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Re: Debian 3.0 on Netra X1, installs but won't run

On Sat, Jun 14, 2003 at 04:12:24PM -0700, Marc Singer wrote:
> One other thing.  I've heard that the performance of Ultrasparc Linux
> is not expected to be as good as Solaris because user-mode Sparc
> binaries run in a 32 bit mode.  How do you feel about how well Linux
> runs on the Ultrasparc?

Solaris 8 vs Debian Ultrasparc: running tinydns on netra t1 105 on the
same box (tinydns compiled with gcc 2.95 on both OS's with no special
flags, just 'make && make setup check') Linux exactly doubled the number
of queries/sec as measured with "queryperf" from the BIND9 tarball.

This is probably the extreme since tinydns does a lot of context
switching (stat the db once for every query answered), and linux is
reportedly much better at context switching than solaris.

Of course in solaris's defense, I've upgraded heavily loaded 220R's
running solaris 8 to 420R's (just move the disks to a box with 2x the
memory and processors) and the CPU utlization and load average exactly
halved as a result. Solaris scales just about linearly with more
processors, where linux (2.4 anyways) does not. Best tool for the job I
always say ;)

That said I've moved a lot of my infrastructure from solaris/sparc to
debian linux (both x86 and sparc) and never looked back. In fact UE2's
and other older boxes seem to be able to do a hell of a lot more work
running linux.
Nate Campi    http://www.campin.net 

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