CDH5.X徹底卸載步驟

1. 關閉集羣中的全部服務。sql

 這個能夠經過clouder manger 主頁關閉集羣。oop

2. 卸載ui

[root@master ~]# /usr/share/cmf/uninstall-cloudera-manager.sh 
spa


[root@slave1 ~]# service cloudera-scm-agent stop
.net

[root@slave1 ~]# service cloudera-scm-agent stop版本控制


一下都是全部要卸載的集羣均要執行清除工做:進程

[root@master ~]# umount /var/run/cloudera-scm-agent/process
hadoop

[root@slave1 ~]# umount /var/run/cloudera-scm-agent/process
get

[root@slave2 ~]# umount /var/run/cloudera-scm-agent/processast


[root@master ~]# rm -rf /usr/share/cmf /var/lib/cloudera* /var/cache/yum/x86_64/6/cloudera* /var/log/cloudera* /var/run/cloudera*  /etc/cloudera* 


3. 卸載安裝包:

[root@slave1 ~]# rpm -qa | grep cloudera

[root@slave2 ~]# for f in `rpm -qa | grep cloudera `  ; do rpm -e ${f} ; done     (若是有保存,在執行一遍)


4. 清除安裝文件

 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 


//只刪除hadoop系列的,不要刪除其餘軟件的,不然其餘軟件的版本控制會被破壞

[root@master alternatives]# rm -rf ` find /var/lib/alternatives/* ! -name "mta" ! -name "print" ! -name "zlibrary-ui"  -mtime -3` 

[root@master alternatives]# rm -rf /etc/alternatives/* 


5. 殺死相關進程:

for u in hdfs mapred cloudera-scm hbase hue zookeeper oozie hive impala flume; do sudo kill $(ps -u $u -o pid=); done


6. 刪除parcel包分發文件和解壓文件

  rm -rf /opt/cloudera/parcel-cache /opt/cloudera/parcels

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