Grokking the System Design Interview
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Proxies

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Anonymous

· 2 years ago

"In addition to coordinating requests from multiple servers, proxies can also optimize request traffic from a system-wide perspective. Proxies can combine the same data access requests into one request and then return the result to the user; this technique is called collapsed forwarding. Consider a request for the same data across several nodes, but the data is not in cache. By routing these requests through the proxy, they can be consolidated into one so that we will only read data from the disk once."

Didnt quite catch this. Can this be explained with a better example?

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