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====Node Power Control==== | ====Node Power Control==== | ||
- | Each of the three worker nodes (seven nodes on the double-wide Limulus) can be powered up or down from the login node. This feature is generally not used in the **Data Analytics** systems because most of the daemons must be constantly running. In particular, the [[Hadoop Distributed File System|HDFS Management]] (HDFS) runs on all worker nodes. | + | Each of the three worker nodes (seven nodes on the double-wide Limulus) can be powered up or down from the login node. This feature is generally not used in the **Data Analytics** systems because most of the daemons must be constantly running. In particular, the [[HDFS Management|Hadoop Distributed File System]] (HDFS) runs on all worker nodes. |
This feature can be useful for HPC based Limulus systems. Users may turn nodes of and on as needed using the '' | This feature can be useful for HPC based Limulus systems. Users may turn nodes of and on as needed using the '' |