如果您正在使用StackExchange.Redis，根据此github问题 ，您可以使用连接多路复用器对象上的TotalOutstanding属性。

这是我提出的一个实现，它正常工作：

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public static int POOL_SIZE = 100; private static readonly Object lockPookRoundRobin = new Object(); private static Lazy[] lazyConnection = null; //Static initializer to be executed once on the first call private static void InitConnectionPool() { lock (lockPookRoundRobin) { if (lazyConnection == null) { lazyConnection = new Lazy[POOL_SIZE]; } for (int i = 0; i < POOL_SIZE; i++){ if (lazyConnection[i] == null) lazyConnection[i] = new Lazy(() => new Context("YOUR_CONNECTION_STRING", new CachingFramework.Redis.Serializers.JsonSerializer())); } } } private static Context GetLeastLoadedConnection() { //choose the least loaded connection from the pool /* var minValue = lazyConnection.Min((lazyCtx) => lazyCtx.Value.GetConnectionMultiplexer().GetCounters().TotalOutstanding); var lazyContext = lazyConnection.Where((lazyCtx) => lazyCtx.Value.GetConnectionMultiplexer().GetCounters().TotalOutstanding == minValue).First(); */ // UPDATE following @Luke Foust comment below Lazy lazyContext; var loadedLazys = lazyConnection.Where((lazy) => lazy.IsValueCreated); if(loadedLazys.Count()==lazyConnection.Count()){ var minValue = loadedLazys.Min((lazy) => lazy.Value.TotalOutstanding); lazyContext = loadedLazys.Where((lazy) => lazy.Value.TotalOutstanding == minValue).First(); }else{ lazyContext = lazyConnection[loadedLazys.Count()]; } return lazyContext.Value; } private static Context Connection { get { lock (lockPookRoundRobin) { return GetLeastLoadedConnection(); } } } public RedisCacheService() { InitConnectionPool(); }