解决了

RF2数据的2或3个副本

  • 2017年3月16日
  • 3回复
  • 1066的浏览量
V
Userlevel 2
徽章 + 17
需要知道当我们说RF2时，将创建多少个数据A的副本?一份副本，即一份主要原始数据和一份辅助原始数据。或者一个主要原始数据和2个次要副本。
图标

最佳答案乔恩2017年3月17日，00:07

\n
\nRF 3 = 3 copies.
\n
\ni.e: RF2 for random-file-name-here.exe, which is 10G would take up 20G of storage
\n
\nRF3 for that same file would be 30G of storage
\n
\nThis assumes no data reduction, or use of erasure coding.
\n
\nErasure coding, Compression, Dedupe, and Zero suppression could make that 20G (or 30G) of storage much, much, much less","className":"post__content__best_answer"}">
查看原始
ThanksVivek

    3回复

    乔恩
    排名
    Userlevel 6
    徽章 + 29
    RF 2 = 2个拷贝

    RF 3 = 3份。

    例如:RF2为随机文件名在这里。exe，这是10G将占用20G的存储空间

    相同文件的RF3存储空间为30G

    这假设没有数据缩减或使用擦除编码。

    擦除编码、压缩、重复数据删除和零抑制可以大大减少20G(或30G)的存储空间
    JonKohler |技术总监，工程，Nutanix | Nutanix NPX #003, VCDX #116 | @JonKohler |如果有用请赞美!
    \n
    \nRF 3 = 3 copies.
    \n
    \ni.e: RF2 for random-file-name-here.exe, which is 10G would take up 20G of storage
    \n
    \nRF3 for that same file would be 30G of storage
    \n
    \nThis assumes no data reduction, or use of erasure coding.
    \n
    \nErasure coding, Compression, Dedupe, and Zero suppression could make that 20G (or 30G) of storage much, much, much less","quoteUsername":"Jon","translations":{"Common":{"like":"Like","unlike":"Unlike"},"Forum":{"Quote":"Quote","Share":"Share"}}}">
    V
    Userlevel 2
    徽章 + 17
    意思是说

    RF2:原始数据实例+它的一个副本
    RF3:原始数据实例+ 2个副本

    对吧?
    ThanksVivek
    \n
    \nRF2: orignal data instance + one copy of it
    \nRF3: Orignal data instance + 2 copies of it
    \n
    \nright?","quoteUsername":"vivekds","translations":{"Common":{"like":"Like","unlike":"Unlike"},"Forum":{"Quote":"Quote","Share":"Share"}}}">
    patrbng
    Userlevel 4
    徽章 + 19
    是的。这些副本的碎片分散在整个集群中，但绝不会与原始副本在同一个节点上。

    回复


    Baidu