From: Björn Steinbrink <b.steinbrink@gmx.de>
Date: Thu, 12 Feb 2009 18:59:25 GMT
Subject: Re: git gc --prune consumes *lots* of memory with repos cloned with --reference
Message-ID: <20090212185925.GC20552@atjola.homenet>
In-Reply-To: <cccedfc60902121032y17180739r2a049197323d3588@mail.gmail.com>

On 2009.02.12 12:32:13 -0600, Jon Nelson wrote:
> The situation:
> 
> I cloned linux-2.6
> Then I cloned netdev-2.6 with --reference $PWD/linux-2.6
> Then I cloned net-2.6 with --reference $PWD/netdev-2.6
> 
> The problem:
> 
> git gc --prune on netdev-2.6 takes WAY more memory than git gc --prune
> on linux-2.6
> git gc --prune on net-2.6 takes WAY WAY more memory. 1.5G and counting.
> 
> Why does git gc --prune take 1.5G? (git pack-objects is the actual
> memory-hungry process)

Probably an older git version? There was a bug that caused a memory leak
with unreachable objects being forced to be loose objects. That was
fixed in 1.6.0.3

Björn