linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Bill Davidsen <davidsen@tmr.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@osdl.org>,
	Mike Taht <mike.taht@timesys.com>, Matt Mackall <mpm@selenic.com>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	git@vger.kernel.org
Subject: Re: Mercurial 0.3 vs git benchmarks
Date: Tue, 26 Apr 2005 16:30:15 -0400	[thread overview]
Message-ID: <426EA4D7.9080008@tmr.com> (raw)
In-Reply-To: <426E852A.40904@zytor.com>

H. Peter Anvin wrote:
> Linus Torvalds wrote:
> 
>>
>> And don't try to make me explain why the patchbomb has any IO time at 
>> all,
>> it should all have fit in the cache, but I think the writeback logic
>> kicked in.
> 
> 
> The default log size on ext3 is quite small.  Making the log larger 
> probably would have helped.

Experience tells me that making the log larger does very good things for 
performance in many load types. However, that fsync issue forcing the 
write of the whole log may get worse if there's a lot pending.

I suspect this would be helped by noatime.

-- 
    -bill davidsen (davidsen@tmr.com)
"The secret to procrastination is to put things off until the
  last possible moment - but no longer"  -me

  reply	other threads:[~2005-04-26 20:36 UTC|newest]

Thread overview: 101+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-04-26  0:41 Mercurial 0.3 vs git benchmarks Matt Mackall
2005-04-26  1:49 ` Daniel Phillips
2005-04-26  2:08 ` Linus Torvalds
2005-04-26  2:30   ` Mike Taht
2005-04-26  3:04     ` Linus Torvalds
2005-04-26  4:00       ` Linus Torvalds
2005-04-26 11:13         ` Chris Mason
2005-04-26 15:09           ` Magnus Damm
2005-04-26 15:38             ` Chris Mason
2005-04-26 16:23               ` Magnus Damm
2005-04-26 18:18                 ` Chris Mason
2005-04-26 20:56                 ` Andrew Morton
2005-04-26 21:07                   ` Linus Torvalds
2005-04-26 22:50                     ` H. Peter Anvin
2005-04-26 22:56                     ` Andrew Morton
2005-04-26 23:43                       ` H. Peter Anvin
2005-04-27 15:01                         ` Florian Weimer
2005-04-27 15:13                           ` Thomas Glanzmann
2005-04-27 18:54                             ` H. Peter Anvin
2005-04-27 19:01                               ` Thomas Glanzmann
2005-04-27 19:57                                 ` Theodore Ts'o
2005-04-27 20:06                                   ` Thomas Glanzmann
2005-04-27 20:35                                 ` H. Peter Anvin
2005-04-27 20:39                                   ` Thomas Glanzmann
2005-04-27 20:47                                   ` Florian Weimer
2005-04-27 20:55                                 ` Florian Weimer
2005-04-27 21:04                                   ` H. Peter Anvin
2005-04-27 21:06                                     ` Florian Weimer
2005-04-27 21:32                                       ` Theodore Ts'o
2005-04-27 19:55                       ` Theodore Ts'o
2005-04-27  6:34                   ` Ingo Molnar
2005-04-27 21:10                     ` Bill Davidsen
2005-04-27 21:39                       ` Linus Torvalds
2005-04-26 16:42           ` Linus Torvalds
2005-04-26 17:39             ` Chris Mason
2005-04-26 19:52               ` Chris Mason
2005-04-26 18:15         ` H. Peter Anvin
2005-04-26 20:30           ` Bill Davidsen [this message]
2005-04-26 16:11       ` Bill Davidsen
2005-04-26  4:01   ` Matt Mackall
2005-04-26  4:20     ` Linus Torvalds
2005-04-26  4:09   ` Chris Wedgwood
2005-04-26  4:22     ` Andreas Gal
2005-04-26  4:22     ` Linus Torvalds
2005-04-29  6:01   ` Mercurial 0.4b vs git patchbomb benchmark Matt Mackall
2005-04-29  6:40     ` Sean
2005-04-29  7:40       ` Matt Mackall
2005-04-29  8:40         ` Sean
2005-04-29 14:34         ` Linus Torvalds
2005-04-29 15:18           ` Morten Welinder
2005-04-29 16:52             ` Matt Mackall
2005-05-02 16:10               ` Bill Davidsen
2005-05-02 19:02                 ` Sean
2005-05-02 22:02                 ` Linus Torvalds
2005-05-02 22:30                   ` Matt Mackall
2005-05-02 22:49                     ` Linus Torvalds
2005-05-03  0:00                       ` Matt Mackall
2005-05-03  2:48                         ` Linus Torvalds
2005-05-03  3:29                           ` Matt Mackall
2005-05-03  4:18                             ` Linus Torvalds
2005-05-03  4:24                         ` Linus Torvalds
2005-05-03  4:27                           ` Matt Mackall
2005-05-03  8:45                           ` Chris Wedgwood
2005-04-29 15:44           ` Tom Lord
2005-04-29 15:58             ` Linus Torvalds
2005-04-29 17:34               ` Tom Lord
2005-04-29 17:56                 ` Linus Torvalds
2005-04-29 18:08                   ` Tom Lord
2005-04-29 18:33                     ` Sean
2005-04-29 18:54                       ` Tom Lord
2005-04-29 19:13                         ` Sean
2005-05-02 16:15                           ` Bill Davidsen
2005-04-29 16:37           ` Matt Mackall
2005-04-29 17:09             ` Linus Torvalds
2005-04-29 19:12               ` Matt Mackall
2005-04-29 19:50                 ` Linus Torvalds
2005-04-29 20:23                   ` Matt Mackall
2005-04-29 20:49                     ` Linus Torvalds
2005-04-29 21:20                       ` Matt Mackall
2005-04-29 16:46           ` Bill Davidsen
2005-04-29 20:19       ` Andrea Arcangeli
2005-04-29 22:30         ` Olivier Galibert
2005-04-29 22:47           ` Andrea Arcangeli
2005-04-29 20:30     ` Andrea Arcangeli
2005-04-29 20:39       ` Matt Mackall
2005-04-30  2:52         ` Andrea Arcangeli
2005-04-30 15:20           ` Matt Mackall
2005-04-30 16:37             ` Andrea Arcangeli
2005-05-02 15:49           ` Bill Davidsen
2005-05-02 16:14             ` Valdis.Kletnieks
2005-05-03 17:40               ` Bill Davidsen
2005-05-04  2:10                 ` Mercurial 0.4b vs git patchbomb benchmark (/usr/bin/env again) David A. Wheeler
2005-05-02 16:17             ` Mercurial 0.4b vs git patchbomb benchmark Andrea Arcangeli
2005-05-02 16:31             ` Linus Torvalds
2005-05-02 17:18               ` Daniel Jacobowitz
2005-05-02 17:32                 ` Linus Torvalds
2005-05-02 20:54                 ` Sam Ravnborg
2005-05-02 17:20               ` Ryan Anderson
2005-05-02 17:31                 ` Linus Torvalds
2005-05-02 21:17               ` Kyle Moffett
2005-05-03 17:43               ` Bill Davidsen

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=426EA4D7.9080008@tmr.com \
    --to=davidsen@tmr.com \
    --cc=git@vger.kernel.org \
    --cc=hpa@zytor.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mike.taht@timesys.com \
    --cc=mpm@selenic.com \
    --cc=torvalds@osdl.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).