tags:

views:

54

answers:

2
Q: 

Wiping out DFS in Hadoop

How do I wipe out the DFS in Hadoop?

+3  A:  
hadoop dfs -rmr /
wrang-wrang  2009-09-10 23:50:18
+1  A:  
bin/hadoop namenode -format
SquareCog  2009-09-10 23:52:05
Watchout: existing old datanodes won't work with this newly formatted dfs.See http://issues.apache.org/jira/browse/HDFS-107
Leonidas  2010-01-25 12:31:23

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