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7.3. Locating Entries in Distribution Mode

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The consistent hash algorithm used in Red Hat JBoss Data Grid's distribution mode can locate entries deterministically, without multicasting a request or maintaining expensive metadata.
A PUT operation can result in as many remote calls as specified by the num_copies parameter, while a GET operation executed on any node in the cluster results in a single remote call. In the background, the GET operation results in the same number of remote calls as a PUT operation (specifically the value of the num_copies parameter), but these occur in parallel and the returned entry is passed to the caller as soon as one returns.
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