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连接哨兵模式

ConfigurationOptions sentinelConfig = new ConfigurationOptions
{
    ServiceName = "mymaster",
    Password = "mypassword",
    DefaultDatabase = 2,
    AllowAdmin = true,
    AbortOnConnectFail = true,
    TieBreaker = "",//这行在sentinel模式必须加上
};
sentinelConfig.EndPoints.Add("192.168.0.123", 26380);
sentinelConfig.EndPoints.Add("192.168.0.123", 26381);
sentinelConfig.EndPoints.Add("192.168.0.123", 26382);
//sentinelConfig.CommandMap = CommandMap.Sentinel;
//哨兵模式， EXCLUDE a few commands
sentinelConfig.CommandMap = StackExchange.Redis.CommandMap.Create(new HashSet<string>
{
    //"INFO", 
        "CONFIG"
    , "CLUSTER"
    , "PING"
    , "ECHO"
    , "CLIENT"
}, available: false);

注意上面的CommandMap 的 INFO，如果进行移除，当master宕机后，识别不出主从的问题，导致写入的时候，出现写从服务器readonly的错误如果使用 sentinelConfig.CommandMap = CommandMap.Sentinel，则会出现无法读写的问题

上面的配置可以使用连接字符串

public static string ConfigurationForSentinel(int defaultDatabase = 2)
{
    return $"192.168.0.123:26380,192.168.0.123:26381,192.168.0.123:26382,password=mypassword,DefaultDatabase={defaultDatabase},serviceName=mymaster,allowAdmin=true,tiebreaker=,abortConnect=false";
}

这个在使用了StackExchange.Redis的组件均可使用，如

RedLock.netSenparc.Weixin.Cache.Redis