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Tao Yang commented on YARN-8925: -------------------------------- Attached v1 patch for review. [~cheersyang], could you help to review this patch in your free time? Thanks. > Updating distributed node attributes only when necessary > -------------------------------------------------------- > > Key: YARN-8925 > URL: https://issues.apache.org/jira/browse/YARN-8925 > Project: Hadoop YARN > Issue Type: Improvement > Components: resourcemanager > Affects Versions: 3.2.1 > Reporter: Tao Yang > Assignee: Tao Yang > Priority: Major > Attachments: YARN-8925.001.patch > > > Currently if distributed node attributes exist, even though there is no > change, updating for distributed node attributes will happen in every > heartbeat between NM and RM. Updating process will hold > NodeAttributesManagerImpl#writeLock and may have some influence in a large > cluster. We have found nodes UI of a large cluster is opened slowly and most > time it's waiting for the lock in NodeAttributesManagerImpl. I think this > updating should be called only when necessary to enhance the performance of > related process. -- 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