[ https://issues.apache.org/jira/browse/MAPREDUCE-5111?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sandy Ryza updated MAPREDUCE-5111: ---------------------------------- Summary: RM address DNS lookup can cause unnecessary slowness on every JHS page load (was: Unnecessary RM address DNS lookup can cause unnecessary slowness on every JHS page load ) > RM address DNS lookup can cause unnecessary slowness on every JHS page load > ---------------------------------------------------------------------------- > > Key: MAPREDUCE-5111 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-5111 > Project: Hadoop Map/Reduce > Issue Type: Improvement > Components: jobhistoryserver > Affects Versions: 2.0.3-alpha > Reporter: Sandy Ryza > Assignee: Sandy Ryza > > When I run the job history server locally, every page load takes in the 10s > of seconds. I profiled the process and discovered that all the extra time > was spent inside YarnConfiguration#getRMWebAppURL, trying to resolve 0.0.0.0 > to a hostname. When I changed my yarn.resourcemanager.address to localhost, > the page load times decreased drastically. > There's no that we need to perform this resolution on every page load. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira