Tencent Cloud Developer

Aug 15, 2024 · Databases

Architecture Upgrade Challenges and Atomic Write Solutions for Cloud-native Databases

Collaborating across TencentOS and database kernel teams, the article details how architecture upgrades—moving to TKE HouseKeeper, switching to AMD CPUs, and adding a portable 16 KB atomic‑write feature—combined with kernel optimizations like huge‑page support, NUMA‑aware qspinlocks, speculative page‑fault handling, and ORC unwinding to deliver up to 30 % mixed workload and over 100 % write‑only performance gains while reducing memory usage.