https://community.cloudera.com/t5/Support-Questions/How-to-restart-NameNode-or-all-the-daemons-in-Hadoop/m-p/235086#M196906 <P><A rel="user" href="https://community.cloudera.com/users/81180/bansalhimani136-1.html" nodeid="81180">@Himani Bansal<BR /></A></P><P>It can be done using Ambari UI or API calls.</P><P><A rel="user" href="https://community.cloudera.com/users/81180/bansalhimani136-1.html" nodeid="81180"></A></P><P><A href="https://docs.hortonworks.com/HDPDocuments/Ambari-2.6.2.0/bk_ambari-operations/content/rolling_restarts.html" target="_blank">https://docs.hortonworks.com/HDPDocuments/Ambari-2.6.2.0/bk_ambari-operations/content/rolling_restarts.html</A></P><P><A href="https://docs.hortonworks.com/HDPDocuments/Ambari-2.6.2.0/bk_ambari-operations/content/setting_rolling_restart_parameters.html" target="_blank">https://docs.hortonworks.com/HDPDocuments/Ambari-2.6.2.0/bk_ambari-operations/content/setting_rolling_restart_parameters.html</A></P><P><STRONG>API calls:</STRONG></P><P><A href="https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=41812517" target="_blank">https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=41812517</A></P> Wed, 31 Oct 2018 17:51:27 GMT jsensharma 2018-10-31T17:51:27Z