Retrieval commands (there are two: "get" and "gets") ask the server to retrieve data corresponding to a set of keys (one or more keys in one request). The client sends a command line, which includes all the requested keys; after that for each item the server finds it sends to the client one response line with information about the item, and one data block with the item's data; this continues until the server finished with the "END" response line.

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J. Jeyaseelan
Everything Possible