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From: Nguyen Thai Ngoc Duy <pclouds@gmail.com>
To: "Robin H. Johnson" <robbat2@gentoo.org>
Cc: Git Mailing List <git@vger.kernel.org>
Subject: Re: Performance issue: initial git clone causes massive repack
Date: Mon, 6 Apr 2009 13:10:57 +1000	[thread overview]
Message-ID: <fcaeb9bf0904052010p34e3246bwd7e1f5297acf37e2@mail.gmail.com> (raw)
In-Reply-To: <20090405T230552Z@curie.orbis-terrarum.net>

On Mon, Apr 6, 2009 at 9:38 AM, Robin H. Johnson <robbat2@gentoo.org> wrote:
> Looking at the source, I agree that it should be buffering, however top and ps
> seem to disagree. 3GiB VSZ and 2.5GiB RSS here now.
>
> %CPU %MEM     VSZ     RSS STAT START   TIME COMMAND
>  0.0  0.0  140932    1040 Ss   16:09   0:00 \_ git-upload-pack /code/gentoo/gentoo-git/gentoo-x86.git
> 32.2  0.0       0       0 Z    16:09   1:50     \_ [git-upload-pack] <defunct>
> 80.8 44.2 3018484 2545700 Sl   16:09   4:36     \_ git pack-objects --stdout --progress --delta-base-offset
>
> Also, I did another trace, using some other hardware, in a LAN setting, and
> noticed that git-upload-pack/pack-objects only seems to start output to the
> network after it reaches 100% in 'remote: Compressing objects:'.
>
> Relatedly, throwing more RAM (6GiB total, vs. the previous 2GiB) at the server
> in this case cut the 200 wallclock minutes before any sending too place down to
> 5 minutes.

Searching back the archive, there was memory fragmentation issue with
gcc repo. I wonder if it happens again. Maybe you should try Google
allocator. BTW, did you try to turn off THREADED_DELTA_SEARCH?
-- 
Duy

  parent reply	other threads:[~2009-04-06  3:16 UTC|newest]

Thread overview: 97+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-04 22:07 Performance issue: initial git clone causes massive repack Robin H. Johnson
2009-04-05  0:05 ` Nicolas Sebrecht
2009-04-05  0:37   ` Robin H. Johnson
2009-04-05  3:54     ` Nicolas Sebrecht
2009-04-05  4:08       ` Nicolas Sebrecht
2009-04-05  7:04       ` Robin H. Johnson
2009-04-05 19:02         ` Nicolas Sebrecht
2009-04-05 19:17           ` Shawn O. Pearce
2009-04-05 23:02             ` Robin H. Johnson
2009-04-05 20:43           ` Robin H. Johnson
2009-04-05 21:08             ` Shawn O. Pearce
2009-04-05 21:28           ` david
2009-04-05 21:36             ` Sverre Rabbelier
2009-04-06  3:24               ` Nicolas Pitre
2009-04-07  8:10                 ` Björn Steinbrink
2009-04-07  9:45                   ` Jakub Narebski
2009-04-07 13:13                     ` Nicolas Pitre
2009-04-07 13:37                       ` Jakub Narebski
2009-04-07 14:03                         ` Jon Smirl
2009-04-07 17:59                         ` Nicolas Pitre
2009-04-07 14:21                       ` Björn Steinbrink
2009-04-07 17:48                         ` Nicolas Pitre
2009-04-07 18:12                           ` Björn Steinbrink
2009-04-07 18:56                             ` Nicolas Pitre
2009-04-07 20:27                               ` Björn Steinbrink
2009-04-08  4:52                                 ` Nicolas Pitre
2009-04-10 20:38                                   ` Robin H. Johnson
2009-04-11  1:58                                     ` Nicolas Pitre
2009-04-11  7:06                                       ` Mike Hommey
2009-04-14 15:52                                     ` Johannes Schindelin
2009-04-14 20:17                                       ` Nicolas Pitre
2009-04-14 20:27                                         ` Robin H. Johnson
2009-04-14 21:02                                           ` Nicolas Pitre
2009-04-15  3:09                                           ` Nguyen Thai Ngoc Duy
2009-04-15  5:53                                             ` Robin H. Johnson
2009-04-15  5:54                                             ` Junio C Hamano
2009-04-15 11:51                                               ` Nicolas Pitre
2009-04-22  1:15                                           ` Sam Vilain
2009-04-22  9:55                                             ` Mike Ralphson
2009-04-22 11:24                                               ` Pieter de Bie
2009-04-22 13:19                                               ` Johannes Schindelin
2009-04-22 14:35                                                 ` Shawn O. Pearce
2009-04-22 16:40                                                   ` Andreas Ericsson
2009-04-22 17:06                                                     ` Johannes Schindelin
2009-04-23 19:30                                               ` Christian Couder
2009-04-22 14:14                                             ` Nicolas Pitre
2009-04-22 22:01                                               ` Sam Vilain
2009-04-22 22:50                                                 ` Björn Steinbrink
2009-04-22 23:07                                                 ` Nicolas Pitre
2009-04-22 23:30                                                   ` Johannes Schindelin
2009-04-23  3:16                                                     ` Nicolas Pitre
2009-04-14 20:30                                         ` Johannes Schindelin
2009-04-07 20:29                             ` Jeff King
2009-04-07 20:35                               ` Björn Steinbrink
2009-04-08 11:28                       ` [PATCH] process_{tree,blob}: Remove useless xstrdup calls Björn Steinbrink
2009-04-10 22:20                         ` Linus Torvalds
2009-04-11  0:27                           ` Linus Torvalds
2009-04-11  1:15                             ` Linus Torvalds
2009-04-11  1:34                               ` Nicolas Pitre
2009-04-11 13:41                               ` Björn Steinbrink
2009-04-11 14:07                                 ` Björn Steinbrink
2009-04-11 18:06                                   ` Linus Torvalds
2009-04-11 18:22                                     ` Linus Torvalds
2009-04-11 19:22                                       ` Björn Steinbrink
2009-04-11 20:50                                     ` Björn Steinbrink
2009-04-11 21:43                                       ` Linus Torvalds
2009-04-11 23:24                                         ` Björn Steinbrink
2009-04-11 18:19                                   ` Linus Torvalds
2009-04-11 19:40                                     ` Björn Steinbrink
2009-04-11 19:58                                       ` Linus Torvalds
2009-04-05 22:59             ` Performance issue: initial git clone causes massive repack Nicolas Sebrecht
2009-04-05 23:20               ` david
2009-04-05 23:28                 ` Robin Rosenberg
2009-04-06  3:34                 ` Nicolas Pitre
2009-04-06  5:15                   ` Junio C Hamano
2009-04-06 13:12                     ` Nicolas Pitre
2009-04-06 13:52                     ` Jon Smirl
2009-04-06 14:19                       ` Nicolas Pitre
2009-04-06 14:37                         ` Jon Smirl
2009-04-06 14:48                           ` Shawn O. Pearce
2009-04-06 15:14                           ` Nicolas Pitre
2009-04-06 15:28                             ` Jon Smirl
2009-04-06 16:14                               ` Nicolas Pitre
2009-04-06 11:22                   ` Matthieu Moy
2009-04-06 13:29                     ` Nicolas Pitre
2009-04-06 14:03                       ` Robin H. Johnson
2009-04-06 14:14                         ` Nicolas Pitre
2009-04-07 10:11               ` Martin Langhoff
2009-04-05 19:57 ` Jeff King
2009-04-05 23:38   ` Robin H. Johnson
2009-04-05 23:42     ` Robin H. Johnson
     [not found]     ` <0015174c150e49b5740466d7d2c2@google.com>
2009-04-06  0:29       ` Robin H. Johnson
2009-04-06  3:10     ` Nguyen Thai Ngoc Duy [this message]
2009-04-06  4:09       ` Nicolas Pitre
2009-04-06  4:06     ` Nicolas Pitre
2009-04-06 14:20       ` Robin H. Johnson
2009-04-11 17:24 ` Mark Levedahl

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