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Cluster Summary
This scenario checks Clusters health state. User can choose the Cluster by clicking Cluster Name, after User can see intuitively visualization: - Cluster Services
- Participating Hosts
- Live vs. Dead Nodes
- Space Utilization
After user selects a Cluster Service, Participating Hosts will populate automatically. |
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HDFS Service Summary
This scenario checks HDFS Cluster Services health state. User can choose the Cluster by clicking Parent Cluster Name, after User can see intuitively visualization: - Files Summary metrics
- Block Summary metrics
- I/O Summary metrics
- Capacity Remaining
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HDFS NameNode
This scenario checks NameNode Host Component health state. User can choose the Cluster by clicking Parent Cluster Name, after User can see intuitively visualization: - Memory Heap Utilization
- Thread Status
- Garbage Collection Time (ms)
- Average RPC Wait Time
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MapReduce Service Summary
This scenario checks MapReduce Cluster Services health state. User can choose the Cluster by clicking Parent Cluster Name, after User can see intuitively visualization: - Jobs Summary
- TaskTrackers Summary
- Slots Utilization
- Maps vs. Reducers
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MapReduce JobTracker
This scenario checks JobTracker Host Component health state. User can choose the Cluster by clicking Parent Cluster Name, after User can see intuitively visualization: - Memory Heap Utilization
- Threads Status
- Garbage Collection Time (ms)
- Average RPC Wait Time
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Alerts
The following Alerts are configured by Ambari SCOM:
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