[YARN-3304] ResourceCalculatorProcessTree#getCpuUsagePercent default return value is inconsistent with other getters

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 2.7.0
• Component/s: nodemanager
• Target Version/s: 2.7.0
• Hadoop Flags: Reviewed
• Assignee: Junping Du
• Reporter: Junping Du
• Created: 08/Mar/15 21:44
• Updated: 25/Oct/19 20:27
• Resolved: 01/Apr/15 00:29

Description

Per discussions in YARN-3296, getCpuUsagePercent() will return -1 for unavailable case while other resource metrics are return 0 in the same case which sounds inconsistent.

Issue Links

• duplicates: YARN-3297 Changes for ResourceCalculatorProcessTree in YARN-3122 could be done in a more compatible manner
• duplicates: YARN-3392 Change NodeManager metrics to not populate resource usage metrics if they are unavailable
• duplicates: MAPREDUCE-6295 Fix MR resource counter to handle negative value for getting memory resource after YARN-3304
• is duplicated by: YARN-3296 yarn.nodemanager.container-monitor.process-tree.class is configurable but ResourceCalculatorProcessTree class is marked Private
• is related to: YARN-3427 Remove deprecated methods from ResourceCalculatorProcessTree
• relates to: YARN-3297 Changes for ResourceCalculatorProcessTree in YARN-3122 could be done in a more compatible manner
• relates to: MAPREDUCE-6295 Fix MR resource counter to handle negative value for getting memory resource after YARN-3304