From: "H. Peter Anvin" <hpa@zytor.com>
To: linux-kernel@vger.kernel.org
Subject: Re: select() bug
Date: 2 Nov 2000 15:53:29 -0800 [thread overview]
Message-ID: <8tsupp$gh8$1@cesium.transmeta.com> (raw)
In-Reply-To: <E13rTfB-00023L-00@the-village.bc.nu> <3A01FC44.8A43FE8B@iname.com>
Followup to: <3A01FC44.8A43FE8B@iname.com>
By author: Paul Marquis <pmarquis@iname.com>
In newsgroup: linux.dev.kernel
>
> Okay, I see your point, thanks. A couple of comments/questions:
>
> - Does this make sense with devices with small kernel buffers? From
> my experimentation, pipes on Linux have a 4K buffer and tend to be
> read and written very quickly.
>
> - If I'm correct that pipes have a 4K kernel buffer, then writing 1
> byte shouldn't cause this situation, as the buffer is well more than
> half empty. Is this still a bug?
>
> Semantic issues aside, since Apache does the test I mentionned earlier
> to determine child status and since it could be misled, should this
> feature be turned off?
>
> Thanks for your input.
>
Has anyone considered the possibility of expanding the buffer of
high-traffic pipes?
-hpa
--
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"Unix gives you enough rope to shoot yourself in the foot."
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next prev parent reply other threads:[~2000-11-02 23:54 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-11-02 22:11 select() bug Paul Marquis
2000-11-02 22:27 ` Alan Cox
2000-11-02 22:42 ` Richard B. Johnson
2000-11-02 22:58 ` Paul Marquis
2000-11-03 0:53 ` Richard B. Johnson
2000-11-03 5:00 ` Paul Marquis
2000-11-03 13:05 ` Richard B. Johnson
2000-11-02 22:53 ` Paul Marquis
2000-11-02 22:58 ` Alan Cox
2000-11-02 23:08 ` Paul Marquis
2000-11-02 23:20 ` Alan Cox
2000-11-02 23:44 ` Paul Marquis
2000-11-02 23:53 ` H. Peter Anvin [this message]
2000-11-02 23:46 ` David S. Miller
2000-11-03 0:04 ` H. Peter Anvin
2000-11-02 23:52 ` David S. Miller
2000-11-03 0:13 ` H. Peter Anvin
2000-11-03 0:05 ` David S. Miller
2000-11-03 0:38 ` H. Peter Anvin
2000-11-03 0:01 ` Alan Cox
2000-11-02 23:55 ` Alan Cox
2000-11-03 5:52 ` dean gaudet
2000-11-03 7:05 ` Marc Lehmann
-- strict thread matches above, loose matches on Subject: below --
2000-11-05 16:14 Stanislav Meduna
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