>> We could come to the compromise of running them on m-c, m-a, m-b and m-r. 
>> Only this would help a lot since most of the load comes from m-i and try. We 
>> could make it a non-by-default platform on try.

I wonder if we should do the same for debug 10.6 tests (and maybe builds).

The fact of the matter is that coalescing reduces our test coverage on
m-i as it is; so long as we run these tests on central and we're OK
with occasional bustage there, this seems pretty reasonable to me.

On Thu, Apr 25, 2013 at 2:35 PM, Alex Keybl <ake...@mozilla.com> wrote:
>> We could come to the compromise of running them on m-c, m-a, m-b and m-r. 
>> Only this would help a lot since most of the load comes from m-i and try. We 
>> could make it a non-by-default platform on try.
>
> This strategy would prevent any holes in our coverage, but accomplish the 
> goal of reducing load. Seems very reasonable, given how infrequently I've 
> seen tests fail for one OS X version but not another.
>
> -Alex
>
> On Apr 25, 2013, at 11:02 AM, "Armen Zambrano G." <arme...@mozilla.com> wrote:
>
>> On 2013-04-25 1:40 PM, Andreas Gal wrote:>
>> > How many 10.7 machines do we operate in that pool?
>> >
>> > Andreas
>> 84 of them are 10.6
>> 86 of them are 10.7
>>
>> Unfortunately, we have a lot of them down (maybe a dozen) trying to fix them 
>> (broken hard drives, bad memory, NIC). They don't have warranty.
>>
>> On 2013-04-25 1:55 PM, Justin Lebar wrote:
>>> It would be nice if we had data indicating how often tests fail on
>>> just one version of MacOS, so we didn't have guess how useful having
>>> 10.6, 10.7, and 10.8 tests are.  That's bug 860870.  It's currently
>>> blocked on treeherder, but maybe it should be re-prioritized, since we
>>> keep running into cases where this data would be helpful.
>>>
>> It would be nice indeed.
>>
>>> Anyway, disabling the 10.7 tests sounds reasonable to me given no
>>> data, but maybe we continue running these tests on m-c?  Maybe we also
>>> deprecate the 10.7 tests on tryserver, so you only get the tests if
>>> you really really want them?
>>>
>> We could come to the compromise of running them on m-c, m-a, m-b and m-r. 
>> Only this would help a lot since most of the load comes from m-i and try. We 
>> could make it a non-by-default platform on try.
>> I assume that the wait times for 10.6 should be good enough but we should be 
>> willing to revisit later down the road if they get bad again.
>>
>> We can start with decreasing the load and visit again down the road.
>>
>> Sounds good?
>>
>> cheers,
>> Armen
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>
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