A Single Redis Hot Key Can Defeat the Point of a Cluster
Redis Cluster spreads hash slots across shards, not one key across shards. A single extremely popular key can saturate the shard that owns it while the rest of the cluster is mostly idle.
Redis Cluster spreads hash slots across shards, not one key across shards. A single extremely popular key can saturate the shard that owns it while the rest of the cluster is mostly idle.