Re: Swap requirements

Thanks Mith...any idea about Yarn.nodemanager.Vmem-pmem-ratio parameter... If data nodes does not require swap then what about the above parameter? What is that used for in yarn?

Swap requirements

Hello all, I am trying to figure out what are the swap requirements for name node and data nodes? Some vendor docs that I read says to set vm.swappiness to 0 which is telling kernel to not to use swap? What is the default settings the community is using for there clusters? Also does the b