9. Create System Users and Groups

In general Hadoop services should be owned by specific users and not by root or application users.The table below shows the typical users for Hadoop services. Identify the users that you want for your Hadoop services and the common Hadoop group and create these accounts on your system.

 

Table 1.1. Typical System Users and Groups

Hadoop ServiceUserGroup

HDFS

hdfs

hadoop

YARN

yarn

hadoop

MapReducemapredhadoop

Hive

hive

hadoop

Pig

pig

hadoop

HCatalog/WebHCatalog

hcat

hadoop

HBase

hbase

hadoop

ZooKeeper

zookeeper

hadoop



loading table of contents...