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hdfs_dfsadmin [2015/09/08 15:10] steve old revision restored (2015/09/08 21:06) |
hdfs_dfsadmin [2016/04/18 18:16] steve |
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| * [[Hadoop]] | * [[Hadoop]] | ||
| * [[hdfs]] | * [[hdfs]] | ||
| - | * [[dfs]] | ||
| ** Put the cluster in Safemode: ** | ** Put the cluster in Safemode: ** | ||
| Line 11: | Line 10: | ||
| </code> | </code> | ||
| - | ** Generate a list of DataNodes: ** | + | ** Recommission or decommission DataNode(s): ** |
| <code> | <code> | ||
| - | hdfs dfsadmin -report | + | hdfs dfsadmin -refreshNodes |
| </code> | </code> | ||
| - | ** Recommission or decommission DataNode(s): ** | + | ** Get information about your HDFS filesystem: ** |
| <code> | <code> | ||
| - | hdfs dfsadmin -refreshNodes | + | hdfs dfsadmin -report |
| </code> | </code> | ||
| - | ** Get information about your HDFS filesystem: ** | + | ** Check the status of the nodes in the rack ** |
| <code> | <code> | ||
| - | hdfs dfsadmin -report | + | hdfs dfsadmin -printTopology |
| </code> | </code> | ||
