#### 阿里云Redis云数据库 (集群版);
参考文档:https://www.alibabacloud.com/help/zh/apsaradb-for-redis/latest/limits-on-commands-supported-by-cluster-instances
## 1. 根据如上阿里云的描述,使用阿里云集群架构时,一些LIST命令如:
RPOPLPUSH、BRPOP、BLPOP、BRPOPLPUSH
都是不完全支持的;
目前使用Webman的Redis队列插件(https://www.workerman.net/plugin/12)
\Workerman\RedisQueue\Client::$_redisSubscribe line 243
```php
$this->_redisSubscribe->brPoping = 1;
Timer::add(0.000001, [$this->_redisSubscribe, 'brPop'], [\array_keys($this->_subscribeQueues), 1, $cb], false);
```

## 2. Redis读写分离架构,也有相应的一些限制,参考连接:
https://www.alibabacloud.com/help/zh/apsaradb-for-redis/latest/limits-on-the-commands-supported-by-read-or-write-splitting-instances
请教如何兼容,谢谢;