[HADOOP-16705] MBeanInfoBuilder puts unnecessary memory pressure on the system with a debug log

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.9.2
• Fix Version/s: 3.0.4, 3.3.0, 3.1.4, 3.2.2
• Component/s: metrics
• Hadoop Flags: Reviewed
• Assignee: Lukas Majercak
• Reporter: Lukas Majercak
• Created: 13/Nov/19 15:33
• Updated: 15/Nov/19 21:30
• Resolved: 14/Nov/19 17:54

Description

MBeanInfoBuilder's get() method DEBUG logs all the MBeanAttributeInfo attributes that it gathered. This can have a high memory churn that can be easily avoided.

Issue Links

• links to: GitHub Pull Request #1715