Hello! On Mon, Sep 27, 2010 at 03:17:59PM +0200, Andre Oppermann wrote:
> On 27.09.2010 10:12, Maxim Dounin wrote: > >Hello! > > > >On Mon, Sep 13, 2010 at 09:24:53PM +0400, Maxim Dounin wrote: > > > >[...] > > > >>Andre, could you please take a look at one more patch as well? > >> > >>Igor reported that it still sees 100ms delays with rfc3465 turned > >>on, and it turns out to be similar issue (setting cwnd to 1*MSS) > >>for hosts found in hostcache. > >> > >>The problem with setting cwnd from hostcache was already reported > >>here: > >> > >>http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/92690 > >>http://lists.freebsd.org/pipermail/freebsd-net/2007-July/014780.html > >> > >>As using larger cwnd from hostcache may cause problems on > >>congested links (see second thread) I changed code to only use > >>cached cwnd as an upper bound for cwnd (instead of fixing current > >>code). This is also in-line with what we do on connection > >>restarts. > >> > >>We may later consider re-adding usage of larger cwnd from > >>hostcache. But I believe it should be done carefully and > >>probably behind sysctl, off by default. > > > >Ping. > > Thanks for the reminder. I'll disable priming CWND from hostcache. Ping again. I would like to see the patch in question[1] committed and MFC'ed somewhere before 8.2. Andre, if you are just too busy to do it yourself - please say so, I'll ask somebody else to commit it. [1] http://lists.freebsd.org/pipermail/freebsd-net/2010-September/026418.html Maxim Dounin _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
