[HADOOP-14827] Allow StopWatch to accept a Timer parameter for tests

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 2.9.0, 3.0.0-beta1, 2.8.3, 2.7.5
• Component/s: common, test
• Hadoop Flags: Reviewed
• Assignee: Erik Krogen
• Reporter: Erik Krogen
• Created: 01/Sep/17 20:20
• Updated: 15/Sep/17 23:31
• Resolved: 06/Sep/17 21:09

Description

StopWatch should optionally accept a Timer parameter rather than directly using Time so that its behavior can be controlled during tests.

Issue Links

• is depended upon by: HDFS-12323 NameNode terminates after full GC thinking QJM unresponsive if full GC is much longer than timeout