把4個節點加12G內存,把hive的heap調到6G,按group
重啟服務讓配置生效
注:
停服務前在yarn的application webui查flink的application id
yarn application -kill application_1567486895264_9227
1/ CDH停集群各服務,停CM.命令停mysql服務,停nginx,停機擴容磁盤
systemctl stop mariadb.service
或systemctl stop mysqld.service
systemctl stop cloudera-scm-server
systemctl stop cloudera-scm-agent
2/ 擴容后重啟node1,啟動mysql, 啟動cm,
systemctl start mariadb.service
systemctl status cloudera-scm-server
systemctl start cloudera-scm-server
systemctl restart cloudera-scm-agent
systemctl enable cloudera-scm-agent
systemctl status cloudera-scm-agent
3/ 在控制台啟CM,啟集群服務