[HADOOP-9787] ShutdownHelper util to shutdown threads and threadpools

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.4-alpha
• Fix Version/s: 2.1.0-beta, 2.3.0
• Component/s: util
• Target Version/s: 2.1.0-beta
• Hadoop Flags: Reviewed
• Assignee: Karthik Kambatla
• Reporter: Karthik Kambatla
• Created: 29/Jul/13 20:13
• Updated: 03/Nov/14 18:34
• Resolved: 01/Aug/13 00:07

Description

Several classes spawn threads and threadpools and shut them down on close() and serviceStop() etc. A helper class helps standardize the wait time after a thread/threadpool is interrupted/shutdown for it to actually terminate.

One example of this is MAPREDUCE-5428.

Issue Links

• blocks: MAPREDUCE-5428 HistoryFileManager doesn't stop threads when service is stopped