这种情况是不是数据倾斜呢？
来源：5-12 JobHistory使用
maomaoking
2018-11-12
hadoop jar hadoop-mapreduce-examples-2.6.0-cdh5.7.0.jar pi 2 3
Number of Maps = 2
Samples per Map = 3
org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.server.namenode.SafeModeException): Cannot create directory /user/liujingmao/QuasiMonteCarlo_1541980593881_1990473757/in. Name node is in safe mode.
The reported blocks 97 has reached the threshold 0.9990 of total blocks 97. The number of live datanodes 1 has reached the minimum number 0. In safe mode extension. Safe mode will be turned off automatically in 2 seconds.
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2回答
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namenode safe mode。。。。要等正常退出安全模式，才能正常使用
022018-11-12 -
Michael_PK
2018-11-12
namenode save mode。。。。要等正常退出安全模式，才能正常使用
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