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Naruto129
V2EX  ›  程序员

UUID 4 的重复概率是多少?

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  •   Naruto129 · Nov 3, 2021 · 5528 views
    This topic created in 1827 days ago, the information mentioned may be changed or developed.

    如图

    5 replies  •  2021-11-03 12:22:32 +08:00
    dai201617
    dai201617
    Nov 3, 2021
    1
    如链接: https://en.wikipedia.org/wiki/Universally_unique_identifier#Collisions

    Thus, the probability to find a duplicate within 103 trillion version-4 UUIDs is one in a billion.
    eason1874
    eason1874
    Nov 3, 2021❤️1
    2
    在 103 万亿 个 版本 4 UUID 中找到重复的概率是 十亿分之一

    https://zh.wikipedia.org/wiki/%E9%80%9A%E7%94%A8%E5%94%AF%E4%B8%80%E8%AF%86%E5%88%AB%E7%A0%81
    Naruto129
    Naruto129
    OP
    Nov 3, 2021
    3
    Naruto129
    Naruto129
    OP
    Nov 3, 2021
    4
    @eason1874 get it
    julyclyde
    julyclyde
    Nov 3, 2021
    5
    问法不对
    需要指定总量,然后才能讨论率
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