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From: Andreas Ericsson <ae@op5.se>
To: "Shawn O. Pearce" <spearce@spearce.org>
Cc: Jakub Narebski <jnareb@gmail.com>, git@vger.kernel.org
Subject: Re: Request for detailed documentation of git pack protocol
Date: Thu, 14 May 2009 17:02:26 +0200	[thread overview]
Message-ID: <4A0C3282.4000101@op5.se> (raw)
In-Reply-To: <20090514145724.GE30527@spearce.org>

Shawn O. Pearce wrote:
> 
> In loopback mode for local file URIs, it may become an issue.  C Git
> is just getting lucky by the pipe size I think.  Though I thought I
> read somewhere yesterday pipe FIFOs in Linux were being allocated
> at 512 bytes, not one system page.  Of course other systems could
> allocate whatever size they want too, and may allocate something
> below the 2952 minimum, and we'd most likely see a deadlock on them.
> 

Linux allocates one page 4096 bytes for a FIFO. 512 is the maximum
size guaranteed by POSIX to result in an atomic write.

-- 
Andreas Ericsson                   andreas.ericsson@op5.se
OP5 AB                             www.op5.se
Tel: +46 8-230225                  Fax: +46 8-230231

Register now for Nordic Meet on Nagios, June 3-4 in Stockholm
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Considering the successes of the wars on alcohol, poverty, drugs and
terror, I think we should give some serious thought to declaring war
on peace.

  reply	other threads:[~2009-05-14 15:03 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-12 21:29 Request for detailed documentation of git pack protocol Jakub Narebski
2009-05-12 23:34 ` Shawn O. Pearce
2009-05-14  8:24   ` Jakub Narebski
2009-05-14 14:57     ` Shawn O. Pearce
2009-05-14 15:02       ` Andreas Ericsson [this message]
2009-05-15 20:29         ` Linus Torvalds
2009-05-15 16:51       ` Clemens Buchacher
2009-05-14 18:13     ` Nicolas Pitre
2009-05-14 20:27       ` Jakub Narebski
2009-05-14 13:55   ` Scott Chacon
2009-05-14 14:44     ` Shawn O. Pearce
2009-05-14 15:01     ` Jakub Narebski
2009-05-15  0:58       ` A Large Angry SCM
2009-05-15 19:05         ` Ealdwulf Wuffinga
2009-06-02 21:39     ` Jakub Narebski
2009-06-02 23:27       ` Shawn O. Pearce
2009-06-03  0:50         ` Jakub Narebski
2009-06-03  1:29           ` Shawn O. Pearce
2009-06-03  2:11             ` Junio C Hamano
2009-06-03  2:15               ` Shawn O. Pearce
2009-06-03  9:21             ` Jakub Narebski
2009-06-03 14:48               ` Shawn O. Pearce
2009-06-03 15:07                 ` Shawn O. Pearce
2009-06-03 15:39                   ` Jakub Narebski
2009-06-03 15:50                     ` Shawn O. Pearce
2009-06-03 16:51                 ` Jakub Narebski
2009-06-03 16:56                   ` Shawn O. Pearce
2009-06-03 20:19                     ` Jakub Narebski
2009-06-03 20:24                       ` Shawn O. Pearce
2009-06-03 22:04                         ` Jakub Narebski
2009-06-03 22:04                           ` Shawn O. Pearce
2009-06-03 22:16                           ` Junio C Hamano
2009-06-03 22:46                             ` Jakub Narebski
2009-06-04  7:17                         ` Andreas Ericsson
2009-06-04  7:26                           ` Junio C Hamano
2009-06-06 16:33                     ` Scott Chacon
2009-06-06 17:24                       ` Junio C Hamano
2009-06-06 17:41                       ` Jakub Narebski
2009-06-03 21:38                   ` Tony Finch
2009-06-03 17:11                 ` Junio C Hamano
2009-06-03 19:05                 ` Johannes Sixt
2009-06-03  2:18           ` Robin H. Johnson
2009-06-03 10:47             ` Jakub Narebski
2009-06-03 14:17               ` Shawn O. Pearce
2009-06-03 20:56           ` Tony Finch
2009-06-03 21:20             ` Jakub Narebski
2009-06-03 21:53               ` Tony Finch
2009-06-04  8:45                 ` Jakub Narebski
2009-06-04 11:41                   ` Tony Finch
2009-06-04 18:41                   ` Shawn O. Pearce
2009-06-03 12:29       ` Jakub Narebski
2009-06-03 14:19         ` Shawn O. Pearce
2009-06-04 20:55       ` Jakub Narebski
2009-06-04 21:57         ` Shawn O. Pearce
2009-06-05  0:45         ` Shawn O. Pearce
2009-06-05  7:24           ` Jakub Narebski
2009-06-05  8:45             ` Jakub Narebski
2009-06-06 21:38       ` Comments pack protocol description in "Git Community Book" (second round) Jakub Narebski
2009-06-06 21:58         ` Scott Chacon
2009-06-07  8:21           ` Jakub Narebski
2009-06-07 20:13             ` Shawn O. Pearce
2009-06-07 20:43           ` Shawn O. Pearce
2009-06-13  9:30           ` Comments pack protocol description in "RFC for the Git Packfile Protocol" (long) Jakub Narebski
2009-06-07 20:06         ` Comments pack protocol description in "Git Community Book" (second round) Shawn O. Pearce
2009-06-09  9:39           ` Jakub Narebski
2009-06-09 14:28             ` Shawn O. Pearce

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