nodes don't use swap

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hi everyone,

i'm stressing a gluterfs system i've set up. i've given 2GB of ram memory to every node and 4GB for swap. now i've got the system totally stressed :) but nodes don't seem to be able to use swap memory. Is it normal?
can i change anything to make gluster use swap?

I've tried ddt, postmark and bonnie to create thousands of files and see how the system reacts, and the bottleneck so far is the ram memory of the nodes. They eat the 2GB the have and don't seem to be able to use swap.

Nodes has also two processors, and i would also like to know if they can make profit of that or gluster is limited to one cpu.

thanks.




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