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Jian He edited comment on YARN-5609 at 9/21/16 4:58 AM: -------------------------------------------------------- bq. I had intentionally kept it that way (my thinking was that the Tracker will then verify that the resources.. directories etc. are still good) Yep, I also had that in mind for rollback. And I think it is indeed needed for rollback, because the old resource may have a chance to get purged... But for restart, as the same resources are re-used, we don't need to re-check. So, I guess we need to retain the behavior for rollback ? was (Author: jianhe): bq. I had intentionally kept it that way (my thinking was that the Tracker will then verify that the resources.. directories etc. are still good) Yep, I also had that in mind for rollback. And I think it is indeed needed for rollback, because the old resource may have a change to get purged... But for restart, as the same resources are re-used, we don't need to re-check. So, I guess we need to retain the behavior for rollback ? > Expose upgrade and restart API in ContainerManagementProtocol > ------------------------------------------------------------- > > Key: YARN-5609 > URL: https://issues.apache.org/jira/browse/YARN-5609 > Project: Hadoop YARN > Issue Type: Sub-task > Reporter: Arun Suresh > Assignee: Arun Suresh > Attachments: YARN-5609.001.patch, YARN-5609.002.patch, > YARN-5609.003.patch, YARN-5609.004.patch, YARN-5609.005.patch, > YARN-5609.006.patch > > > YARN-5620 and YARN-5637 allows an AM to explicitly *upgrade* a container with > a new launch context and subsequently *rollback* / *commit* the change on the > Container. This can also be used to simply *restart* the Container as well. > This JIRA proposes to extend the ContainerManagementProtocol with the > following API: > * *reInitializeContainer* > * *rollbackLastUpgrade* > * *commitLastUpgrade* > * *restartContainer* -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org