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I don't think Hyper Threading will affect Modus Mail in any way, however
you should be aware that Modus Mail is not written to take advantage of
multiple processors. Each Modus Mail service will utilize a single
processor and affinities can be set so that the services are bound to a
specific process.
Hyper Threading in essence presents a single CPU as multiple CPU's to
the operating system and hence should not affect Modus Mail or any other
application. The Hyper Threading drivers should allow Modus Mail to
function as though it is using multiple CPU's and hence in turn improve
overall performance.
If you do install Modus Mail with Hyper Threading turned on I would be
interested in knowing what you see for Page Faults in the ModusADM and
ModusSCAN services as I believe this may increase. Page Faults do not
indicate any problems with the software and it will function perfectly
fine, however they do indicate a possible performance bottleneck in that
the system expects to find something in memory that is no longer there
(there is a lot more to page faults than this, but I wanted to keep
things simple).
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-----Original Message-----
From: Christian Schmit [mailto:[EMAIL PROTECTED]
Sent: 29 October 2003 17:30
To: [EMAIL PROTECTED]
* This is the modus mailing list *
We plan to install a new dell poweredge server
for modusmail. We plan to use Windows 2003 as OS.
Should we enable hyper threading or not?
Are there any known issues with hyper threading
and modusmail?
Christian
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