[YARN-6333] Improve doc for minSharePreemptionTimeout, fairSharePreemptionTimeout and fairSharePreemptionThreshold

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.9.0, 3.0.0-alpha2
• Fix Version/s: 2.9.0, 3.1.0
• Component/s: fairscheduler
• Labels: newbie++
• Assignee: Chetna Chaudhari
• Reporter: Yufei Gu
• Created: 14/Mar/17 18:15
• Updated: 24/Apr/18 20:56
• Resolved: 30/Sep/17 01:10

Description

Default values of them are not mentioned in doc. For example, default value of minSharePreemptionTimeout is Long.MAX_VALUE, which means the min share preemption won't happen until you set a meaningful value.