How to optimize a RAM-only (swapless) system?

AJ ONeal coolaj86 at gmail.com
Wed Dec 22 09:04:37 MST 2010


Thank you very much!

This looks very interesting. I'll keep it in mind.

AJ ONeal


On Wed, Dec 22, 2010 at 5:28 AM, John McCabe-Dansted <gmatht at gmail.com>wrote:

> On Wed, Dec 22, 2010 at 1:35 AM, AJ ONeal <coolaj86 at gmail.com> wrote:
> > The bugs I've already been bitten by is that if you have no swap the
> kernel
> > will default to sending the oom (out-of-memory) killer on any random
> process
>
> One thing I have found quite useful is compcache. This allows you to
> use compressed ram a swap-device. It doesn't need a physical disk and
> has zero latency so it avoids many of the disadvantages of physical
> swap devices. It tends to give a 4:1 compression ratio, though I
> wouldn't recommend a compressed ram swap device much larger than 50%
> of ram or so.
>
> http://code.google.com/p/compcache/
>
> --
> John C. McCabe-Dansted
>
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