Firefox OS/Performance/Investigating Alerts
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When you get an email from fxos-perf-alerts@mozilla.com, there is a good chance it is an automated email.
We have two types of automated alerts:
- Ingestion Alerts (we were expecting data and never received it)
- Regression Alerts (the values of the reported data have changed)
Regression Alerts
A regression alert has a Title in this format: '[ALERT][B2G] <testname> regressed by <-x.x> in <suite>' (example '[ALERT][B2G] email_memory regressed by -3.6 in vsize, vsize').