On 3/26/14, 10:11 PM, Mike Hommey wrote:
On Wed, Mar 26, 2014 at 05:40:36PM -0700, Gregory Szorc wrote:
On 3/26/14, 4:53 PM, Taras Glek wrote:
*User Repos*
TLDR: I would like to make user repos read-only by April 30th. We should
archive them by May 31st.
Time spent operating user repositories could be spent reducing our
end-to-end continuous integration cycles. These do not seem like
mission-critical repos, seems like developers would be better off
hosting these on bitbucket or github. Using a 3rd-party host has obvious
benefits for collaboration & self-service that our existing system will
never meet.
How much time do we spend operating user repositories? I follow the repos
bugzilla components and most of the requests I see have little if anything
to do with user repositories. And I reckon that's because user repositories
are self-service.
Note that while user repositories are self-service on the creation side,
there is no obvious way to self-service a user repo removal. I'm not in
Taras's list, but after looking, I figured I had an old m-c copy with
old patches on top of it.
That sounds like a bug in the self-service feature!
Also note that the lack of something better than mercurial's share, we
sadly have to waste plenty of disk space for each copy of a mercurial
repo. If mercurial's share was more like git's object alternates, that
would be much less dramatic. (BTW, I don't think it would be extremely
difficult to implement)
It's 2014: why are we worrying about disk space values less than 10 TB?
More seriously though, it's not extremely difficult to implement a
custom storage backend for Mercurial. remotefilelog does it. It's only a
matter of time before someone hooks up SQL, S3, Neo4j, etc to make
server-side scaling more efficient.
Also, if you are using a COW filesystem, initial clones should be nearly
free and you'd only pay the extra copy cost for changesets added
afterwards. This could help dramatically with mozilla-central clones.
Out of curiosity, is there open source software for a shared Git object
store?
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