do ls -LR's :< I don't get a feeling that schedualing is a big concern here.
Enjoy, Jason
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