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If "Master/Slave" terminology in computing sounds bad now, why not change it to "Dom/Sub"?
(lemmy.dbzer0.com)
A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. A showerthought should offer a unique perspective on an ordinary part of life.
In Cassandra all nodes are equal, but specific nodes hold specific parts of data. The only concept is the coordinator node which is the node that got the query. All nodes can handle all queries. The coordinator node is different per request.