大数据单位 MB、GB、TB、PB、EB
2015-09-09 15:26
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下面先按顺序给出所有单位:Byte、KB、MB、GB、TB、PB、EB、ZB、YB、DB、NB
按照进率1024(2的十次方)计算:
1Byte = 8 Bit
1 KB = 1,024 Bytes
1 MB = 1,024 KB = 1,048,576 Bytes
1 GB = 1,024 MB = 1,048,576 KB = 1,073,741,824 Bytes
1 TB = 1,024 GB = 1,048,576 MB = 1,073,741,824 KB = 1,099,511,627,776 Bytes
1 PB = 1,024 TB = 1,048,576 GB =1,125,899,906,842,624 Bytes
1 EB = 1,024 PB = 1,048,576 TB = 1,152,921,504,606,846,976 Bytes
1 ZB = 1,024 EB = 1,180,591,620,717,411,303,424 Bytes
1 YB = 1,024 ZB = 1,208,925,819,614,629,174,706,176 Bytes
下面拿NB为例
在现阶段的TB时代,1TB的硬盘的标准重量是670g
1NB=2的60次方TB=1152921504606846976TB=1152921504606846976个1TB硬盘
总重量约为77245740809万吨。
荷兰银行的20个数据中心有大约7PB磁盘和超过20PB的磁带存储,而且每年50%~70%存储量的增长,计算一下27PB大约为 40万个80G的硬盘大小。
按照进率1024(2的十次方)计算:
1Byte = 8 Bit
1 KB = 1,024 Bytes
1 MB = 1,024 KB = 1,048,576 Bytes
1 GB = 1,024 MB = 1,048,576 KB = 1,073,741,824 Bytes
1 TB = 1,024 GB = 1,048,576 MB = 1,073,741,824 KB = 1,099,511,627,776 Bytes
1 PB = 1,024 TB = 1,048,576 GB =1,125,899,906,842,624 Bytes
1 EB = 1,024 PB = 1,048,576 TB = 1,152,921,504,606,846,976 Bytes
1 ZB = 1,024 EB = 1,180,591,620,717,411,303,424 Bytes
1 YB = 1,024 ZB = 1,208,925,819,614,629,174,706,176 Bytes
下面拿NB为例
在现阶段的TB时代,1TB的硬盘的标准重量是670g
1NB=2的60次方TB=1152921504606846976TB=1152921504606846976个1TB硬盘
总重量约为77245740809万吨。
荷兰银行的20个数据中心有大约7PB磁盘和超过20PB的磁带存储,而且每年50%~70%存储量的增长,计算一下27PB大约为 40万个80G的硬盘大小。
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