c*e
3 楼
真海量,至少200个机器的cluster处理才能算。一般来说,有个1T你要说海量也行吧。
average hadoop job处理不到10G的数据。 计算比数据更影响scalablity, 100T的数据
做个COUNT也远远比不上1T JOIN一把。
average hadoop job处理不到10G的数据。 计算比数据更影响scalablity, 100T的数据
做个COUNT也远远比不上1T JOIN一把。
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