On Mon, Dec 28, 2009 at 2:04 AM, Shawn Walker <[email protected]> wrote:
> image-update from 129 -> 130 using gate tip bits:
>
> URL Good Err Conn Speed Size Used CSpeed
> Qual
> pkg-na-2.opensolaris.org 23264 0 5 518 kB/s 416.25 MB True 0.088275
> 50
Here's what I see...
URL Good Err Conn Speed Size Used CSpeed Qual
pkg-na-2.opensolaris.org 117 0 2 43 kB/s 696.68 kB True
1.863239 -29217
pkg.sun.com 161 0 16 80 kB/s 62.20 MB True 0.087710 32
pkg.opensolaris.org 24688 0 22 60 kB/s 436.34 MB True 0.088523 63
192.168.1.102 0 23 0 0 B/s 0.00 B True 0.000000 -6571
Prior to starting this I created flows corresponding to
pkg.opensolaris.org and pkg-na-2.
# flowadm add-flow -l ath0 -a remote_ip=192.9.76.17 na2
# flowadm add-flow -l ath0 -a remote_ip=72.5.123.21 pkg
Then I captured the output with something similar to
# flowadm show-flow -i 1 -s pkg | tee /var/tmp/pkg
# flowadm show-flow -i 1 -s na2 | tee /var/tmp/na-2
Then a bit of post-processing shows more informative throughput data.
Note that there are large amounts of time when no network activity is
happening and I exclude those. The columns below are number of KB/s
(0 -> 0 - 99; 100 -> 100 -> 199, ...), number of occurrences, and a
histogram of number of occurrences
# nawk '$1 != "FLOW" && $3 != 0 {printf "%d\n", $3 / 100000}' \
/var/tmp/pkg | sort -n | uniq -c \
| perl -nle 'split(/\s+/);
printf "%4d %3d %s\n", $_[2] *100, $_[1], ("*" x ($_[1] / 10))'
0 540 ******************************************************
100 289 ****************************
200 204 ********************
300 198 *******************
400 169 ****************
500 145 **************
600 115 ***********
700 79 *******
800 29 **
900 18 *
1000 11 *
1100 4
1200 1
1300 1
The same for pkg-na-2:
0 8
100 1
400 1
Note that in the past I have noticed my bandwidth being throttled for
large (e.g. .iso image) downloads. I have not analyzed the collected
data to see if that happened here or not.
--
Mike Gerdts
http://mgerdts.blogspot.com/
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