hadoop基本操作-002_info sasl.sasldatatransferclient: sasl encryption

作者：Gausst松鼠会 | 2024-05-23 18:08:31

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info sasl.sasldatatransferclient: sasl encryption trust check: localhosttrus

上一篇我们已经搭建好hadoop集群，之后我们可以访问2个地址

我们在hadoop102上创建文件

[root@hadoop102 hadoop-3.1.3]# hadoop fs -mkdir /wcinput

上传文件


[root@hadoop102 hadoop-3.1.3]# hadoop fs -put wcinput/word.txt /wcinput
2022-10-15 14:42:26,228 INFO sasl.SaslDataTransferClient: SASL encryption trust check: localHostTrusted = false, remoteHostTrusted = false
[root@hadoop102 hadoop-3.1.3]#


[root@hadoop102 hadoop-3.1.3]# hadoop fs -put /opt/software/jdk-8u251-linux-x64.tar.gz /
2022-10-15 14:45:04,690 INFO sasl.SaslDataTransferClient: SASL encryption trust check: localHostTrusted = false, remoteHostTrusted = false
2022-10-15 14:45:07,333 INFO sasl.SaslDataTransferClient: SASL encryption trust check: localHostTrusted = false, remoteHostTrusted = false
[root@hadoop102 hadoop-3.1.3]#


[root@hadoop102 hadoop-3.1.3]# hadoop fs -mkdir /input
[root@hadoop102 hadoop-3.1.3]# hadoop jar share/hadoop/mapreduce/hadoop-mapreduce-examples-3.1.3.jar wordcount /input /output

如果不小心杀死进程的话，需要删除data和log文件夹，每台机器都要运行，先停止再删除

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