Cluster Configuration
System - 9x single socket Ampere Servers with 80 cores and 3.0 GHz
Memory - 16 x 32GB DDR4 DIMMS per node
Network - Mallanox CX6 @ 100 Gbps
OS - Ubuntu 20.04 5.4 Kernal
Hadoop Configuration
dfs.block.size - 512M
yarn.scheduler.minimum-allocation-mb - 2048
yarn.scheduler.maximum-allocation-mb - 69632
yarn.scheduler.maximum-allocation-vcores - 78
mapreduce.reduce.parallel.copies - 64
mapreduce.reduce.shuffle.parallelcopies - 64
mapreduce.map.java.opts - 2048M