1. Under the MapReduce-1 service configuration, search for child in the
search box on the left side.
2. When the search results come up, search for the MapReduce Child Java
Maximum Heap size in the category Gateway/ResourceManagement.
3. Change this value from 692MB to 1.5GB.
4. Click on the Actions button on the top right corner.
5. Select Deploy Client Configuration. This will push the change made
above to the Client(Gateway) systems. These are the systems from where
you will be running the Hive and Pig jobs.
6. Select Restart to restart the MapReduce service
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