[YARN-2111] In FairScheduler.attemptScheduling, we don't count containers as assigned if they have 0 memory but non-zero cores

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.4.0
• Fix Version/s: 2.5.0
• Component/s: scheduler
• Target Version/s: 2.5.0
• Hadoop Flags: Reviewed
• Assignee: Sandy Ryza
• Reporter: Sandy Ryza
• Created: 28/May/14 20:21
• Updated: 15/Aug/14 05:45
• Resolved: 24/Jun/14 15:49

Description

        if (Resources.greaterThan(RESOURCE_CALCULATOR, clusterResource,
              queueMgr.getRootQueue().assignContainer(node),
              Resources.none())) {

As RESOURCE_CALCULATOR is a DefaultResourceCalculator, we won't take cores here into account.