Re: select() bug

H. Peter Anvin
2000-11-02T23:54:32Z

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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