[YARN-2532] Track pending resources at the application level

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.5.1
• Component/s: scheduler
• Assignee: Unassigned
• Reporter: Karthik Kambatla
• Created: 10/Sep/14 19:29
• Updated: 07/Jan/17 01:47

Description

SchedulerApplicationAttempt keeps track of current consumption of an app. It would be nice to have a similar value tracked for pending requests.

The immediate uses I see are: (1) Showing this on the Web UI (YARN-2333) and (2) updating demand in FS in an event-driven style (YARN-2353)