Date: Thu, 27 Sep 2001 15:52:15 +0900 From: tsuchiya@flab.fujitsu.co.jp To: jayanth@yahoo-inc.com, tsuchiya@flab.fujitsu.co.jp Cc: net@FreeBSD.ORG, silby@silby.com Subject: Re: TCP performance question Message-ID: <200109270652.PAA03232@const.kawasaki.flab.fujitsu.co.jp>
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> This issue is a combination of mbuf cluster size and the
> TF_MORETOCOME flag.
> if (len) {
> if (len == tp->t_maxseg)
> goto send;
> if (!(tp->t_flags & TF_MORETOCOME) &&
> (idle || tp->t_flags & TF_NODELAY) &&
> (tp->t_flags & TF_NOPUSH) == 0 &&
> len + off >= so->so_snd.sb_cc)
> goto send;
When I changed the condition, the problem we had did not occur. I am wondering
what is the right fix.
Yoshi
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