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Why my in-memory cluster underperforms? Negating network impact.

Memory access is so much faster than disk I/O that many of us expect to gain striking performance advantages by merely deploying a distributed in-memory cluster and start reading data from it. However, sometimes we overlook the fact that a network interconnects cluster nodes with our applications, and it can quickly diminish the positive effects of having an in-memory cluster if a lot of data gets transferred continuously over the wire.
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The usual answer is - Google it... Oh, you did? Well, the odds are that you are not any closer to the answer - and you are not alone.Working on Grid Computing for the last 5 years I've accumulated my own share of strange looks on people faces when trying to describe to them the grid computing idea. What is fascinating is that the actual concepts behind Grid Computing are very familiar, simple and…
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