[YARN-4910] Fix incomplete log info in ResourceLocalizationService

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 2.9.0, 3.0.0-alpha1
• Hadoop Flags: Reviewed
• Assignee: Jun Gong
• Reporter: Jun Gong
• Created: 01/Apr/16 15:09
• Updated: 30/Aug/16 01:03
• Resolved: 08/Aug/16 16:47

Description

When debugging, find a lot of incomplete log info from ResourceLocalizationService, it is a little confusing.

2016-03-30 22:47:29,703 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService: Writing credentials to the nmPrivate file /data6/yarnenv/local/nmPrivate/container_1456839788316_4159_01_000004_37.tokens. Credentials list:

The content of credentials list will only be printed for DEBUG log level.