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 testingBig DataMetric Collection
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