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Info |
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When describing cluster topology we are talking about a logical arrangement that only exists on the "discovery" level. For example, when querying data residing in caches, a cluster might use a different topology than described here. |
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TcpDiscoverySpi
organizes all server nodes of a cluster into a ring-shaped structure where each node can only send discovery messages to a single node (called a "neighbor"). Client nodes stay outside of the ring and are always connected to a single server. This logic is contained inside ServerImpl
and ClientImpl
classes for server and client nodes respectively.
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