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Bibin A Chundatt commented on YARN-4254: ---------------------------------------- [~sunilg]/[~jlowe] Could you please help in review of the same.. > ApplicationAttempt stuck for ever due to UnknowHostexception > ------------------------------------------------------------ > > Key: YARN-4254 > URL: https://issues.apache.org/jira/browse/YARN-4254 > Project: Hadoop YARN > Issue Type: Bug > Reporter: Bibin A Chundatt > Assignee: Bibin A Chundatt > Priority: Major > Attachments: 0001-YARN-4254.patch, Logs.txt, Test.patch, > YARN-4254.002.patch > > > Scenario > ======= > 1. RM HA and 5 NMs available in cluster and are working fine > 2. Add one more NM to the same cluster but RM /etc/hosts not updated. > 3. Submit application to the same cluster > If Am get allocated to the newly added NM the *application attempt will get > stuck for ever*.User will not get to know why the same happened. > Impact > 1.RM logs gets overloaded with exception > 2.Application gets stuck for ever. > Handling suggestion YARN-261 allows for Fail application attempt . > If we fail the same next attempt could get assigned to another NM. -- 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