[YARN-4969] Fix more loggings in CapacityScheduler

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: capacity scheduler
• Labels: oct16-easy
• Target Version/s: 3.5.0
• Assignee: Wangda Tan
• Reporter: Wangda Tan
• Created: 19/Apr/16 23:09
• Updated: 04/Jan/24 08:59

Description

YARN-3966 did logging cleanup for Capacity Scheduler before, however, there're some loggings we need to improvement:

Container allocation / complete / reservation / un-reserve messages for every hierarchy (app/leaf/parent-queue) should be printed at INFO level:
I'm debugging one issue that root queue's resource usage could be negative, it is very hard to reproduce, so we cannot enable debug logging since RM start, size of log cannot be fit in a single disk.

Existing CS prints INFO message when container cannot be allocated, such as re-reservation / node heartbeat, etc. we should avoid printing such message at INFO level.