[YARN-5440] Use AHSClient in YarnClient when TimelineServer is running

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.9.0
• Fix Version/s: 2.9.0, 3.0.0-alpha1
• Hadoop Flags: Reviewed
• Assignee: Xuan Gong
• Reporter: Xuan Gong
• Created: 27/Jul/16 20:54
• Updated: 25/Oct/19 20:27
• Resolved: 28/Jul/16 17:26

Description

In YarnClient, depends on whether we enable yarn.timeline-service.generic-application-history.enabled, the AHSClient will be used or not. But the AHSClientService is enabled by default when we start the TimelineServer which means we are able to get history information for applications/applicationAttempts/containers by using ahsClient when the TimelineServer is running. So, we do not have to rely on this deprecated configuration to get history information by using YarnClient.

Issue Links

• duplicates: YARN-5081 Replace RPC calls with WebService calls in LogsCLI
• is depended upon by: YARN-5369 Improve Yarn logs command to get container logs based on Node Id