These customers seek self-provisioned, self-managed, cost-effective infrastructure as an alternative to buying their own equipment and placing it into colocation or into their own data center.
这些客户寻求自供应的、自管理的、廉价的基础设施，用来替代自己购买设备放到租用的主机托管商那或自己的数据中心里的方式。
You need to ensure the Hadoop Master node is provisioned first and write down its IP address so you can specify it when provisioning your Hadoop Data nodes.
您需要确保首先预备了Hadoop Master节点，并写下其IP地址，以便在预备Hadoop Data节点时指定它。
After the Hadoop Master node instance has been provisioned, you can start provisioning as many Data nodes as you want to use for your cluster.
预备Hadoop Master节点实例之后，您可以开始预备将用于集群的多个Data节点。
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