CAP question

Dan Reverri reverri at gmail.com
Sat Oct 10 16:24:02 EDT 2009


This is more of a CAP oriented question but I was hoping someone on this
list could confirm or deny my understanding of N, R, and W.

Is it correct to say that a net split would not be able to create
inconsistent data if N is set to 3 and R = W = 2?

If R/W require a majority of N replicas to participate in a request, two
split nodes could not approve a request on a single key. Is this an example
of choosing consistency over availability?

Thank you
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