Didi Tech
Jan 12, 2021 · Big Data
Upgrading DiDi Real‑time Computing Engine from Flink 1.4 to Flink 1.10: Challenges, Optimizations, and Lessons Learned
DiDi upgraded its massive real‑time computing engine from Flink 1.4.2 to Flink 1.10, implementing a transparent migration across 1500 machines, adding native DDL, binary rows, MiniBatch, improved scheduling and window functions, and establishing a rigorous testing pipeline that achieved 99.9 % compatibility while preventing OOM issues.
BigDataFlinkPerformanceOptimization
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