Hi Dave,
I have 5 systems with 1 system for NN having disk space of 250GB , 4 core, 16 GB momoery ,
and other 4 system have disk space of 250GB , 4 core processor and 8GB memory .
Configuration correction :
namenode java heap space =15000
yarn.nodemanager.resource.memory-mb =6144
Thanks and regards,
vikash