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Qunar Tech Salon
Qunar Tech Salon
Sep 1, 2025 · Databases

Redesigning Database Monitoring: From Push to Pull for Smarter Alerts

This article analyzes the shortcomings of the legacy database monitoring system, explains the transition from a push‑based to a pull‑based architecture, outlines comprehensive metric collection, intelligent alert strategies, and self‑healing mechanisms, and showcases the performance improvements achieved with the new solution.

AlertingDatabase MonitoringPrometheus
0 likes · 25 min read
Redesigning Database Monitoring: From Push to Pull for Smarter Alerts
Youzan Coder
Youzan Coder
Dec 6, 2019 · Big Data

Improving SparkSQL Stability and Performance at Youzan: Thrift Server Enhancements, Metric Collection, and Lessons Learned

Youzan’s big‑data team boosted SparkSQL stability and performance by reinforcing the Thrift Server, implementing AB gray‑release testing, collecting real‑time metrics, adding an engine‑selection service, and completing a second migration that raised SparkSQL’s workload share to 91 %, while documenting key pitfalls and tuning lessons.

AB testingSparkSQLThrift Server
0 likes · 15 min read
Improving SparkSQL Stability and Performance at Youzan: Thrift Server Enhancements, Metric Collection, and Lessons Learned