Date: Sun, 15 Dec 2002 22:30:08 -0800 From: Kevin Stevens <Kevin_Stevens@pursued-with.net> To: =?ISO-8859-1?Q?Rapha=EBl_Ding=E9?= <raphael.dinge@ohmforce.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: X over ethernet is too much slow... Message-ID: <D216B8F8-10BF-11D7-86CE-003065715DA8@pursued-with.net> In-Reply-To: <27AF90DA-10BA-11D7-961E-00039312D14E@ohmforce.com>
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On Sunday, Dec 15, 2002, at 21:49 US/Pacific, Rapha=EBl Ding=E9 wrote: > I've been using another configuration where I switched from ssh to a=20= > complete xdcmp system. > Loading of pictures is very faster now, in rt2_demo it is quick, so in=20= > normal desktop environment it is quite perfect. > > I found that increasing sendspace & rscvspace for tcp in sysctl.conf=20= > did not change anything, and my thought is that it's got something to=20= > be with udp/tcp. > > Any thoughts on what could affect X performance so much with tcp ? > Did I misconfigured something ? X is subject to bad coding. If one of the elements on your desktop is=20= set to update, say, 100 times/second, it can seriously affect overall=20 refresh rates. You may need to take a protocol analyzer to the link to establish=20 what's really going on in the conversation. Hacking around in the=20 ethernet settings isn't liable to buy you much in your scenario. KeS To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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