Millie K Advanced Golang Programming 2024 [ Premium – How-To ]

| Lab | Problem | Solution | |------|---------|----------| | WebSocket proxy | Memory grows 500MB/day due to closure captures. | Rewrite handlers using method receivers on reusable structs. | | Distributed counter | atomic.AddInt64 bottleneck on 96-core machine. | Sharded counters + per-CPU accumulation + periodic flush. | | JSON unmarshalling | Reflection makes latency spike. | Generate code with mapstructure + pre-allocated pools. |

Unlike other advanced courses, Millie does not shy away from implementation details. She walks through the Go runtime source (line numbers) and explains: millie k advanced golang programming 2024

Example worker pattern: