[Gllug] Memory usage when idle

John Hearns john.hearns at clustervision.com
Wed May 5 16:13:18 UTC 2004


On Wed, 2004-05-05 at 16:46, Daniel P. Berrange wrote:

> 
> In 2.6 kernels a 'swappiness' knob was introduced to /proc to try and
> balance these needs. Further patches were later written to automatically
> tune swappiness to suit the current workload. Its all very interesting...
> 
>   http://kerneltrap.org/node/view/1044

As someone who works on Linux clusters a lot, I think its interesting
too.
I would be very interested to look at tuning with the features of 2.6,
from the point of view of a heavily loaded batch system.
Doubt that I'll get the luxury of experimenting with different
parameters though. 2.6 isn't prevalent yet in the Beowulf community
(AFAIK, IMHO etc.). It would be nice to do some tuning before the users
start asking for it in production systems.


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