Leo Blöcher
90d · built 2026-09-30
Performance
What Leo Blöcher shipped in the selected window, measured in ETV, and how it compares with the 90 days before it.
Effective capacity
−0.8engineers
delivers like 0.2 (0.2x pre-AI)
Output (ETV)
0.5ETV
−82.8% vs 2.9 prior
Features share
2.0%
−44.9 pp vs prior window
Fixes share
0.0%
−26.9 pp vs prior window
Work mix
2% Features94% Maintenance0% Tests4% Docs0% Fixes
13 commits over 90 days, ending 2026-09-30.
Daily performance
Daily ETV, stacked by Features, Maintenance, Tests, Docs and Fixes.
Repository spread
Where this developer's commits land. Concentrated work (top1 > 80%) vs polymath spread (top1 < 30%).
| Repo | Commits | ETV |
|---|---|---|
| foundations | 4 | 0.5 |
Most impactful commits
Top 10 by ETV in the last 90 days.
- 0.2ETVCache `SharedSpan::is_sampled` for deferred user tracing spans Relaxed atomic load and stores are just regular load and stores on x86 and arm64, so this adds zero cost for regular spans and allows us to avoid some more lock accesses for deferred user tracing spans.github.com-cloudflare-foundations · 31736a72 · 2026-09-03
- 0.2ETVSplit tracing metrics to allow multiple pipelines In #223 we are adding a second tracing pipeline. To avoid clashing metrics between the two, we need to add a label to distinguish them.github.com-cloudflare-foundations · 3f0d07cb · 2026-07-10
- 0.0ETVchore: Releasegithub.com-cloudflare-foundations · 88036c7c · 2026-08-13
- 0.0ETVfix: Make ScrapeFormat non-exhaustive to allow future expansiongithub.com-cloudflare-foundations · 3976f3bc · 2026-08-13