From: Nicolas Pitre <nico@cam.org>
Date: Wed, 11 Apr 2007 12:57:09 GMT
Subject: Re: [PATCH 13/10] tests for various pack index features
Message-ID: <alpine.LFD.0.98.0704110850010.28181@xanadu.home>
In-Reply-To: <7vr6qrr51r.fsf@assigned-by-dhcp.cox.net>

On Tue, 10 Apr 2007, Junio C Hamano wrote:

> > +     for i in `seq -w 100`
> > +     do
> > +         echo $i >file_$i &&
> > +         dd if=/dev/urandom bs=8k count=1 >>file_$i &&
> > +         git-update-index --add file_$i || return 1
> > +     done &&
> 
> Is there a way for our tests to be a bit more stable than
> urandom?  I saw on the first run fsck was OOM-killed, but the
> second and subsequent run did not.  It's a bit hard to diagnose.

The problem here is that I really need large amount of random data that 
doesn't compress nor delta between objects.

Hmmm what we need is a random data generator that always produces the 
same thing.  I'll hack something to replace urandom.


Nicolas