https://community.cloudera.com/t5/Support-Questions/FQDN-is-not-set-for-hosts-Any-issues-in-prod-environment/m-p/208930#M170887 <P><A rel="user" href="https://community.cloudera.com/users/1271/sheltong.html" nodeid="1271">@Geoffrey Shelton Okot</A> </P><P>No issues as of now.. but this is going to live and I am worried if there would be any issue in future?</P><P>To ask in one line:</P><P>What happens if the host does not have FQDN? Any technical issues in Hadoop environment other than DNS issues?</P> Wed, 06 Jun 2018 13:13:10 GMT sriramhadoop27 2018-06-06T13:13:10Z