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Open Source and information security mailing list archives
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Date: Sun, 09 Mar 2014 06:39:46 -0700 From: Eric Dumazet <eric.dumazet@...il.com> To: Ming Chen <v.mingchen@...il.com> Cc: netdev@...r.kernel.org, Erez Zadok <ezk@....cs.sunysb.edu>, Dean Hildebrand <dhildeb@...ibm.com>, Geoff Kuenning <geoff@...hmc.edu> Subject: Re: [BUG?] ixgbe: only num_online_cpus() of the tx queues are enabled On Sun, 2014-03-09 at 01:47 -0500, Ming Chen wrote: > Thanks for the patch. I forgot to mention that excessively big cwnd > (or bufferbloat) does play a part in Hash-Cast. We found that using > TCP Vegas does not show unfairness even in the presence of hash > collision among TCP flows. Comparing Vegas and Cubic, we found that > Vegas has a much smaller cwnd. Of course, Vegas is delay based. It does not need to increase cwnd to insane values. Problem is it does not compete well in presence of non Vegas flows. And unfortunately, Internet is filled by non Vegas flows. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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