On 09.02.2014, Chris Murphy wrote: 

> > - reduce swappiness:  /etc/sysctl.conf 
> >       vm.swappiness=1
> >       vm.vfs_cache_pressure=50

> I wouldn't do this. If swap is needed, then swap is needed.

While vfs_cache_pressure = 50 is the standard, swappiness set to 1
does not mean that the kernel won't swap. In fact, it even swaps when
set to 0. It's a matter of taste and use if you want to get rid of 
unused pages in your memory faster or not.

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