On Tue, 16 Aug 2005, Yasushi SHOJI wrote:
>
> It seems to me that git-diff-tree needs huge memory if you try to diff
> on big change with rename detection enabled.
>
> This isn't problem for sane project but if you create a repo with only
> major releases imports, git-diff-tree run by git_commit() eats system
> memory and die ;P
Instead of disabling it entirely, how about just having some limit on it?
The basic rename detection works very well for "normal" changes as you
point out, but it very fundamentally is O(n^2) in number of files created
and deleted, so we could instead just limit it and say "if we have tons of
new/deleted files, disable it in the interest of CPU/memory usage".
Linus
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