Why can't some Redis instances use the KEYS command?

redis集群报错CROSSSLOT Keys in request don't hash to the same slot，先上结果：$redis->sDiffStore('live_room:robots:data:'

GeminiDB Redis执行多Key命令时，可能会出现“CROSSSLOT Keys in request don't hash to the same slot”报错。Redis集群架构不支持跨Slot执行涉及多Key的命令，

error_ draggable element must have an item slot 当在Redis Cluster中使用RENAME命令改名时，可能会遇到error) CROSSSLOT Keys in request don't hash to the same slot错误。这是因为Redis

error 1089 So if I know the key I can delete it by the following command without problem: CROSSSLOT Keys in request don't hash to the same slot