Re: [PATCH 0/5] Suggested for PU: revision caching system to significantly speed up packing/walking

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On Fri, Aug 07, 2009 at 03:48:51PM -0700, Junio C Hamano wrote:

> > The cache file for all of the linux repository (as of a few weeks ago)
> > is around 42MB, without names.  The names would probably add 2 or 3 MB
> > on top of that.  That's probably about as big as I'd want to get,
> 
> Hmm.  .git/objects/ as of today is about 482M here, so we are talking
> about roughly 10% overhead?

IIRC from previous discussions, kernel.org's main performance problem is
I/O, not CPU. Are there any provisions for sharing rev-caches between
similar repositories, as we already do for objects?

-Peff
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