On 6/25/06, Nikolas Britton <[EMAIL PROTECTED]> wrote:
On 6/25/06, Sean Bryant <[EMAIL PROTECTED]> wrote:
> /dev/zero not exactly the best way to test sending data across the
> network. Especially since you'll be reading a 8k chunks.
>
> I could be wrong, strong possibility that I am. I only got 408mb when
> doing a /dev/zero test. I've managed to saturate though. Using other
> software that I wrote.
> On 6/25/06, Nikolas Britton <[EMAIL PROTECTED]> wrote:
> > What's up with my computer, it's only getting 30MB/s?
> >
> > hostB: nc -4kl port > /dev/null
> > hostA: nc host port < /dev/zero
> >
408MByte/s or 408Mbit/s and what measuring stick are you using? I'm
trying to rule in/out problems with the disks, I'm only getting
~25MB/s on a 6 disk RAID0 over the network... would it be better to
setup an memory backed disk, md(4) , to read from?
Now I'm getting 523.2Mbit/s (65.4MB/s) with netcat, I wiped out the
FreeBSD 6.1/amd64 install with FreeBSD 6.1/i386... and...
After a kernel rebuild (recompiled nc too):
CPUTYPE?=athlon-mp
CFLAGS+= -mtune=athlon64
COPTFLAGS+= -mtune=athlon64
I'm up to 607.2Mbit/s (75.9MB/s). What else can I do to get that
number higher, and how can I get interrupts lower?
Before recompile:
load averages: 0.94, 0.91, 0.66
CPU states: 2.6% user, 0.0% nice, 21.5% system, 64.6% interrupt, 11.3% idle
-------------------
After recompile:
load averages: 0.99, 0.96, 0.76
CPU states: 3.0% user, 0.0% nice, 33.7% system, 58.2% interrupt, 5.1% idle
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