WeChat Backend Team

Jun 1, 2023 · Big Data

How WeChat Boosted Flink Stability with TaskManager Recovery and Load Balancing

This article details WeChat’s Gemini‑2.0 real‑time streaming platform built on Flink, explaining two key stability enhancements: a TaskManager‑level partial failure recovery that avoids data loss during node crashes, and a load‑balancing scheduler that evenly distributes tasks across TaskManagers to improve resource utilization and reduce latency.