How to start and stop CDH4/5 Cluster correctly
Today, the editor will share with you the relevant knowledge points about how to start and stop the CDH4/5 cluster correctly. The content is detailed and the logic is clear. I believe most people still know too much about this, so share this article for your reference. I hope you can get something after reading this article. Let's take a look at it.
Stop:
1.cm web http://172.16.102.63:7180/
A.stop Cluster1
B.stop Cloudera Management Service
2.stop agent and server
[root@sh-datascienceresearch-01 ~] # service cloudera-scm-agent stop
[root@sh-datascienceresearch-02 ~] # service cloudera-scm-agent stop
[root@sh-datascienceresearch-03 ~] # service cloudera-scm-agent stop
[root@sh-datascienceresearch-04 ~] # service cloudera-scm-agent stop
[root@sh-datascienceresearch-05 ~] # service cloudera-scm-agent stop
[root@sh-datascienceresearch-01 ~] # service cloudera-scm-server stop
3.stop cm database
Sh-datascienceresearch-01.telenav.cn:mysqladmin:/usr/local/mysql: > service mysql stop
Start:
1.start cm database
Sh-datascienceresearch-01.telenav.cn:mysqladmin:/usr/local/mysql: > service mysql start
2.start server and agent
[root@sh-datascienceresearch-01 ~] # service cloudera-scm-server start
# wait 1min
[root@sh-datascienceresearch-01 ~] # service cloudera-scm-agent start
[root@sh-datascienceresearch-02 ~] # service cloudera-scm-agent start
[root@sh-datascienceresearch-03 ~] # service cloudera-scm-agent start
[root@sh-datascienceresearch-04 ~] # service cloudera-scm-agent start
[root@sh-datascienceresearch-05 ~] # service cloudera-scm-agent start
3.cm web http://172.16.102.63:7180/
A.start Cluster1
B.start Cloudera Management Service
# if the web interface appears and the chart information such as host is read incorrectly, restart Cluster1 or Cloudera Management Service manually
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