yarn-utils is recommending to change bunch of variables , but i couldnt find these three .. where are these? they are not in yarn or hive or mapreduce configs.
yarn.app.mapreduce.am.resource.mb=2560 yarn.app.mapreduce.am.command-opts=-Xmx2048m mapreduce.task.io.sort.mb=1024
The "yarn.app.mapreduce.am.resource.mb" and "yarn.app.mapreduce.am.command-opts" can be added isnide the "Custom Yarn-site" as following
Ambari UI --> Yarn --> Configs --> Advanced --> "Custom yarn-site" --> Add Property
Similarly the "mapreduce.task.io.sort.mb" property can be added in the following path in the UI
Ambari UI --> MapReduce2 --> Configs --> Summary --> "Sort Allocation Memory"
These variable are available all under MapReduce2, You need to use the filter option... I can understand the names are quite misleading, I have attached you the screenshots to help you visually