Please provide some additional info - 1. Can you login to the AM container node and look under the container log dir and see if the logs files are there?
2. If you don¹t see the log files in step 1 above, can you run the below yarn cmd-line? Do you see the logs? yarn logs -applicationId <app_id> 3. If you don¹t see any logs in step 2 above, then if possible can you stop the app and then run the cmd in step 2 again? Do you see the logs? 4. What are the following properties set to in your cluster? yarn.log-aggregation-enable yarn.log-aggregation.retain-seconds yarn.nodemanager.log-aggregation.roll-monitoring-interval-seconds yarn.nodemanager.log-aggregation.debug-enabled yarn.nodemanager.log-aggregation.num-log-files-per-app -Gour On 3/9/17, 2:01 PM, "David.Serafini" <david.seraf...@target.com> wrote: >hortonworks 2.5.3. $(hadoop version) says: > >Hadoop 2.7.3.2.5.3.0-37 >Subversion g...@github.com:hortonworks/hadoop.git -r >9828acfdec41a121f0121f556b09e2d112259e92 >Compiled by jenkins on 2016-11-29T18:06Z >Compiled with protoc 2.5.0 > > >On 3/9/17, 1:31 PM, <gs...@hortonworks.com> wrote: > > Which version of hadoop are you using? > > -Gour > > > On Mar 9, 2017, at 12:46 PM, David.Serafini ><david.seraf...@target.com> wrote: > > > > I'm testing Slider 0.91. > > The log files for the AM container disappear after a day or so >(according to the YARN UI), even though the application is still running >the the AM container is not restarted. > > > > Is this a YARN problem or a Slider problem? > > How do I fix it? > > > > thanks, > > <dbs> > > > > >