From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 In-Reply-To: References: Date: Sun, 10 May 2015 19:57:08 +0200 Message-ID: From: David du Colombier <0intro@gmail.com> To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Content-Type: text/plain; charset=UTF-8 Subject: Re: [9fans] fossil+venti performance question Topicbox-Message-UUID: 50f04c4a-ead9-11e9-9d60-3106f5b1d025 >> however, after fixing things so the initial cwind isn't hosed, i get a little better story: > > so, actually, i think this is the root cause. the intial cwind is misset for loopback. > i but that the symptom folks will see is that /net/tcp/stats shows fragmentation when > performance sucks. evidently there is a backoff bug in sources' tcp, too. What is your cwind change? -- David du Colombier