You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@httpd.apache.org by Lars Eilebrecht <La...@ecrc.de> on 1999/03/01 10:02:18 UTC
JFYI: altavista.de is running Apache 1.3.4 on Redhat Linux
-----BEGIN PGP SIGNED MESSAGE-----
Hi,
- -snip-
$ telnet beta.altavista.de 80
Trying 194.112.94.250...
Connected to beta.altavista.de.
Escape character is '^]'.
HEAD / HTTP/1.0
HTTP/1.1 200 OK
Date: Mon, 01 Mar 1999 08:58:08 GMT
Server: Apache/1.3.4 (Unix)
Last-Modified: Mon, 01 Mar 1999 08:01:02 GMT
ETag: "5e61b-29e5-36da493e"
Accept-Ranges: bytes
Content-Length: 10725
Connection: close
Content-Type: text/html
- -snap-
traceroute to beta.altavista.de (194.112.94.250), 30 hops max, 40 byte packets
1 ecrc-gw (141.1.1.254) 0.937 ms 0.960 ms 0.847 ms
2 e5-0-r2-MUC.ecrc.net (192.109.251.2) 1.245 ms 1.104 ms 1.087 ms
3 fddi0-1-0-WEB-FARM2.ecrc.net (194.59.191.10) 2.448 ms 1.481 ms 1.524 ms
4 194.112.94.250 (194.112.94.250) 2.588 ms 3.819 ms 2.449 ms
:-)
ciao...
- --
Lars Eilebrecht - ECRC Network Services GmbH - Cable & Wireless plc.
lars@ecrc.de - Phone: +49-89-92699-138 - Fax: +49-89-92699-226
-----BEGIN PGP SIGNATURE-----
Version: 2.6.3ia
Charset: noconv
iQCVAwUBNtpXmRrm1IBUqWCBAQGlLQQAiMO1HzB/4xMjPKPvHAD4gw6GnkNEqMZT
sGK1hlb0K/qQroWjBEB43YOdPCSUKv1lIv8OQgIgXOczPXmR76Xwyt8mJq6ZJv5L
vb6WLle4BpmJbGbMK/mLDxC/bp2yVakpjZsttC48bN9M98xlcFhrr4Y0B987xTSS
IoHLcJPXPxU=
=oZ82
-----END PGP SIGNATURE-----
Re: JFYI: altavista.de is running Apache 1.3.4 on Redhat Linux
Posted by Renaud Bruyeron <re...@w3.org>.
Rasmus Lerdorf wrote:
>
> > HTTP/1.1 200 OK
> > Date: Mon, 01 Mar 1999 08:58:08 GMT
> > Server: Apache/1.3.4 (Unix)
> > Last-Modified: Mon, 01 Mar 1999 08:01:02 GMT
> > ETag: "5e61b-29e5-36da493e"
> > Accept-Ranges: bytes
> > Content-Length: 10725
> > Connection: close
> > Content-Type: text/html
> >
> > - -snap-
> >
> > traceroute to beta.altavista.de (194.112.94.250), 30 hops max, 40 byte packets
> > 1 ecrc-gw (141.1.1.254) 0.937 ms 0.960 ms 0.847 ms
> > 2 e5-0-r2-MUC.ecrc.net (192.109.251.2) 1.245 ms 1.104 ms 1.087 ms
> > 3 fddi0-1-0-WEB-FARM2.ecrc.net (194.59.191.10) 2.448 ms 1.481 ms 1.524 ms
> > 4 194.112.94.250 (194.112.94.250) 2.588 ms 3.819 ms 2.449 ms
>
> How do you know it is RedHat?
apache is just a proxy to the actual AVS query server, right ?
- Renaud
--
Renaud Bruyeron
W3C Web Team
http://www.w3.org
Re: JFYI: altavista.de is running Apache 1.3.4 on Redhat Linux
Posted by Jim Gettys <jg...@pa.dec.com>.
Hmmm... The front end might be apache, on something (either DU or Linux),
but the hard part is the search engines in back.
In the past (I don't know the current state), the HTTP front end for
AltaVista was a (pair of) Alpha workstations running Digital UNIX, with
a special purpose Web server written by Mike Burrows (highly thread
based).
The front end systems talk via a special purpose protocol to a farm of
VERY big Alpha systems running Digital UNIX (8 or 10 processor systems
with 6 gig of main memory and very large RAID systems). 64 bits are really
needed; the index is much larger than 6 gigabytes in size, and that
represents the working set required to deal with it efficiently. The farm
in Palo Alto was around 16 systems, the last I heard.
So the HTTP part represents maybe a couple percent of the work each
AV query represents.
They split the index a while back, to be able to scale the size yet further.
There are alot of tricks to try to route requests to the "right" backend
server, most likely to have things in its cache.
While I'm a Linux bigot these days, Linux doesn't yet handle the kind
of situations that Digital UNIX can for large servers.
It is conceivable that Apache is being used as a replacement for Mike
Burrows' Web server these days; if people are interested, I can find out.
But the real magic in the system are the back end servers and the indexing
and crawling system; the front ends were never terribly hard to do (though
Apache wasn't fast enough early on (or even exist)).
- Jim
--
Jim Gettys
Industry Standards and Consortia
Compaq Computer Corporation
Visting Scientist, World Wide Web Consortium, M.I.T.
http://www.w3.org/People/Gettys/
jg@w3.org, jg@pa.dec.com
Re: JFYI: altavista.de is running Apache 1.3.4 on Redhat Linux
Posted by Lars Eilebrecht <la...@hyperreal.org>.
According to Rasmus Lerdorf:
> How do you know it is RedHat?
Check out slashdot.org :-)
On the other hand, AltaVista-Germany is one of our customers...
ciao...
--
Lars Eilebrecht - Brain fried... core dumped.
lars@hyperreal.org
Re: JFYI: altavista.de is running Apache 1.3.4 on Redhat Linux
Posted by Rasmus Lerdorf <ra...@lerdorf.on.ca>.
> HTTP/1.1 200 OK
> Date: Mon, 01 Mar 1999 08:58:08 GMT
> Server: Apache/1.3.4 (Unix)
> Last-Modified: Mon, 01 Mar 1999 08:01:02 GMT
> ETag: "5e61b-29e5-36da493e"
> Accept-Ranges: bytes
> Content-Length: 10725
> Connection: close
> Content-Type: text/html
>
> - -snap-
>
> traceroute to beta.altavista.de (194.112.94.250), 30 hops max, 40 byte packets
> 1 ecrc-gw (141.1.1.254) 0.937 ms 0.960 ms 0.847 ms
> 2 e5-0-r2-MUC.ecrc.net (192.109.251.2) 1.245 ms 1.104 ms 1.087 ms
> 3 fddi0-1-0-WEB-FARM2.ecrc.net (194.59.191.10) 2.448 ms 1.481 ms 1.524 ms
> 4 194.112.94.250 (194.112.94.250) 2.588 ms 3.819 ms 2.449 ms
How do you know it is RedHat?
-Rasmus