<div dir="ltr">This was expected, now the cookies probe includes plugin cookies<br></div><br><div class="gmail_quote"><div dir="ltr">On Fri, Jun 29, 2018 at 8:03 AM <<a href="mailto:telemetry-alerts@mozilla.com">telemetry-alerts@mozilla.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">We have detected a change in the Telemetry probe FX_SANITIZE_COOKIES_2 in Firefox Nightly builds from 2018-06-04.<br>
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Alert details: <a href="http://alerts.telemetry.mozilla.org/index.html#/detectors/1/metrics/1352/alerts/?from=2018-06-04&to=2018-06-04" rel="noreferrer" target="_blank">http://alerts.telemetry.mozilla.org/index.html#/detectors/1/metrics/1352/alerts/?from=2018-06-04&to=2018-06-04</a><br>
Changes new to Nightly builds on 2018-06-04: <a href="https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=0ee6b755ab2ee6d2ab79b17cc97bd4e83424cbfc&tochange=d8f180ab74921fd07a66d6868914a48e5f9ea797" rel="noreferrer" target="_blank">https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=0ee6b755ab2ee6d2ab79b17cc97bd4e83424cbfc&tochange=d8f180ab74921fd07a66d6868914a48e5f9ea797</a><br>
The value of FX_SANITIZE_COOKIES_2 over time: <a href="https://telemetry.mozilla.org/new-pipeline/evo.html#!measure=FX_SANITIZE_COOKIES_2" rel="noreferrer" target="_blank">https://telemetry.mozilla.org/new-pipeline/evo.html#!measure=FX_SANITIZE_COOKIES_2</a><br>
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What to do about this:<br>
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1. File a bug to track your investigation. You can just copy this email into the bug Description to get you started.<br>
2. Reply-All to this email to let the list know that you are investigating. Include the bug number so we can help out.<br>
3. Triage the alert. You can find instructions here: <a href="http://alerts.telemetry.mozilla.org/index.html#/detectors/1/metrics/1352/alerts/?from=2018-06-04&to=2018-06-04" rel="noreferrer" target="_blank">http://alerts.telemetry.mozilla.org/index.html#/detectors/1/metrics/1352/alerts/?from=2018-06-04&to=2018-06-04</a><br>
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If you have any problems, please ask for help on the #telemetry IRC channel or on Slack in #fx-metrics. We'll give you a hand.<br>
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What this is:<br>
We have a system called cerberus[1] that compares Telemetry collected on different Nightly builds and looks for sudden changed in value distributions using the Bhattacharyya Distance[2]. It found such a change in FX_SANITIZE_COOKIES_2 on 2018-06-04 so it asked its buddy medusa[3] to send this email to the dev-telemetry-alerts mailing list and to all email addresses listed in the alert_emails field of FX_SANITIZE_COOKIES_2's definition.<br>
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You can do this!<br>
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Your Friendly, Neighbourhood Firefox Telemetry Team<br>
[1]: <a href="https://github.com/mozilla/cerberus" rel="noreferrer" target="_blank">https://github.com/mozilla/cerberus</a><br>
[2]: <a href="https://en.wikipedia.org/wiki/Bhattacharyya_distance" rel="noreferrer" target="_blank">https://en.wikipedia.org/wiki/Bhattacharyya_distance</a><br>
[3]: <a href="https://github.com/mozilla/medusa" rel="noreferrer" target="_blank">https://github.com/mozilla/medusa</a><br>
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