[SLIDER-1043] AM to warn in logs that restart during upgrade is intentional

• Type: Improvement
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: Slider 0.90.2
• Component/s: appmaster
• Assignee: Unassigned
• Reporter: Steve Loughran
• Created: 05/Jan/16 10:46
• Updated: 05/Jan/16 10:46

Description

During upgrades, the AM has to restart itself.

It can be confusing why this happens: print a message in the log telling people why this is happening, and list the yarn cluster properties which can extend the retry window/increment the failure count threshold