Telemetry implications of per channel profiles

[Alessio Placitelli]

2017-10-16 19:16 GMT+02:00 Dave Townsend <dtownsend at mozilla.com>:

> On Mon, Oct 16, 2017 at 9:31 AM Alessio Placitelli <
> aplacitelli at mozilla.com> wrote:
>
>>
>> 2017-10-12 15:11 GMT+02:00 Romain Testard <romain at mozilla.com>:
>>
>>> Hi all,
>>>
>>> We're planning on implementing dedicated profiles per channel (bug
>>> 1373244), hopefully in Firefox 59, to help address profile corruption
>>> issues our users can encounter when using a profile previously used on a
>>> later version.
>>> Once it gets implemented we'll have more profiles on telemetry and it
>>> probably impacts the interpretation we have of our telemetry data. A
>>> solution may be to implement a correlation ID between different profiles
>>> although current datasets and analysis would likely be impacted.
>>>
>>> If there are specific concerns about this please let me know since we’re
>>> still at scoping stage.
>>>
>>
>> Something came out in our team meeting today: we should make sure to
>> retain the profile creation date when creating and populating a new clone
>> profile  for Nightly/Beta [1], otherwise they will look like new users.
>>
>> [1] - http://searchfox.org/mozilla-central/source/toolkit/
>> components/telemetry/TelemetryEnvironment.jsm#1411
>>
>
> This makes an assumption that we're cloning profiles for Beta/Nightly
> users, something that hasn't really been figured out yet. How do we deal
> with current users who have multiple profiles with different creation dates?
>

Ah, I was referring to the proposal at:
https://groups.google.com/forum/#!topic/mozilla.dev.platform/-caAmk_ijnY
Currently, we can't really say if different profiles are tied to the same
user, as far as I know.
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