Hadoop中DataNode没有启动解决办法

https://blog.csdn.net/u013129944/article/details/78604651

./stop-dfs.sh

注意只删掉tmp/hdf/data也可以:

hadoop namenode -format  

./start-dfs.sh

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转载自blog.csdn.net/ssllkkyyaa/article/details/83006600