Alibaba Cloud Developer

Mar 26, 2025 · Cloud Native

How LoongCollector Doubled Log Collection Speed with Four Key Optimizations

This article details the architectural overhaul of iLogtail into LoongCollector, explains why generalization caused a 15% performance drop, and walks through four systematic optimizations—including memory arenas, eliminating shared_ptr, event pooling, and direct serialization—that ultimately restored and doubled log‑collection throughput.