Greenplum is not offering Hadoop-as-a-service but rather providing a platform of over 10,000 virtual nodes and 24 PB of storage to test Hadoop itself.
Greenplum并不提供Hadoop - as - a - Service，而是提供了一个超过10000虚拟节点和24PB存储容量的平台，用于对Hadoop本身进行测试。
Virtual nodes help as they provide multiple nodes per physical node.
虚拟结点则可以解决这个问题，因为它会在每个物理结点上提供多个节点。
Virtual nodes help as they provide multiple nodes per physical node.
虚拟结点则可以解决这个问题，因为它会在每个物理结点上提供多个节点。
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