What is the latency WITHIN a data center? I ask this assuming there are orders of magnitude of difference
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I am trying to figure out something that I just cannot find a good answer to. If I have say a REDIS cache (or some external in-memory cache) sitting in a data center, and an application server sitting in the same data center, what will be the speed of the network connection (latency, throughput) for reading data between these two machines? Will the network "speed", for example, be still at least an order of magnitude higher than the speed of the RAM that is seeking my data out of the cache on REDIS? My ultimate question is -- is having this all sitting in memory on REDIS actually providing any utility? Contraste...