[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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

 -----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 @ | MIPS,x86,ARM,SPARC,PPC & HPPA | In Hex /
 \ _________________________|_____   |_______/

reply via email to

[Prev in Thread] Current Thread [Next in Thread]