[ https://issues.apache.org/jira/browse/YARN-3440?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Li Lu reassigned YARN-3440: --------------------------- Assignee: Li Lu > ResourceUsage should be copy-on-write > ------------------------------------- > > Key: YARN-3440 > URL: https://issues.apache.org/jira/browse/YARN-3440 > Project: Hadoop YARN > Issue Type: Bug > Components: resourcemanager, scheduler, yarn > Reporter: Wangda Tan > Assignee: Li Lu > > In {{org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceUsage > }}, even if it is thread-safe, but Resource returned by getters could be > updated by another thread. > All Resource objects in ResourceUsage should be copy-on-write, reader will > always get a non-changed Resource. And changes apply on Resource acquired by > caller will not affect original Resource. -- This message was sent by Atlassian JIRA (v6.3.4#6332)