Re: Efficiency of initial clone from server

From

Shawn O. Pearce <spearce@spearce.org>

Date

Feb 11, 2007, 22:53 UTC

Message-ID

<20070211225326.GC31488@spearce.org>

In-Reply-To

<9e4733910702111153p1691ad99nda97325b34b7a13f@mail.gmail.com>

Jon Smirl <jonsmirl@gmail.com> wrote:

> Is this happening because the repository on the server is not
> completely packed? It is basically building a pack of the whole thing
> and shipping it to me, right?

Correct.  The wire protocol only allows us to send one pack.
So we have to pack everything and transmit it as a single unit.
 

> If that is the case, why not first pack the whole repository and then
> copy it down the wire? Now the next clone that comes along doesn't
> have to do so much work. Would this help to eliminate some of the load
> at kernel.org?

Probably, but then the daemon needs write access to the repository.
This isn't required right now; it can be strictly read-only and
still serve the contents.
 

> remote: Total 63, written 63 (delta 0), reused 63 (delta 0)
> 100% (63/63) done
> fatal: pack: not a valid SHA1
> New branch: 0953670fbcb75e26fb93340bddae934e85618f2e

-- 
Shawn.