During their recent work, Gang Li enhanced reliability and observability across the etcd ecosystem, focusing on backend development and monitoring. In the slackhq/etcd repository, Gang addressed test flakiness by introducing a TimeoutInterface for per-failpoint timeouts and extending test durations, improving test stability. For k3s-io/etcd, Gang implemented a Prometheus gauge to track feature enablement, increasing production visibility into feature rollout. In the etcd-io/bbolt repository, Gang expanded the benchmarking tool with new command-line flags and a write mode simulating sequential deletions, enabling more realistic workload analysis. Their work leveraged Go, Prometheus, and advanced benchmarking techniques.