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[linux-team] Mindcraft manque de serieux
Voici la reponse de novell concernant mindcraft (NT ' vs Netware 4) :
http://www.novell.com/advantage/nw5/nw5-mindcraftcheck.html
Une page LWN sur le sujet :
http://lwn.net/1999/features/MindCraft.phtml
Un texte du leader du groupe Samba :
It's not really suprising. They did *no* tuning on the
Linux server at all. I can well imagine these results being
accurate without modifying the bdflush and file system
cache parameters on a Linux 2.2.x kernel. You get a
factor of 2 performance improvement with Linux and
Samba when you set these correctly.
The server itself was a Dell PowerEdge with 4Gb of
Ram, but in the Linux section of their report it states :
"The Linux kernel limited itself to use only 960 MB of
RAM"
This in itself will kill the Linux performance compared to
the NT performance. When I did the PC Week
benchmark using the VA Research box Linux was using
the full amount of server RAM.
Note as well that they did the benchmark with RAID
*Zero* on the box. The PC Week/VA Research
benchmark was done with RAID 5. This makes a *big*
difference :-).
There are other tricks that they used (as I've been
benchmarking with NT and Samba/Linux for a while I
know quite a few of 'em). One is to test with Windows
95/98 clients. To be completely honest Samba/Linux
doesn't serve Windows 95/98 clients as well as NT does.
However, Windows NT is *terrible* when serving NT
clients.
Note they don't mention the client OS type anywhere in
the document :-). There are a few other tricks that can
skew performance also (the Samba "read raw/write
raw" prameters make a difference when used against
Win9x clients for example).
At least this shows that we're starting to seriously annoy
them :-) :-). I'm quite flattered really.
----------------------------------------------------------
Alexandre J.D. Dulaunoy | Type bits/keyID (PGP Pub Key) |
adulau@unix.be.EU.org | pub 1024/4165497C |
_____________ (aka) AD993-RIPE/AD4384-DARPA ______________
"Anyone who attempts to generate random numbers by
deterministic means is, of course, living in a
state of sin." -- John von Neumann
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