[Dovecot] POP3 vs. IMAP Load/Memory usage in Dovecot 1.0.15
Stan Hoeppner
stan at hardwarefreak.com
Tue Jul 12 09:59:37 EEST 2011
On 7/12/2011 1:12 AM, Rainer Frey wrote:
>
> On 11.07.2011, at 17:03, Stan Hoeppner wrote:
>
>> The R410 is a two socket Xeon box with max 2 x 6 core CPUs. The 24 CPUs
>> you see is the result of HyperThreading being enabled. I'd disable HT
>> if I were you, or those boxen mine.
>
> Why?
It's a troubleshooting step. HT can cause weird problems with some
systems/kernels. It can also decrease performance with some workloads.
As with anything, if it doesn't provide benefit, turn if off to reduce
complexity and potential problems.
--
Stan
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