[SPARK-8743] Deregister Codahale metrics for streaming when StreamingContext is closed

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.4.1
• Fix Version/s: 1.4.2, 1.5.0
• Component/s: DStreams
• Labels: starter
• Target Version/s: 1.4.2, 1.5.0
• Assignee: Neelesh Srinivas Salian
• Reporter: Tathagata Das
• Created: 01/Jul/15 01:18
• Updated: 10/Dec/15 08:13
• Resolved: 13/Jul/15 22:48

Description

Currently, when the StreamingContext is closed, the registered metrics are not deregistered. If another streaming context is started, it throws a warning saying that the metrics are already registered.

The solution is to deregister the metrics when streamingcontext is stopped.

Issue Links

• is duplicated by: SPARK-8895 MetricsSystem.removeSource not called in StreamingContext.stop
• links to: [Github] Pull Request #7249 (nssalian)
• links to: [Github] Pull Request #7250 (nssalian)
• links to: [Github] Pull Request #7362 (nssalian)