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Re: Idea for reducing disk IO on tagging operations
From: |
Dr. David Alan Gilbert |
Subject: |
Re: Idea for reducing disk IO on tagging operations |
Date: |
Sun, 20 Mar 2005 23:09:43 +0000 |
User-agent: |
Mutt/1.5.6+20040907i |
* Paul Sander (address@hidden) wrote:
Hi Paul,
Thanks for the reply,
> Everything that Mark says is true. I'll add that some shops optimize
> their read operations under certain conditions, and such optimizations
> would break if the RCS files are updated in-place.
>
> What happens is that, if the version of every file can be identified in
> advance (using version number, tag, or branch/timestamp pair) then they
> can invoke RCS directly to fetch file versions, read metadata, and so
> on. This sidesteps CVS' overhead and can increase performance by as
So are these tricks *never* performed by cvs itself? i.e. would my
trick (if I can solve the interrupted write case) be completely
safe with any use of cvs as long as you didn't access the files
externally?
Dave
-----Open up your eyes, open up your mind, open up your code -------
/ Dr. David Alan Gilbert | Running GNU/Linux on Alpha,68K| Happy \
\ gro.gilbert @ treblig.org | MIPS,x86,ARM,SPARC,PPC & HPPA | In Hex /
\ _________________________|_____ http://www.treblig.org |_______/
- Re: Idea for reducing disk IO on tagging operations, Dr. David Alan Gilbert, 2005/03/20
- Re: Idea for reducing disk IO on tagging operations, Mark D. Baushke, 2005/03/20
- Re: Idea for reducing disk IO on tagging operations, Dr. David Alan Gilbert, 2005/03/20
- Re: Idea for reducing disk IO on tagging operations, Paul Sander, 2005/03/20
- Re: Idea for reducing disk IO on tagging operations, Mark D. Baushke, 2005/03/21
- Re: Idea for reducing disk IO on tagging operations, Todd Denniston, 2005/03/21
- Re: Idea for reducing disk IO on tagging operations, Mark D. Baushke, 2005/03/21
- Re: Idea for reducing disk IO on tagging operations, Spiro Trikaliotis, 2005/03/30
Re: Idea for reducing disk IO on tagging operations, Tony Aiuto, 2005/03/21