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

Redis集群报错： CROSSSLOT Keys in request don't error crossslot keys in request don't hash to the same slot error: ERR CROSSSLOT Keys in request don't hash to the same slot At least it returns an error rather than Codis which provides a wrong result! error slot CROSSSLOT error if they are currently not all on the same node If you use other keys in your Lua script and the key is not available on the node it is executed

error_ replication slot is active for pid If you take a look at the error description, it says, Keys in request don't hash to the same slot, it means that we are running some commands