Mac 安装一个单机版的hadoop集群

• Hadoop https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-common/SingleCluster.html#Pseudo-Distributed_Operation
• Hive https://www.cnblogs.com/taojietaoge/p/11029529.html
• Spark

web界面访问 namenode
http://localhost:9870/dfshealth.html#tab-datanode

记录问题

• https://blog.csdn.net/weixin_39076716/article/details/92793139 datenode 启动失败
• https://www.cnblogs.com/jaysonteng/p/13412763.html 版本冲突
• https://www.cnblogs.com/0xcafedaddy/p/8250372.html 临时目录