From: Jakub Narebski <jnareb@gmail.com>
Date: Wed, 28 Jul 2010 13:09:55 GMT
Subject: Re: inotify daemon speedup for git [POC/HACK]
Message-ID: <m3pqy7kb2z.fsf@localhost.localdomain>
In-Reply-To: <AANLkTimkLrTwavErFkyaUTSVU-2s3me5f+cyqNFp7n+D@mail.gmail.com>

Avery Pennarun <apenwarr@gmail.com> writes:

> For speed, the bup index can just mark entries as deleted using a flag
> rather than actually rewriting the whole indexfile.  Unfortunately, I
> failed to make it sufficiently flexible to *add* new entries without
> needing to rewrite the whole thing.  In bup, that's a big deal
> (especially since python is kind of slow and there are typically >1
> million files in the index).  In git, it's maybe not so bad; after
> all, the current implementation rewrites the index *every* time and
> nobody notices.

Sidenote: couldn't you do what e.g. Mercurial did, i.e. rewrite
critical for performance parts in C?

-- 
Jakub Narebski
Poland
ShadeHawk on #git