[ https://issues.apache.org/jira/browse/YARN-3828?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14592622#comment-14592622 ]
Zhijie Shen commented on YARN-3828: ----------------------------------- Sure, please go ahead. I can help to review the patch here. Will close that one as duplicate > Add a flag in container to indicate whether it's an AM container or not > ------------------------------------------------------------------------ > > Key: YARN-3828 > URL: https://issues.apache.org/jira/browse/YARN-3828 > Project: Hadoop YARN > Issue Type: Sub-task > Components: nodemanager, resourcemanager > Reporter: Subru Krishnan > Assignee: Giovanni Matteo Fumarola > > YARN-2022 adds a flag in RMContainer to indicate whether the container is an > AM or not to skip pre-emption of AM containers. This JIRA proposes > propagating this information to NMs as it's required by the AMRMProxy > (YARN-2884/YARN-3666) to identify if the container is an AM for: > 1) Security - for authorizing only AMs to communicate with RMs. For e.g.: > this is useful to prevent DDos attacks by all containers of a malicious app. > 2) Federation - to allow for transparently spanning an app across multiple > sub-clusters -- This message was sent by Atlassian JIRA (v6.3.4#6332)