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(usagi-users 02087) Re: Apache 2 and IPv6 on Linux/TCP_CORK problem (fwd)
- To: usagi-users@xxxxxxxxxxxxxx
- Subject: (usagi-users 02087) Re: Apache 2 and IPv6 on Linux/TCP_CORK problem (fwd)
- From: Yuji Sekiya <sekiya@xxxxxxxxxx>
- Date: Wed, 15 Jan 2003 15:26:48 +0900
- In-reply-to: <12140000.1039076230@gate.muc.bieringer.de>
- Organization: The University of Tokyo
- References: <12140000.1039076230@gate.muc.bieringer.de>
- Reply-to: usagi-users@xxxxxxxxxxxxxx
- User-agent: Wanderlust/2.8.1 (Something) SEMI/1.14.4 (Hosorogi) FLIM/1.14.4 (Kashiharajingū-mae) APEL/10.4 Emacs/21.2 (i386-pc-linux-gnu) MULE/5.0 (SAKAKI)
At Thu, 05 Dec 2002 09:17:10 +0100,
Peter Bieringer <pb@xxxxxxxxxxxx> wrote:
以前 usagi-users に流れた、IPv6 で setsockopt(TCP_CORK) が
うまく動かないというのは、どうやら確かです。
今 new moon + apache2 ではまりました。
何が悪いのか追ってますが、おそらくわからない可能性大。
-- Yuji Sekiya
> > Over the last couple of days, there has been a thread on
> > dev@xxxxxxxxxxxxxxxx and dev@xxxxxxxxxxxxxx regarding an apparent
> > problem with TCP_CORK and/or sendfile() with IPv6 on Linux.
> >
> > Here is a pointer:
> >
> > http://groups.yahoo.com/group/new-httpd/message/41403
> >
> > A couple of people with kernel 2.4.18 noticed that serious breakage.
> > Changing Apache to not use the TCP_CORK socket option around
> > sendfile() or not using sendfile() at all works around the problem.
> >
> > With 2.0.43, the work-around is to add "--without-sendfile" to the
> > Apache configure invocation (this is an APR option to pretend that
> > the system doesn't have sendfile). An option more specific to this
> > problem to avoid using TCP_CORK for IPv6 connections will likely be
> > added prior to 2.0.44.