On Wed, Feb 12, 2014 at 9:02 AM, Robin H. Johnson <robb...@gentoo.org> wrote:
> On Tue, Feb 11, 2014 at 05:54:51PM -0800,  Stefan Zager wrote:
>> We in the chromium project have a keen interest in adding threading to
>> git in the pursuit of performance for lengthy operations (checkout,
>> status, blame, ...).  Our motivation comes from hitting some
>> performance walls when working with repositories the size of chromium
>> and blink:
> +1 from Gentoo on performance improvements for large repos.
> The main repository in the ongoing Git migration project looks to be in
> the 1.5GB range (and for those that want to propose splitting it up, we
> have explored that option and found it lacking), with very deep history
> (but no branches of note, and very few tags).

>From v1.9 shallow clone should work for all push/pull/clone... so
history depth does not matter (on the client side). As for
gentoo-x86's large worktree, using index v4 and avoid full-tree
operations (e.g. "status .", not "status"..) should make all
operations reasonably fast. I plan to make "status" fast even without
path limiting with the help of inotify, but that's not going to be
finished soon. Did I miss anything else?
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