In December there were 159 alerts generated, resulting in 22 regression bugs being filed on average 5.1 days after the regressing change landed.
Welcome to the December 2021 edition of the performance sheriffing newsletter. Here you’ll find the usual summary of our sheriffing efficiency metrics, followed by a review of the year. If you’re interested (and if you have access) you can view the full dashboard.
- All alerts were triaged in an average of 1 day
- 96% of alerts were triaged within 3 days
- Valid regressions were associated with bugs in an average of 2 days
- 86% of valid regressions were associated with bugs within 5 days
2021 in Review
As we welcome a new year, let’s look back at how 2021 looked for performance sheriffing:
- Over 2,100 alert summaries were generated (~6 per day)
- A total of 269 regression bugs were opened
- 39% of these regression bugs were fixed
- All alerts were triaged in an average of 1.4 days
- 87% of alerts were triaged within 3 days
- Valid regressions were associated with bugs in 3.8 days
- 87% of valid regressions were associated with bugs within 5 days
- 151 performance improvements were identified
Summary of alerts
Each month I’ll highlight the regressions and improvements found.
- 😍 10 bugs were associated with improvements
- 🤐 7 regressions were accepted
- 🤩 5 regressions were fixed (or backed out)
- 🤥 1 regression was invalid
- 🤗 1 regression is assigned
- 😨 5 regressions are unassigned
- 😵 0 regressions were reopened
Note that whilst I usually allow one week to pass before generating the report, there are still alerts under investigation for the period covered in this article. This means that whilst I believe these metrics to be accurate at the time of writing, some of them may change over time.
I would love to hear your feedback on this article, the queries, the dashboard, or anything else related to performance sheriffing or performance testing. You can comment here, or find the team on Matrix in #perftest or #perfsheriffs.
The dashboard for December can be found here (for those with access).