[ https://issues.apache.org/jira/browse/YARN-276?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wangda Tan resolved YARN-276. ----------------------------- Resolution: Duplicate Target Version/s: 2.1.0-beta, 3.0.0 (was: 3.0.0, 2.1.0-beta) [~vinodkv], This is already fixed by YARN-2637. Closing this as duplicated. > Capacity Scheduler can hang when submit many jobs concurrently > -------------------------------------------------------------- > > Key: YARN-276 > URL: https://issues.apache.org/jira/browse/YARN-276 > Project: Hadoop YARN > Issue Type: Bug > Components: capacityscheduler > Affects Versions: 3.0.0, 2.0.1-alpha > Reporter: Nemon Lou > Assignee: Nemon Lou > Labels: incompatible > Attachments: YARN-276.patch, YARN-276.patch, YARN-276.patch, > YARN-276.patch, YARN-276.patch, YARN-276.patch, YARN-276.patch, > YARN-276.patch, YARN-276.patch, YARN-276.patch, YARN-276.patch, > YARN-276.patch, YARN-276.patch, YARN-276.patch, YARN-276.patch, YARN-276.patch > > Original Estimate: 24h > Remaining Estimate: 24h > > In hadoop2.0.1,When i submit many jobs concurrently at the same time,Capacity > scheduler can hang with most resources taken up by AM and don't have enough > resources for tasks.And then all applications hang there. > The cause is that "yarn.scheduler.capacity.maximum-am-resource-percent" not > check directly.Instead ,this property only used for maxActiveApplications. > And maxActiveApplications is computed by minimumAllocation (not by Am > actually used). -- This message was sent by Atlassian JIRA (v6.3.4#6332)