[HADOOP-6457] Set Hadoop User/Group by System properties or environment variables

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Component/s: security
• Hadoop Flags: Incompatible change
• Assignee: Unassigned
• Reporter: issei yoshida
• Created: 18/Dec/09 10:32
• Updated: 29/Jul/14 21:24
• Resolved: 29/Jul/14 21:24

Description

Hadoop User/Group can be set by System properties or environment variables.
For example, in environment variables,
export HADOOP_USER=test
export HADOOP_GROUP=user

or in your MapReduce,
System.setProperty("hadoop.user.name", "test");
System.setProperty("hadoop.group.name", "user");

Issue Links

• is duplicated by: HADOOP-8561 Introduce HADOOP_PROXY_USER for secure impersonation in child hadoop client processes