Re: newbie questions about git design and features (some wrt hg)

On Tue, 30 Jan 2007, Linus Torvalds wrote:
> 
> We had this particular performance "anomaly" be discussed just the other 
> week. People seem to be so used to the "file ID" mentality that has its 
> roots in RCS etc, that they expect "git log <filename>" to somehow be 
> faster than "git log". In git, that's simply not true. History is *always* 
> seen as a "full repository history". There simply isn't anything else.

Side note: some people have talked about changing this by generating some 
kind of per-filename cache to make logging ops have an "accelerated" mode 
for the trivial cases.

So maybe git at some future date will have a special-case for a single 
filename, but that's definitely not the case today.

			Linus
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