A Deep Dive into Go’s Garbage Collector: Bottlenecks, Benchmarks, and Green Tea GC Improvements

Although Go’s garbage collection (GC) mechanism has undergone multiple rounds of optimization in recent years, its performance bottlenecks — especially in high-concurrency and large-memory scenarios — remain a significant focus for developers. Recently, the official Go team stirred up a discussion on GitHub with their proposal for Green Tea GC (#73581): can it further address the time cost of Go’s…