[YARN-2346] Add a 'status' command to yarn-daemon.sh

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Duplicate
• Affects Version/s: 2.2.0, 2.3.0, 2.2.1, 2.4.0, 2.4.1
• Assignee: Allen Wittenauer
• Reporter: Nikunj Bansal
• Created: 23/Jul/14 21:30
• Updated: 26/Jul/14 23:10
• Resolved: 26/Jul/14 03:47

Description

Adding a 'status' command to yarn-daemon.sh will be useful for finding out the status of yarn daemons.

Running the 'status' command should exit with a 0 exit code if the target daemon is running and non-zero code in case its not.

Issue Links

• is part of: HADOOP-9902 Shell script rewrite