[HADOOP-12828] Print user when services are started

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 1.3.0, 3.0.0-alpha1
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Labels: supportability
• Hadoop Flags: Reviewed
• Assignee: Wei-Chiu Chuang
• Reporter: Brandon Li
• Created: 12/Jun/13 20:19
• Updated: 30/Aug/16 01:18
• Resolved: 19/Feb/16 18:06

Description

Printing user name during start can help debug access permission related issues, e.g., the namenode storage directory is not accessible by the user who starts the service.

The message could look like:
/************************************************************
STARTUP_MSG: Starting NameNode by hdfs
... ...