Aikesheng Open Source Community

May 19, 2022 · Databases

Performance Tuning of Pika KV Store: How max‑write‑buffer‑size Affects I/O and QPS

This article analyzes a real‑world migration from MongoDB to the open‑source Pika KV store, demonstrating how adjusting the max‑write‑buffer‑size parameter dramatically improves disk I/O characteristics and raises query‑per‑second throughput from 3 K to 40 K.