You can enable log-aggregation where-by your application logs will be uploaded to HDFS.
Overview here: http://hortonworks.com/blog/apache-hadoop-yarn-nodemanager/ Configurations from http://hadoop.apache.org/docs/r2.0.4-alpha/hadoop-project-dist/hadoop-common/ClusterSetup.html which are relevant are: yarn.log-aggregation-enable -> true yarn.nodemanager.remote-app-log-dir -> /logs (directory on hdfs which will need to be created before you start your cluster) hth, Arun On Jun 6, 2013, at 11:10 AM, John Lilley wrote: > Do tasks that spawn from a YARN AM have a default working directory? Does > stdout/stderr get captured anywhere by default? > I ask because I am setting up tests with the “distributed shell” AM and want > to know if basic commands (e.g. ls) will send stdout/stderr somewhere I can > see at the end. > Thanks > John > -- Arun C. Murthy Hortonworks Inc. http://hortonworks.com/
