On Thursday 07 June 2001 00:11, Jason Lim wrote: > 05:51:18 up 5 days, 22:38, 1 user, load average: 6.60, 7.40, 6.51 > 119 processes: 106 sleeping, 11 running, 2 zombie, 0 stopped > CPU states: 16.4% user, 18.3% system, 0.0% nice, 65.3% idle > Mem: 128236K total, 124348K used, 3888K free, 72392K buffers > Swap: 289160K total, 0K used, 289160K free, 9356K cached > > And of "qmail-qstat": > sh-2.05# qmail-qstat > messages in queue: 108903 > messages in queue but not yet preprocessed: 19537 > > Swap is on Disk 1, because mail queue/spool is on Disk 2. > > I also already added the "-" in front of most entries except the emergency > or critical ones (if I didn't do it, the load was way higher just writing > the log files). > > Concerning the mail queue and spool being on the same disk, the reason is > that there is virtually no emails incoming, 99.999% outgoing. > > About running software raid... I've heard that the CPU usage is increased > dramatically if you use any form of software raid. Is that true? > Actually... i doubt the customer would be willing to pay us to implement > this for him on a hardware level. Good raid cards with good amounts of ram > don't come cheap last time I checked... :-/
CPU usage isn't increased that much, and as you're only using 30% of the CPU time it shouldn't be problem if you use more anyway... Disk access is the main bottleneck, anything that alleviates it is something you want to do. -- http://www.coker.com.au/bonnie++/ Bonnie++ hard drive benchmark http://www.coker.com.au/postal/ Postal SMTP/POP benchmark http://www.coker.com.au/projects.html Projects I am working on http://www.coker.com.au/~russell/ My home page
