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今天在做这个实验的时候,出现了一个问题,具体报错是这样的:
解决办法如下: (1)用jps和hdfs dfsadmin -report命令查看进程和各节点是否正常 (2)查看hdfs元数据目录,确保NameNode和DataNode节点的VERSION文件中CLUSTR_ID等数据一致。
(3)如果都正常修改配置文件hdfs-site.xml ,添加如下配置:
在做了这些之后还是不通会遇到如下错误: 这就说明datanode的50010端口没有打开,注意是datanode 不是namenode:所以就需要在datanode的安全组里面把50010端口添加进去,如图所示: 然后重新上传这个文件就成功了。
The text was updated successfully, but these errors were encountered:
你好,想请问第一点,什么样的结果才算的正常的呢,第二点,怎么查看hdfs的元数
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今天在做这个实验的时候,出现了一个问题,具体报错是这样的:
解决办法如下:
(1)用jps和hdfs dfsadmin -report命令查看进程和各节点是否正常
(2)查看hdfs元数据目录,确保NameNode和DataNode节点的VERSION文件中CLUSTR_ID等数据一致。
(3)如果都正常修改配置文件hdfs-site.xml ,添加如下配置:
在做了这些之后还是不通会遇到如下错误:
这就说明datanode的50010端口没有打开,注意是datanode 不是namenode:所以就需要在datanode的安全组里面把50010端口添加进去,如图所示:
然后重新上传这个文件就成功了。
The text was updated successfully, but these errors were encountered: