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卸载Cloudera manager

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1. 关闭集群中的所有服务。

 这个可以通过clouder manger 主页关闭集群。
 
2. 卸载,主节点卸载
 /usr/share/cmf/uninstall-cloudera-manager.sh 
 
从节点停止agent:
service cloudera-scm-agent stop
 
主从节点:
umount /var/run/cloudera-scm-agent/process
 
rm -rf /usr/share/cmf /var/lib/cloudera* /var/cache/yum/x86_64/6/cloudera* /var/log/cloudera* /var/run/cloudera*  /etc/cloudera* 
 
3. 卸载安装包:
 for f in `rpm -qa | grep cloudera `  ; do rpm -e ${f} ; done
有依赖关系的,可执行多次
 
4. 清除安装文件
 rm -rf /var/lib/hadoop-* /var/lib/impala /var/lib/solr /var/lib/zookeeper /var/lib/hue /var/lib/oozie  /var/lib/pgsql  /var/lib/sqoop2  /data/dfs/  /data/impala/ /data/yarn/  /dfs/ /impala/ /yarn/  /var/run/hadoop-*/ /var/run/hdfs-*/ /usr/bin/hadoop* /usr/bin/zookeeper* /usr/bin/hbase* /usr/bin/hive* /usr/bin/hdfs /usr/bin/mapred
/usr/bin/yarn /usr/bin/sqoop* /usr/bin/oozie /etc/hadoop* /etc/zookeeper* /etc/hive* /etc/hue /etc/impala /etc/sqoop*
/etc/oozie /etc/hbase* /etc/hcatalog 
 
主从各节点:
cd /var/lib/alternatives
rm -rf zook* whirr  sqoop* hadoop* yarn  statestored  solr* sentry* spark* hive* pyspark  pig* oozie* mapred  mahout* llama* impala* hbase* flume* load_gen  kite-dataset  avro-tools hue* hdfs* hcat cli* beeline catalogd
 
cd /etc/alternatives/
rm -rf zook* whirr  sqoop* hadoop* yarn  statestored  solr* sentry* spark* hive* pyspark  pig* oozie* mapred  mahout* llama* impala* hbase* flume* load_gen  kite-dataset  avro-tools hue* hdfs* hcat cli* beeline catalogd
 
5. 杀死相关进程:
for u in hdfs mapred cloudera-scm hbase hue zookeeper oozie hive impala flume; do sudo kill $(ps -u $u -o pid=); done
 
6. 删除parcel包分发文件和解压文件
  rm -rf /opt/cloudera/parcel-cache /opt/cloudera/parcels
 
 
到此卸载完毕。
 
 
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