How to increase the number of containers in nodemanager in YARN

Question

A node in my YARN cluster has 64GB memory and 24 cores. I set the following properties in the yarn-site.xml:

  yarn.nodemanager.reso         


        

Answer 1

try something like:

  
    mapreduce.map.memory.mb
    1024      
  

  
    mapreduce.reduce.memory.mb
    2048