Draft: Patch mget in Redis::Cluster for cross-slot safety and efficiency

Draft: Patch mget in Redis::Cluster for cross-slot safety and efficiency redis crossslot keys in request don't hash to the same slot That's because a Redis Cluster node will only accept multi-key commands where all the keys hash to the same slot To address this, Redis Cluster redis crossslot keys in request don''t hash to the same slot We have trouble executing mutli-key commands in redis cluster mode Have you ever seen “CROSSSLOT Keys in request don't hash to the same slot”

redis crossslot keys in request don''t hash to the same slot Hash tags are used to guarantee that certain keys are placed in the same hash slot, read more about hash tags in the redis cluster tutorial

redis hash slot For a given Redis key, the hash slot for that key is the result CROSSSLOT Keys in request don't hash to the same slot We can also 1 keys Redis connection problem {:exception=>#Redis::CommandError: CROSSSLOT Keys in request don't hash to the same slot>, :level=>:warn