Qunar Tech Salon
May 5, 2017 · Backend Development
WeChat MQ 2.0: Enhanced Asynchronous Queue Design and Optimizations
The article introduces WeChat's self‑developed MQ 2.0 asynchronous queue, detailing its architecture, cross‑machine consumption model, improved task scheduling, efficient processing frameworks—including a MapReduce‑style engine and streaming tasks—and robust overload protection mechanisms that together boost reliability and performance for large‑scale backend services.
Load BalancingMapReduceMessage Queue
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