[YARN-2239] Rename ClusterMetrics#getUnhealthyNMs() to getNumUnhealthyNMs()

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Invalid
• Affects Version/s: 2.4.0
• Component/s: resourcemanager
• Assignee: Kenji Kikushima
• Reporter: Kenji Kikushima
• Created: 01/Jul/14 07:54
• Updated: 01/May/15 20:42
• Resolved: 01/May/15 20:42

Description

In ClusterMetrics, other get NMs() methods have "Num" prefix. (Ex. getNumLostNMs()/getNumRebootedNMs())
For naming consistency, we should rename getUnhealthyNMs() to getNumUnhealthyNMs().