P99 CONF 2025 is coming Oct 22-23! Call for speakers is open.

SESSION ON-DEMAND

All Things P99

The event for developers who care about P99 percentiles and high-performance, low-latency applications

How We Reduced Performance Tuning Time by Orders of Magnitude with Database Observability

PingCap’s Database Performance Engineer Yuying will share how to measure latency in a distributed system using a top-down (holistic) approach, and why they introduced “tuning by database time” and “tuning by color” into TiDB.

23 minutes

Yuying Song, Database Performance Engineer at PingCAP

Yuying (Yui) Song is a database performance engineer in PingCAP with 5 years of experience in database management, performance tuning and diagnosis tool design. Yui has deep insights not only in database but also customer demand, with expertise to transfer prospects to customers by highly effective solutions. Previously, Yui worked in Oracle Real-World Performance Team.