[ https://issues.apache.org/jira/browse/YARN-9576?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
tianjuan reassigned YARN-9576: ------------------------------ Assignee: tianjuan > ResourceUsageMultiNodeLookupPolicy may cause Application starve forever > ------------------------------------------------------------------------ > > Key: YARN-9576 > URL: https://issues.apache.org/jira/browse/YARN-9576 > Project: Hadoop YARN > Issue Type: Bug > Reporter: tianjuan > Assignee: tianjuan > Priority: Major > > seems that ResourceUsageMultiNodeLookupPolicy in YARN-7494 may cause > Application starve forever > for example, there are 10 nodes(h1,h2,...h9,h10), each has 8G memory in > cluster, and two queues A,B, each is configured with 50% capacity. > firstly there are 10 jobs (each requests 6G respurce) is submited to queue A, > and each node of the 10 nodes will have a contianer allocated. > Afterwards, another job JobB which requests 3G resource is submited to queue > B, and there will be one container with 3G size reserved on node h1, > with ResourceUsageMultiNodeLookupPolicy, the order policy will always be > h1,h2,..h9,h10, and there will always be one container re-reverved on node > h1, no other reservation happen, JobB will hang forever. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org