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Hyperthreading: To enable or not to enable?

DirkR
Hello there!

Here I have Astaro 5.1 running on a Dell PowerEdge 1750 with 1 XEON 2.8, HyperThreading disabled. Now my question is how it will affect performance if i enable HyperThreading. I know that I possibly have to install the SMP-Kernel, but is it worth the work? Or does it make no sense enabling HT? We have a 250-User-License of Astaro with eMail-Virus-Protection enabled. HTTP-Proxy does run on a separate Linux machine.
Thanks for your answers...


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  • 0
    This is a great question and I'm looking forward to someone who's actually tried it both ways.

    In the meantime, here's an article which suggests it will be beneficial; but I know if software is not designed in an atomistic way (lots of possibilities for deadlocks), hyperthreading can actually degrade performance...

    Linux 2.6 and Hyper-Threading
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  • 0
    This is a great question and I'm looking forward to someone who's actually tried it both ways.

    In the meantime, here's an article which suggests it will be beneficial; but I know if software is not designed in an atomistic way (lots of possibilities for deadlocks), hyperthreading can actually degrade performance...

    Linux 2.6 and Hyper-Threading
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