[darcs-users] darcs patch: resolve issue395: warn the user when the... (and 5 more)

Ganesh Sittampalam ganesh at earth.li
Fri Oct 31 05:38:50 UTC 2008


On Thu, 30 Oct 2008, Eric Kow wrote:

> On Thu, Oct 30, 2008 at 21:39:47 +0000, Ganesh Sittampalam wrote:
>> It turns out you're exactly right about this; it is a significant
>> slowdown, presumably because of hash collisions.
>
> Would increasing the number of characters hashed, say to 60,
> sufficiently reduce the risk of hash collisions, while still
> achieving the intended effect of this patch?

It's possible, but I suspect it wouldn't make that much difference if any, 
and we'd have to benchmark it on a lot of repos to be confident it was a 
good idea.

Ganesh


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