Re: Weird memory usage, performance problem with 6.1_STABLE

[Mark Davies <mark%ecs.vuw.ac.nz@localhost>]

On Tue, 24 Sep 2013, Lars Heidieker wrote:
> I think the pagescanner can't keep up with the speed, is there any
> change in network bandwidth between those machines?

The two ftp servers are both gigabit connected to the same switch and 
its gigabit all the way to the clients.

> Another idea, the images nearly fit into memory and the ftpd
> process trigger the file cache in a way that the page scanner
> can't find pages to free...

So on this 16GB machine the original 36GB image causes the problem
I tried a 15GB image and it also caused the problem.
With an 8GB image (probably not suprisingly) it worked happily with 
active memory never getting above 10GB - didn't try increasing the 
number of simultaneous ftp sessions beyond 3 to see if that had any 
effect.

> You wen't from non-smp to smp right?

No.  amd64 box is 6 core Intel(R) Xeon(R) CPU E5-2430 while the i386 
is 4 core Intel(R) Core(TM) i7-3770.

cheers
mark