Hi,
I meant the "cat >> out.file < 1000byte.in" was done in a 1000 time loop.
#vmstat 1 (during inject test):
Virtual Memory Statistics: (pagesize = 8192)
procs memory pages intr cpu
r w u act free wire fault cow zero react pin pout in sy cs us sy id
2120 29 8705 18K 4026 1141 453 343 0 382 0 118 3K 1K 2 24 74
2120 31 8790 18K 3977 670 260 216 0 224 0 125 2K 1K 2 15 83
4119 29 8822 18K 3935 989 395 291 0 321 0 96 3K 1K 4 27 69
2120 30 8825 18K 3936 1030 418 309 0 375 0 118 3K 1K 2 27 71
2120 31 8856 18K 3953 1049 426 309 0 360 0 109 4K 1K 4 29 67
2120 30 8833 18K 3928 1231 501 354 0 436 0 121 2K 1K 3 22 75
4119 29 8836 18K 3932 667 258 216 0 221 0 120 2K 1K 2 18 80
256 Meg mem, Latest 10 Gig SCSI
-jim
>
> There is something very wrong here. Cat'ing two blocks of data should
> take milliseconds. Are you out of memory (does vmstat show paging?)?
> When your cat is << .1 seconds or so then rerun your tests. Wait a
> minute, did you run the cat WHILE you were trying to do the deliveries?
> If so, then that is about right as qmail is beating on your hard disk.
>
> Your qmail-inject seem like they are off by about a factor of 10 or less
> (since qmail-send isn't running), but that is just a swag (assuming
> about a hundred other things like a properly configured file system, no
> swapping/page stealing (sufficent memory), and a current-technology SCSI
> non-IDE drive).
>
> Jim Arnott wrote:
> >
> > Hi,
> >
> > I'm experimenting with qmail's throughput. It approximates what
> > we want to do with it. (send mail from a mail database through qmail-inject)
> > I want to see how fast qmail will queue messages.
> >
> > I have a ~433 Mhz Alpha.
> >
> > Experiment:
> >
> > script that runs qmail-inject 1000 times
> > with a 1000 byte body
> > Qmail-send is not running
> >
> > Result:
> > takes 73 seconds (13.7/sec)
> >
> > This seems a little slow to me. The system cpu is 70% idle.
> >
> > Same experiment with "cat >> out.file < 1000byte.in" takes 4 seconds.
> >
> > Is this normal ? Any ideas on how to speed it up.
> >
> > thanks,
> > -jim
>
> --
> Daemeon Reiydelle
> Systems Engineer, Anthropomorphics Inc.
> [EMAIL PROTECTED]