linux-kernel - Re: [omega-g1:10937] Re: [PATCH] net: configurable sysctl parameter "net.core.tcp_lowat" for sk_stream_min

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Date:	Fri, 19 Aug 2011 02:43:26 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jun.kondo@...-g.co.jp
Cc:	linux-kernel@...r.kernel.org, omega-g1@...-g.co.jp,
	notsuki@...hat.com, motokazu.kozaki@...com, htaira@...hat.com,
	netdev@...r.kernel.org, tomohiko.takahashi@...-g.co.jp,
	kotaro.sakai@...-g.co.jp, ken.sugawara@...-g.co.jp
Subject: Re: [omega-g1:10937] Re: [PATCH] net: configurable sysctl
 parameter "net.core.tcp_lowat" for sk_stream_min_wspace()

From: "Jun.Kondo" <jun.kondo@...-g.co.jp>
Date: Fri, 19 Aug 2011 18:28:45 +0900

> You suggested to use non-blocking writes, but we think
> we have to rewrite the Apache code if doing so.
> That is, we have to make a modification to Apache that
> depends on the architecture.
> By using this patch, it can be handled by changing the
> configuration a little bit on the kernel side for such
> applications that it is difficult to do so on application
> side.

The kernel provides the facilities necessary to achieve your
goals.  It is a userspace problem.
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