Re: tcp bw in 2.6

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From: Wayne Scott
Date: Tuesday, October 2, 2007 - 1:42 pm

From: lm@bitmover.com (Larry McVoy)

OK attached are 4 raw tcpdumps of 1000 packets each.  One from the
start and one from steady state.

The slow set was done like this:

 on ia64:  netcat -l -p8888 > /dev/null
 on work:  netcat ia64 8888 < /dev/zero

 the traces were done of work with slow1 started right before the
 netcat on work was exectued.  And slow2 started after it acheved
 steady state at 18MB/s.

The fast set was done like this:

 on work:  netcat -l -p8888 > /dev/null
 on ia64:  netcat ia64 8888 < /dev/zero

 the traces were done of work with fast1 started right before the
 netcat on ia64 was exectued.  And fast2 started after it acheved
 steady state at 42MB/s.


-Wayne
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Messages in current thread:
Re: tcp bw in 2.6, Larry McVoy, (Mon Oct 1, 5:59 pm)
Re: tcp bw in 2.6, Linus Torvalds, (Mon Oct 1, 7:14 pm)
Re: tcp bw in 2.6, Larry McVoy, (Mon Oct 1, 7:20 pm)
Re: tcp bw in 2.6, David Miller, (Mon Oct 1, 8:50 pm)
Re: tcp bw in 2.6, Larry McVoy, (Mon Oct 1, 9:23 pm)
Re: tcp bw in 2.6, Herbert Xu, (Tue Oct 2, 3:52 am)
Re: tcp bw in 2.6, John Heffner, (Tue Oct 2, 8:06 am)
Re: tcp bw in 2.6, Larry McVoy, (Tue Oct 2, 8:09 am)
Re: tcp bw in 2.6, Larry McVoy, (Tue Oct 2, 8:41 am)
Re: tcp bw in 2.6, Larry McVoy, (Tue Oct 2, 9:25 am)
Re: tcp bw in 2.6, Linus Torvalds, (Tue Oct 2, 9:34 am)
Re: tcp bw in 2.6, Stephen Hemminger, (Tue Oct 2, 9:47 am)
Re: tcp bw in 2.6, Ben Greear, (Tue Oct 2, 9:48 am)
Re: tcp bw in 2.6, Larry McVoy, (Tue Oct 2, 9:48 am)
Re: tcp bw in 2.6, Larry McVoy, (Tue Oct 2, 9:49 am)
Re: tcp bw in 2.6, Stephen Hemminger, (Tue Oct 2, 10:10 am)
Re: tcp bw in 2.6, Larry McVoy, (Tue Oct 2, 10:11 am)
Re: tcp bw in 2.6, Rick Jones, (Tue Oct 2, 10:14 am)
Re: tcp bw in 2.6, Ben Greear, (Tue Oct 2, 10:18 am)
Re: tcp bw in 2.6, Larry McVoy, (Tue Oct 2, 10:20 am)
Re: tcp bw in 2.6, Larry McVoy, (Tue Oct 2, 10:21 am)
Re: tcp bw in 2.6, Stephen Hemminger, (Tue Oct 2, 10:54 am)
Re: tcp bw in 2.6, Rick Jones, (Tue Oct 2, 11:01 am)
Re: tcp bw in 2.6, John Heffner, (Tue Oct 2, 11:29 am)
Re: tcp bw in 2.6, Larry McVoy, (Tue Oct 2, 11:35 am)
Re: tcp bw in 2.6, Larry McVoy, (Tue Oct 2, 11:40 am)
Re: tcp bw in 2.6, Larry McVoy, (Tue Oct 2, 12:07 pm)
Re: tcp bw in 2.6, Linus Torvalds, (Tue Oct 2, 12:27 pm)
Re: tcp bw in 2.6, Linus Torvalds, (Tue Oct 2, 12:29 pm)
Re: tcp bw in 2.6, Larry McVoy, (Tue Oct 2, 12:33 pm)
Re: tcp bw in 2.6, Rick Jones, (Tue Oct 2, 12:47 pm)
Re: tcp bw in 2.6, Rick Jones, (Tue Oct 2, 12:53 pm)
Re: tcp bw in 2.6, John Heffner, (Tue Oct 2, 12:53 pm)
Re: tcp bw in 2.6, Larry McVoy, (Tue Oct 2, 1:14 pm)
Re: tcp bw in 2.6, David Miller, (Tue Oct 2, 1:31 pm)
Re: tcp bw in 2.6, David Miller, (Tue Oct 2, 1:33 pm)
Re: tcp bw in 2.6, Rick Jones, (Tue Oct 2, 1:40 pm)
Re: tcp bw in 2.6, Wayne Scott, (Tue Oct 2, 1:42 pm)
Re: tcp bw in 2.6, Roland Dreier, (Tue Oct 2, 1:44 pm)
Re: tcp bw in 2.6, David Miller, (Tue Oct 2, 2:16 pm)
Re: tcp bw in 2.6, Larry McVoy, (Tue Oct 2, 2:21 pm)
Re: tcp bw in 2.6, Larry McVoy, (Tue Oct 2, 2:26 pm)
Re: tcp bw in 2.6, David Miller, (Tue Oct 2, 2:32 pm)
Re: tcp bw in 2.6, David Miller, (Tue Oct 2, 2:47 pm)
Re: tcp bw in 2.6, Linus Torvalds, (Tue Oct 2, 2:56 pm)
Re: tcp bw in 2.6, Rick Jones, (Tue Oct 2, 3:17 pm)
Re: tcp bw in 2.6, David Miller, (Tue Oct 2, 3:32 pm)
Re: tcp bw in 2.6, Larry McVoy, (Tue Oct 2, 3:36 pm)
Re: tcp bw in 2.6, Rick Jones, (Tue Oct 2, 3:59 pm)
Re: tcp bw in 2.6, Bill Fink, (Wed Oct 3, 12:19 am)
Re: tcp bw in 2.6, David Miller, (Wed Oct 3, 1:02 am)
Re: tcp bw in 2.6, Pekka Pietikainen, (Wed Oct 3, 2:13 pm)
Re: tcp bw in 2.6, Larry McVoy, (Wed Oct 3, 2:23 pm)
Re: tcp bw in 2.6, Pekka Pietikainen, (Wed Oct 3, 2:50 pm)
Re: tcp bw in 2.6, Daniel Schaffrath, (Mon Oct 15, 5:40 am)
Re: tcp bw in 2.6, Stephen Hemminger, (Mon Oct 15, 8:49 am)