Blog

English translations of my articles originally published in Japanese on zenn.dev. Only selected recent articles are translated here; see the original site for the full archive in Japanese.

• Understanding OpenTelemetry's Consistent Probability Sampling (2026-07-17)
• Viewing Claude Desktop and Codex App Telemetry in Grafana Cloud (June 2026) (2026-06-17)
• Viewing Claude Code and Codex CLI Telemetry in Grafana Cloud (2026-06-16)
• I Built a k6 Extension That Synthesizes Telemetry Data in OpenTelemetry Format (2026-06-15)