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Date:2015-06-20 Title: 对openstack的初步认识 Tags:openstack Category:IT
Openstack是把大机器虚拟成很多小机器从而达到大的分成小的来用，大大提高资源使用率。
Hadoop是把小机器合起来用，用于解决单台大机器无法解决的计算和存储等问题。