Hi Andrew, That's good to know. Thanks!
Sent from Samsung tabletAndrew McCreight <amccrei...@mozilla.com> wrote:Note that we currently have a large set of intermittent 10.8 OSX opt-only leaks-until-shutdown with the debugger: https://bugzilla.mozilla.org/show_bug.cgi?id=942102 I don't know if these will show up on 10.9 or not, or if they really matter that much. Andrew ----- Original Message ----- > tl;dr: In order to improve our osx10.6 test capacity and to quickly > start osx10.9 testing, we're planning to make the following changes to > our OSX-build-and-test-infrastructure. > > 1) convert all 10.7 test machines as 10.6 test machines in order to > increase our 10.6 capacity. > 2) convert all 10.8 test machines as 10.9 test machines. > 3) do most 10.7 builds as osx-cross-compiling-on-linux-on-AWS, repurpose > 10.7 builder machines to be additional 10.9 test machines. This > cross-compiler work is ongoing, it will take time to complete, and it > will take time to transition into production, hence, it is listed last > in this list. The curious can follow > https://bugzilla.mozilla.org/show_bug.cgi?id=921040. > > Each of these items are large stand-alone projects involving the same > people across multiple groups, so we'll roll each out in the > aforementioned sequence. > > Additional details: > 1) Removing specific versions of an OS from our continuous integration > systems based on vendor support and/or usage data is not a new policy. > We have done this several times in the past. For example, we have > dropped WinXPsp0/sp1/sp2 for WinXPsp3; dropped WinVista for Win7; > dropped Win7 x64 for Win8 x64; and soon we will drop Win8.0 for Win8.1; ... > ** Note for the record that this does *NOT* mean that Mozilla is > dropping support for osx10.7 or 10.8; it just means we think *automated* > testing on 10.6,10.9 is more beneficial. > > 2) To see Firefox's minimum OS requirements see: > https://www.mozilla.org/en-US/firefox/25.0.1/system-requirements > > 3) Apple is offering osx10.9 as a free upgrade to all users of osx10.7 > and osx10.8. Also, note that 10.9 runs on any machine that can run 10.7 > or 10.8. Because the osx10.9 release is a free upgrade, users are > quickly upgrading. We are seeing a drop in both 10.7 and 10.8 users and > in just a month since the 10.9 release, we already have more 10.9 users > than 10.8 users. > > 4) Distribution of Firefox users from the most to the least (data from > 15-nov-2013): > 10.6 - 34% > 10.7 - 23% - slightly decreasing > 10.8 - 21% - notably decreasing > 10.9 - 21% - notably increasing > more info: > http://armenzg.blogspot.ca/2013/11/re-thinking-our-mac-os-x-continuous.html > > 5) Apple is no longer providing security updates for 10.7; any user > looking for OS security updates will need to upgrade to 10.9. Because > OSX10.9 is a free upgrade for 10.8 users, we expect 10.8 to be in > similar situation soon. > > 6) If a developer lands a patch that works on 10.9, but it fails somehow > on 10.7 or 10.8, it is unlikely that we would back out the fix, and we > would instead tell users to upgrade to 10.9 anyways, for the security fixes. > > 7) It is no longer possible to buy any more of the 10.6 machines (known > as revision 4 minis), as they are long desupported. Recycling 10.7 test > machines means that we can continue to support osx10.6 at scale without > needing to buy/rack/recalibrate test and performance results. > > 8) Like all other large OS changes, this change would ride the trains. > Most 10.7 and 10.8 test machines would be reimaged when we make these > changes live on mozilla-central and try, while we'd leave a few behind. > The few remaining would be reimaged at each 6-week train migration. > > If we move quickly, this reimaging work can be done by IT before they > all get busy with the 650-Castro -> Evelyn move. > > For further details, see Armen's blog > http://armenzg.blogspot.ca/2013/11/re-thinking-our-mac-os-x-continuous.html. > To make sure this is not missed, I've cross-posted this to dev.planning, > dev.platform and also blogged about it on > http://oduinn.com/blog/2013/11/21/proposed-changes-to-relengs-osx-build-and-test-infrastructure/. > If you know of anything we have missed, please reply in the dev.planning > thread. > > > John and Armen. > > _______________________________________________ > dev-planning mailing list > dev-plann...@lists.mozilla.org > https://lists.mozilla.org/listinfo/dev-planning > _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
