用StackExchange.Redis客户端链接阿里云Redis服务遇到的问题

阿里云推荐的Redis服务.NET客户端是ServiceStack.Redis,但ServiceStack.Redis不支持异步,不支持.NET Core,因而尝试使用StackExchange.RedisMicrosoft.Extensions.Caching.Redis用的也是StackExchange.Redis,因而直接使用Microsoft.Extensions.Caching.Redis。git

测试代码以下:github

var options = new RedisCacheOptions
{
    Configuration = "实例ID.redis.rds.aliyuncs.com:6379,password=实例ID:密码"
};
var cache = new RedisCache(options);
var cacheKey = "redis-test";
var cacheValue = Encoding.UTF8.GetBytes("Hello, World!");
await cache.SetAsync(cacheKey, cacheValue, new DistributedCacheEntryOptions());

代码运行出错:redis

> StackExchange.Redis.RedisServerException: ERR unknown command eval
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNot
ification(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
   at Microsoft.Extensions.Caching.Redis.RedisCache.<SetAsync>d__13.MoveNext()

而访问本身搭建的redis服务器则没这个问题。服务器

向阿里云提交工单后获知阿里云redis服务目前不支持eval命令(更新:后来阿里云redis支持了)。异步

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