目录
大数据集群搭建
大数据集群搭建之Linux安装hadoop3.0.0_qq262593421的博客-CSDN博客
https://cloud.tencent.com/developer/article/1929295
大数据集群之hbase2.1.0高可用安装配置_qq262593421的博客-CSDN博客
hadoop fs -rm -r -f /hbase
stop-habse.sh
rm -rf /usr/local/hadoop/hbase/logs/*
zkCli.sh
ls /hbase
rmr /hbase
quit
start-hbase.sh
http://hadoop001:16010/
ps -aux | grep hive
hadoop job -kill jobid
hadoop fs -rm -r -f /user/hive/*
rm -rf /user/hadoop/hive/logs/*
schematool -dbType mysql -initSchema
nohup hiveserver2 > /dev/null 2>&1 &
http://hadoop001:10002/
stop-habse.sh
stop-all.sh
zkServer.sh stop
rm -rf /home/cluster/hadoop/data/nn/*
rm -rf /home/cluster/hadoop/data/dn/*
rm -rf /home/cluster/hadoop/data/jn/*
rm -rf /home/cluster/hadoop/data/tmp/*
rm -rf /home/cluster/yarn/log/*
rm -rf /usr/local/hadoop/hbase/logs/*
rm -rf /user/hadoop/hive/logs/*
rm -rf /usr/local/hadoop/hive/tmp/*
rm -rf /usr/local/hadoop/hadoop/logs/*
zkCli.sh
ls /yarn-leader-election/
ls /hadoop-ha
rmr /yarn-leader-election
rmr /hadoop-ha
quit
注意:如果只有hadoop和zookeeper使用到zk可以执行这步操作,否则到下一步骤
rm -rf /usr/local/hadoop/zookeeper/data/*
rm -rf /usr/local/hadoop/zookeeper/logs/*
在各个节点上重新生成myid文件,注意每台主机的myid不能相同
echo "1" > /usr/local/hadoop/zookeeper/data/myid
zkServer.sh start
hdfs zkfc -formatZK
hdfs --daemon start zkfc
hdfs --daemon start journalnode
hdfs namenode -format
star-all.sh
hdfs namenode -bootstrapStandby
hdfs --damon start namenode
http://hadoop001:9870/
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