Re: Compressed caching improves LTSP memory efficiency

On Wed, May 28, 2008 at 01:56:47PM +0800, Nai Xia wrote:
> >> We have done some testing in LTSP of debian with limited
> >> memory and analyzed the memory behavior of two popular
> >> program -- kpdf & firefox.  The result shows compcache
> >> greatly improves the memory efficiency.
> > BTW there's a patch for a bit better-grained compression
> > status -- are you interested? (the results are good, +1)
> I'm glad to merge your patch to my personal testing branch of
> compcache and do some test on it . :)
> The project master -- Nitin Gupta is trying to merge the
> current code to the mainline, so I am afraid he may not merge
> any new patches except bug-fixing ones for the time being.

Wow, very good.  Hope he succeeds, and you can use these messages
as yet another "+1" on its robustness and usefulness (I'm having
uptimes like a month on a compcached terminal, mostly interrupted 
due to power outages or rare experiments).

> And what about the CPU consumption of that algo. ?
> Do you have benchmark numbers ?

It's about reporting, not about compression itself -- adds
"very good" (IIRC 4x) compression ratio estimation into /proc 
file.

2 led: mail the compcache patch pls :)

-- 
 ---- WBR, Michael Shigorin <mike-u2l5PoMzF/[email protected]>
  ------ Linux.Kiev http://www.linux.kiev.ua/

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