xfy f20eafbb28 perf(stream): Balancer healthy slice 池化减少分配
- roundRobin/weightedRoundRobin/ipHash 添加 healthyPool sync.Pool
- Select 方法使用 pool.Get/Put 复用 []*Target slice
- steady-state allocs/op 从 slice 分配降至 1(仅 pool 接口开销)

Benchmark: roundRobin 1 allocs/op, weightedRoundRobin 1 allocs/op

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-04-29 09:44:41 +08:00
..
2026-04-03 14:07:42 +08:00