Re: best performances for the java 6 JRE: linux or solaris?

On 24 avr, 14:04, Lew <l...@xxxxxxxxxxxxxxxxxxxx> wrote:
dao.ho...@xxxxxxxxx wrote:
hello,

I have to deploy a java/CORBA server on a new host. I have to choose
between 2 configurations:

Conf#1
SUN, V240 2x(ultraSparc3@1,5GHz), 64Bits, RISK
Solaris 9

Conf#2
PC 2x(Opteron dualcore)@2.8GHz 64bits, SISK
Linux RedHat 4

which is the best for my java application, in terms of performances
and reliability? Is there some deployment tips about RAM, hard
drive... things to avoid... I must take into account ?

Java application:
no GUI
highly threaded
java 6 (I hope, 5 else...)
no developpement on this host

I doubt there is a way to generalize /a priori/. Run sample apps that have
similar performance characteristics to your intended application(s), and
measure the results.

How important is performance, and how much difference must there be to matter?

Have you considered O.S. alternatives that may speed up performance, e.g., QNX?

One tip is to provide maximum RAM and very effing fast hard drives.

OTOH, aren't reliability and up-time ultimately more important than raw speed?
How durable are these machines? How likely for a RAM chip to fail? How
expensive is support for each platform?

If raw speed is so important, why limit yourself to those two platforms?

Are you using RAID drive configurations?

By the way, the acronyms are "RISC" and "CISC", not "RISK" and "SISK". They
are acronyms, so the spelling matters. GIYF.

--
Lew

I am a software manager, my server has ran on a V240/solaris 5.9 for 2
years. Today, IT proposed me either to buy a clone machine or go to a
opteron/linux environment. I have to choose. The application uses the
CPU mainly for XML processing, and it is the bottleneck of it.

I don't know a lot about devices, butI have seen that the opteron is
almost 2 times faster, it is 4 processors (2 dual core), so I suppose
it is much faster (4 times?) than the V240.
Further more, the IT insists for the opteron because it is much
cheaper (2 times!).

I just want to check that is is a good environment (no surprise,
please!!!)

thanks for your answer (s).

.

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