THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Ambari supports the concept of Stacks and associated Services . Using Stack definitionin a Stack Definition. By leveraging the Stack Definition, Ambari has a consistent and defined interface to install, manage and monitor a set of Services and provides extensibility model for new Stacks + Services to be introduced.
Terminology
| Term | Description |
|---|---|
| Stack |
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| Defines a set of Services and where to obtain the software packages for those Services. A Stack can have one or more version, and each version can be active/inactive. For example, Stack = "HDP-1.3.3". | |
| Service |
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| Defines the Components (MASTER, SLAVE, CLIENT) that make up the Service. For example, Service = "HDFS" |
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| Component | Defines and adhere to a certain defined lifecycle (start, stop, install, etc). For example, Service = "HDFS" has Components = "NameNode (MASTER)", "Secondary NameNode (MASTER)", "DataNode (SLAVE)" and "HDFS Client (CLIENT)" |
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Learn More
In Ambari 1.4.x or earlier, refer to Overview (Ambari 1.4.x or earlier) for more information
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