THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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| Term | Description |
|---|---|
| Stack | 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 | Defines the Components (MASTER, SLAVE, CLIENT) that make up the Service. For example, Service = "HDFS" |
| Component | The individual Components that 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)" |
Learn More
In Ambari 1.5.0 or later, refer to Overview (Ambari 1.5.0 or later) for more information
- Overview for more information
In Ambari 1.4.x or earlier, refer to Overview (Ambari 1.4.x or earlier) for more information