From: Shawn O. Pearce <spearce@spearce.org>
Date: Sun, 11 Mar 2007 02:34:22 GMT
Subject: Re: [PATCH] prepare_packed_git(): sort packs by age and localness.
Message-ID: <20070311023422.GE10343@spearce.org>
In-Reply-To: <7vtzwsy0lb.fsf@assigned-by-dhcp.cox.net>

Junio C Hamano <junkio@cox.net> wrote:
> When accessing objects, we first look for them in packs that
> are linked together in the reverse order of discovery.
> 
> Since younger packs tend to contain more recent objects, which
> are more likely to be accessed often, and local packs tend to
> contain objects more relevant to our specific projects, sort the
> list of packs before starting to access them.  In addition,
> favoring local packs over the ones borrowed from alternates can
> be a win when alternates are mounted on network file systems.

ACK.  But...
 
> diff --git a/cache.h b/cache.h
> @@ -431,6 +432,7 @@ extern off_t find_pack_entry_one(const unsigned char *, struct packed_git *);
> +void rearrange_packed_git(void);

Is that really necessary to make public?

-- 
Shawn.