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something about cap

something about cap

作者: 黑魔术师 | 来源:发表于2017-09-29 17:58 被阅读7次

    The short summary of the article is that CAP isn’t “C, A, or P, choose
    two,” but rather “When P happens, choose A or C.”

    Partitions, like death and taxes, are unavoidable – think of machine
    death as just a partition of that machine out into the networking
    equivalent of the afterlife. So it’s up to the system designer to
    decide if, when that happens, we give up availability or give up
    consistency.

    In HBase’s case we choose consistency, so we have to give up some availability.
    In Cassandra's case we choose availability.

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