From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael Sterrett <michael@sterretts.net>
Subject: Re: 3.10.0 network trace
Date: Sun, 21 Jul 2013 21:36:32 -0400
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To: Yuchung Cheng <ycheng@google.com>
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Since upgraded to 3.10.1 which exhibits the same issue (probably not
surprising).

sysctl net.ipv4.tcp_frto=0 net.ipv4.tcp_early_retrans=3 seems to take
care of it.