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From: Jakub Narebski <jnareb@gmail.com>
To: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Cc: "Shawn O. Pearce" <spearce@spearce.org>,
	Nicolas Pitre <nico@cam.org>, Junio C Hamano <gitster@pobox.com>,
	git@vger.kernel.org, Stephan Hennig <mailing_list@arcor.de>,
	Andreas Ericsson <ae@op5.se>
Subject: Re: [PATCH 0/4] Honor core.deltaBaseCacheLimit during index-pack
Date: Mon, 14 Jul 2008 04:54:38 -0700 (PDT)	[thread overview]
Message-ID: <m31w1wu1hc.fsf@localhost.localdomain> (raw)
In-Reply-To: <alpine.LSU.1.00.0807141216390.32392@wbgn129.biozentrum.uni-wuerzburg.de>

Johannes Schindelin <Johannes.Schindelin@gmx.de> writes:
> On Mon, 14 Jul 2008, Shawn O. Pearce wrote:

> > The only other alternative I can come up with is to change pack-objects 
> > (or at least its defaults) so we don't generate these massive delta 
> > chains.  But there are already packs in the wild that use these chains, 
> > resulting in performance problems for clients.
> 
> But the long chains make the pack actually as efficient as it is...

Perhaps Shawn thought here about limiting delta chain not by its
*length*, but by its *size* (as required when unpacking last object
in a delta chanin).

What do you think about this idea?
-- 
Jakub Narebski
Poland
ShadeHawk on #git

  reply	other threads:[~2008-07-14 11:55 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-10 14:40 git pull is slow Stephan Hennig
2008-07-10 15:13 ` Martin Langhoff
2008-07-10 15:28 ` Petr Baudis
2008-07-10 15:30 ` Johannes Sixt
2008-07-10 15:45   ` Stephan Hennig
2008-07-10 15:50     ` Petr Baudis
2008-07-10 17:44       ` Stephan Hennig
2008-07-11 12:25 ` Stephan Hennig
2008-07-11 13:34   ` Andreas Ericsson
2008-07-11 14:04     ` Johannes Schindelin
2008-07-12 12:32       ` Stephan Hennig
2008-07-12 17:05         ` Johannes Schindelin
2008-07-13  1:15           ` Shawn O. Pearce
2008-07-13 13:59             ` Johannes Schindelin
2008-07-13 22:11               ` Shawn O. Pearce
2008-07-14  2:07             ` [PATCH 0/4] Honor core.deltaBaseCacheLimit during index-pack Shawn O. Pearce
2008-07-14  2:27               ` Nicolas Pitre
2008-07-14  3:12                 ` Shawn O. Pearce
2008-07-14 11:44                   ` Johannes Schindelin
2008-07-14 11:54                     ` Jakub Narebski [this message]
2008-07-14 12:10                       ` Johannes Schindelin
2008-07-14 12:16                       ` Andreas Ericsson
2008-07-14 12:25                         ` Johannes Schindelin
2008-07-14 12:51                           ` Andreas Ericsson
2008-07-14 12:58                             ` Johannes Schindelin
2008-07-15  2:21                             ` Nicolas Pitre
2008-07-15  2:47                               ` Shawn O. Pearce
2008-07-15  3:06                                 ` Nicolas Pitre
2008-07-17 16:06                                 ` Stephan Hennig
2008-07-17 16:25                                   ` Nicolas Pitre
2008-07-17 21:35                                     ` Shawn O. Pearce
2008-07-17 22:02                                       ` [RFC PATCH] index-pack: Issue a warning if deltaBaseCacheLimit is too small Shawn O. Pearce
2008-07-17 23:45                                         ` Nicolas Pitre
2008-07-15  4:19                       ` [PATCH 0/4] Honor core.deltaBaseCacheLimit during index-pack Shawn O. Pearce
2008-07-14  2:07             ` [PATCH 1/4] index-pack: Refactor base arguments of resolve_delta into a struct Shawn O. Pearce
2008-07-15  2:40               ` Nicolas Pitre
2008-07-14  2:07             ` [PATCH 2/4] index-pack: Chain the struct base_data on the stack for traversal Shawn O. Pearce
2008-07-15  2:48               ` Nicolas Pitre
2008-07-14  2:07             ` [PATCH 3/4] index-pack: Track the object_entry that creates each base_data Shawn O. Pearce
2008-07-14 10:15               ` Johannes Schindelin
2008-07-15  2:50               ` Nicolas Pitre
2008-07-15  3:20                 ` Shawn O. Pearce
2008-07-15  3:42                   ` Nicolas Pitre
2008-07-14  2:07             ` [PATCH 4/4] index-pack: Honor core.deltaBaseCacheLimit when resolving deltas Shawn O. Pearce
2008-07-15  3:05               ` Nicolas Pitre
2008-07-15  3:18                 ` Shawn O. Pearce
2008-07-15  4:45                   ` [PATCH v2] " Shawn O. Pearce
2008-07-15  5:05                     ` Nicolas Pitre
2008-07-15 18:48                     ` Junio C Hamano
2008-07-13  9:01           ` git pull is slow Stephan Hennig
2008-07-11 12:55 ` Stephan Hennig

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