I'm currently looking for someone to green up the tests on Win64. Can we 
dedicate one machine instance (I'm assuming this is on AWS?) for the purpose of 
advancing this greenery project? Also, who is the point-person on Release 
Engineering that we should pull into the testing discussion?

Thanks,

--Jet

----- Original Message -----
From: "John Hopkins" <jhopk...@mozilla.com>
To: "dev.platform" <dev-platform@lists.mozilla.org>
Cc: sheri...@mozilla.com
Sent: Wednesday, October 9, 2013 2:22:52 PM
Subject: Migrating to Win64 rev2 machines

Release Engineering is migrating the Windows 64-bit _build_ machines to
a new, managed machine image which will decrease the amount of
administrative overhead needed to deploy new instances, make image
changes, etc.

It uses the same build toolchain as the current Windows 64-bit images
(MSVC10) but located at different paths so you'll notice conditional
checks like
http://hg.mozilla.org/mozilla-central/file/a141e39bf6da/build/win64/mozconfig.vs2010#l2
which will be uplifted.

The 'cedar' project branch has been building successfully using the new
image. The plan is to migrate other branches over the next few weeks in
this order:
- remaining project branches
- mozilla-central
- mozilla-inbound, b2g-inbound
- try
- aurora
- beta
- release, mozilla-b2g18*
- esr

Wait times may increase for a short time on days that we cut over to the
new build machines (since we are reimaging existing machines in chunks).
 We'll be keeping an eye on those wait times and adjusting the number of
machines cut over if needed.  Thunderbird comm-* branches will be cut
over at the same time as their mozilla-* counterpart.

The project branches will be cut over tomorrow and we'll let those build
over the weekend before cutting over mozilla-central. I will send an
email notification on this thread before and after a cutover so everyone
knows the current status.

Bug 781277 tracks this effort.  If you have any questions or concerns,
please let me know.

Thanks,
John
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