Tagged Questions
-1
votes
2answers
48 views
Multi-CPU server with CPUs of differing core counts
Is it possible to have a multi-CPU server where the CPUs do not necessarily have the same number of core counts?
For example, a group of 4 at dual core and a group of four at quad core?
This ...
0
votes
2answers
188 views
Linux: One cpu core is always in 0 use
Today I notice a very strange thing. One cpu core is always in 0 use
.
Is it a bug?
Cpu0 : 0.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi,100.0%si, 0.0%st
Cpu1 : 37.7%us, 44.4%sy, 0.0%ni, ...
0
votes
0answers
169 views
Why does CentOS Linux use cpu/core #1 so much more in a 4-core system?
I've been watching top and htop for awhile on a very active server and I am wondering why linux does not automatically use cpu affinity better?
CPU #1 (actually core #1 of 4) is used much more ...
4
votes
1answer
291 views
Difference between Processors and CPU core
can any one please clarify the difference between actual no of processors and CPU cores.
in my case i am having Intel Xeon® Processor E5620 as per intels product page: its having
# of Cores 4
# of ...
3
votes
2answers
106 views
Performance implications of CPU/cores ratio
With the recent widespread adoption of multi-core CPUs, a question comes to mind: how does CPU/cores ratio relate to performance?
Which of these is better, how and why?
1 8-core CPU
2 4-core CPUs
4 ...
4
votes
2answers
1k views
Xen - Make one guest OS have 2 cpus?
I have inherited a Xen setup. The dom0 and domU's are all linux. dom0 has 8 cores (or CPUs, I'm not sure). We want to run more stuff on one domU. I want to make it a multicore CPU, ie so that the domU ...
5
votes
2answers
9k views
Disable CPU cores in bios?
Is it possible to disable CPU (Intel) cores in BIOS, and if yes what HP/DELL (others?) 1U/2U servers would allow this?
It is becoming difficult to find new server hardware with dual core CPUs, most ...
2
votes
2answers
4k views
How to determine actual virtual CPU configuration of ESX image?
We have severe performance issues on an ESX client, but from where I am I cannot directly view the server configuration, yet I want to find out whether they set it up correctly.
Running CPU-Z shows ...
0
votes
2answers
2k views
CPU Utilization of a multithreaded process
Background: I have a whole mess of systems running the 2.6.20 and 2.6.22 kernel in what started as a Fedora Core 2 install several years ago. These systems have 8 cpus, as reported by cat ...
