[NBLUG/talk] thought I'd ask here also - Anyone have any experience with LTSP?

[gandalf at sonic.net]

Which is configured for 256 cpus.

On 2015-01-24 21:24, Walter Hansen wrote:
> It's running Ubuntu 12.
> 
> On 1/24/2015 9:39 AM, Lincoln Peters wrote:
>> Maybe I missed the answer, but what distro and what version?  If it's
>> running an older kernel, it may not be taking full advantage of all of
>> the CPU's.
>> 
>> A few weeks ago I was testing out some similarly powerful machines (20
>> hyperthreaded CPU's and 32GB RAM) with different versions of CentOS,
>> and I discovered that the kernel that comes with CentOS 5.x (which
>> some of our customers still use) struggles to take advantage of lots
>> of cores.  On CentOS 6.5 and 7.0 I could easily get 40 CPU-intensive
>> processes to run at near 100% utilization, but on CentOS 5 each
>> process seemed to top out at 25% (and load average was comparable to
>> the newer OS'es).
>> 
>> On Fri, Jan 23, 2015 at 2:19 PM,  <gandalf at sonic.net> wrote:
>>> 
>>> I'm seeing very high load averages with low CPU usage. The two main 
>>> culprits
>>> are chrome and firefox. I've got about a hundred users sharing the 
>>> LTSP
>>> server which has some rich resources (24cpus and 128gigs).
>>> 
>>> 
>>> 
>>> 
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>> 
>> 
>> 
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