From: bdowning@lavos.net (Brian Downing)
To: Nicolas Pitre <nico@cam.org>
Cc: Junio C Hamano <junkio@cox.net>, git@vger.kernel.org
Subject: Re: [PATCH] reduce git-pack-objects memory usage a little more
Date: Thu, 12 Jul 2007 20:42:28 -0500 [thread overview]
Message-ID: <20070713014228.GE19073@lavos.net> (raw)
In-Reply-To: <alpine.LFD.0.999.0707121703240.32552@xanadu.home>
On Thu, Jul 12, 2007 at 05:07:59PM -0400, Nicolas Pitre wrote:
> The delta depth doesn't have to be stored in the global object array
> structure since it is only used during the deltification pass.
This patch breaks pack-objects pretty horribly:
:; PATH=~/src/git:$PATH /usr/bin/time ~/src/git/git-repack -a -d -f
:; ls -l .git/objects/pack
total 153916
-r--r--r-- 1 bdowning bdowning 1312136 2007-07-12 20:39 pack-9ac926ee1f5810c434707d3f816f5ad2cbd14668.idx
-r--r--r-- 1 bdowning bdowning 156130933 2007-07-12 20:39 pack-9ac926ee1f5810c434707d3f816f5ad2cbd14668.pack
chain length = 1: 6182 objects
chain length = 2: 66 objects
chain length = 3: 27 objects
chain length = 4: 20 objects
chain length = 5: 15 objects
chain length = 6: 9 objects
chain length = 7: 5 objects
chain length = 8: 5 objects
chain length = 9: 6 objects
chain length = 10: 4 objects
chain length = 11: 6 objects
chain length = 12: 4 objects
chain length = 13: 3 objects
chain length = 14: 3 objects
chain length = 15: 2 objects
chain length = 16: 2 objects
chain length = 17: 1 object
chain length = 18: 1 object
chain length = 19: 1 object
Unfortunately I didn't notice until I tried v1.5.3-rc1...
-bcd
next prev parent reply other threads:[~2007-07-13 1:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-12 21:07 [PATCH] reduce git-pack-objects memory usage a little more Nicolas Pitre
2007-07-13 1:42 ` Brian Downing [this message]
2007-07-13 1:45 ` Brian Downing
2007-07-13 2:27 ` [PATCH] forgot to clear the depth value Nicolas Pitre
2007-07-13 3:10 ` Junio C Hamano
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