Absolutely not. While working for Amazon we had to think about a lot how to "shard" our fleets to have the least amount of items in every cache and maintain hig

Absolutely not. While working for Amazon we had to think about a lot how to "shard" our fleets to have the least amount of items in every cache and maintain high hit ratios. If you let all traffic hit a single cluster your cache hit ratios will be terrible and most customers are going to experience worst case latency which is absolutely do not work for popular websites.