// Bad: 全局锁,所有支付请求都会互相阻塞 await acquireLock("payment-processing", 10_000, ownerId); // Good: 细粒度锁,只串行化同一订单
payment-gateway-networkpolicyspec:podSelector:matchLabels:app: payment-gatewayingress:- from:- podSelector:matchLabels: app: payment-processing