As this link( http://hortonworks.com/blog/simplifying-user-logs-management-and-access-in-yarn/) said, Hortonworks' HDP change the user-logs rule.
2014/1/8 Kyle Lin <[email protected]> > > Sorry for my rough asking. Refine my question. > > When using hadoop 1.x, I can see the MR job logs under "userlogs" > folder in local file system. But I cannot find the MR log in hadoop 2.x > environment. There is no "userlogs" folder. > > Can anybody tell me where to find the log files? > > Kyle > > > 2014/1/8 Kyle Lin <[email protected]> > >> Hey guys >> >> My Environment: HDP 2 (Hadoop 2.2.0). >> >> When using Hadoop 1.x, I write log imformation in my MapReduce code, >> then see the log message in TaskTracker log. But In YARN, I cannot find the >> log message in any log files(historyserver, nodemanager, resourcemanager), >> even using System.out.println. >> >> I also try to see app log through the address of >> yarn.resourcemanager.webapp.address. Still cannot see my log messages. >> >> >> Kyle >> > >
