Re: BusinessWeek: Will Google's Purity Pay Off?

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On Sun, 17 Dec 2000, Hugo Haas wrote:

> > 30 PhDs? What are they all working on? Seems fairly straightforward
> > from here :)
>
> Not on HTTP/1.1 support for their robot!
>
>
> Some of the robots could use the persistent connection feature to crawl
> the Web faster. I am not sure it would work for all of the because some
> of them get a page every hour, so it wouldn't be really interesting. :-)

Well most of the major ones gets a page at least every minute, and a real
HTTP/1.1 server will keep the connection alive ;)

Btw I found references for problem to run MT suid programs under linux [1]
To sum things up, linux threads are separate processes with their own
uid/gid. Changing uid on a thread should cause the process to change uid
=> all the threads should change their uid. This is the case for solaris,
but not linux, so you can't run a MT server on linux on port < 1024
without being and staying root. And it is not yet fixed in 2.4.0-test11
At least Linus knows that, but if it takes ages to fix that, I'll try to
go from linux to solaris8 x86.

[1] http://lists.insecure.org/linux-kernel/2000/Aug/3326.html

--
~~Yves
"Baroula que barouleras, au ti�u toujou t'entourneras."

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