https://community.cloudera.com/t5/Support-Questions/MapReduce-application-failed-with-OutOfMemoryError/m-p/55814#M36629 In the yarn-site.xml you have the mapreduce... settings but in the mapred-site.xml you have the mapred... settings. The settings for MRv2 containers need to be in the mapred-site.xml and they should use the MRv2 API which has the settings starting with mapreduce...<BR /><BR />The error "GC overhead limit exceeded" indicates that it spent too much time in GC while freeing up too little of the heap. You could increase the container and heap values. You can also try adding the '-XX:-UseGCOverheadLimit' option to the MR container java opts. Tue, 13 Jun 2017 19:56:34 GMT mbigelow 2017-06-13T19:56:34Z