[NIFI-6772] Include Garbage Collection info in Diagnostics dump

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.10.0
• Component/s: Core Framework
• Assignee: Mark Payne
• Reporter: Mark Payne
• Created: 11/Oct/19 18:07
• Updated: 14/Oct/19 15:34
• Resolved: 14/Oct/19 15:34

Description

When obtaining a Diagnostics Dump via `bin/nifi.sh diagnostics <filename>` the output should include information about garbage collection:

• Number of each type of garbage collection
• Average amount of time spent for each type of GC
• Longest GC pause encountered
• Info about each of the last N number of GC events, to include time/date, duration, reason for GC, type of GC, etc.

Issue Links

• links to: GitHub Pull Request #3809