Specifications for Hadoop Cluster
All Hadoop-related nodes must meet the following specifications:
All cluster nodes must be running CentOS 6.x, CentOS 7.x, or Ubuntu 14.04
The cluster must be running HDP 2.5 managed by Ambari 2.4.2
The cluster must have a minimum of the following nodes:
Two Hadoop master nodes
Four Hadoop slaves nodes
One node for Ambari
Each of the Hadoop Slave and Master nodes must meet the following minimum specifications: See Minimum System Requirements.
The following services must be installed across the Hadoop Master and Slave nodes:
HDFS
HBase
ZooKeeper
Kafka
Storm
YARN
To determine the supported version for each service, refer to Ambari, and choose
Admin > Stacks and Versions
.Each of the following components must be installed on at least four slave nodes:
Note For security reasons, no other workloads should be running on the cluster.