Ambari Install Hadoop ecosystem for 9 steps

Ambari for provisioning，managing and monitoring Hadoop

1. Install Ambari Server；

2. Enter list of hosts to be included in the cluster and provide your SSH key；

3. Register your hosts（Confirm hosts）；

4. Host checks；

5. Choose Services（HDFS，MR，Nagios，Ganglia，Hive，HBase，Pig，Sqoop，Zookeeper，，）；

6. Assign slaves and clients components to hosts you want to run them on；

7. Customize services；

8. Review（Plz review the configuration before installation）；

9.  Install，Start and Test.

refer to:http://zh.hortonworks.com/kb/get-started-setting-up-ambari/

so far，hadoop ecosystem mainly maintanence by Hortonworks(HDP,that is Hortonworks Data Platform) and Cloudera.

Apache Ambari User Guide:

http://ambari.apache.org/1.2.2/installing-hadoop-using-ambari/content/index.html

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