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Re: Bug#581488: general: lower vm.swappiness by default for desktop installations

On 5/12/2010 1:22 PM, Marcus Better wrote:
> Recently I got the advice [1] to set vm.swappiness to 0, rather than
> the default 60. This improved things dramatically. Apparently Eclipse
> is no longer being swapped out preemptively all the time. The
> difference in perceived responsiveness is spectacular.

You might also be interested in:

# sync; cat 3 > /proc/sys/vm/drop_caches

This is a nondestructive operation that will drop your clean caches,
clear up unused inodes, and free up available RAM. Usually, after
running my desktop for a few hours, depending on the applications I'm
running as well, this will free up about 1/2 of my installed RAM.

. O .   O . O   . . O   O . .   . O .
. . O   . O O   O . O   . O O   . . O
O O O   . O .   . O O   O O .   O O O

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