hadoop集群安全重启
master节点cd /opt/bigdata/hadoop/hadoop-3.2.0/sbin./stop-all.sh然后三个节点都进行cd /opt/bigdata/hadooprm -rf dfs/*mkdir -p dfs/data mkdir -p dfs/namecd /opt/bigdata/hadoop/hadoop-3.2.0/etc/hadoopvi yarn-site.xml加入下面配置: <property> <.