Re: win2k/cygwin cannot handle even moderately sized packs

From: Jakub Narebski <jnareb@gmail.com>
Date: Nov 7, 2006, 15:50 UTC
Message-ID: <eiq9vm$l7c$1@sea.gmane.org>
In-Reply-To: <81b0412b0611070555u1833cc8ci1d37d45782562df8@mail.gmail.com>

Alex Riesen wrote:

Show 11 quoted lines

>> So the problem is probably memory fragmentation.
> 
> probably.
> 
>> You might have more joy if you allocated one HUGE chunk immediately on
>> startup to use for the pack, and then kept re-using that chunk.
> 
> Well, it is not _one_ chunk. The windows/cygwin abomin...combination
> may take an issue with this: it seem to copy complete address space
> at fork, which even for such a small packs I have here takes system
> down lightly (yes, I tried it).

Perhaps planned mmapping only parts of packs would help there.

-- 
Jakub Narebski
Warsaw, Poland
ShadeHawk on #git