On 19 nov 2008, at 15:54, Hans Christian Riksheim wrote:

Hello, list.

We are speculating whether we should employ the latest CMT-server from
SUN as TSM-servers. The CMT-servers are many cores/many threads but
each
thread is relatively slow(1,2/1,4 GHz) compared to Ultra
Sparc(2,3Ghz).

My question is if TSM benefits from many threads or if we should go
for
single thread performance. I guess expiration is a single thread
process
but that depends mainly on IO. Maybe many simultanious client
operations
would benefit from many threads. How about TSM version 6?

Current TSM server releases are heavily multithreaded, so more cpu
cores are quite useful, but keep in mind that TSM is about I/O more
than about CPU, so your main concern when selecting hardware should be
the I/O bandwidth. How many PCI buses does your system have, do they
share logic? In case of PCIe, things usually get a lot hazier... how
much bandwidth do the PCIe controllers have each to your memory etc....

I really don't know here.


Any thoughts?



Regards

Hans Chr.

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