Tag: pprof

All the articles with the tag "pprof".

• Go encoding/json v1 vs v2 under load: Go 1.26, Go 1.27 and MarshalWrite

  9 Nov, 2026

  The same notes API built three ways (encoding/json on Go 1.26, the same code on Go 1.27, and encoding/json/v2) and loaded with k6 on a 2 vCPU DigitalOcean machine. Requests per second, p95 and p99, CPU profiles, and why MarshalWrite made the list endpoint slower here.