[ https://issues.apache.org/jira/browse/HIVE-20853?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jaume M updated HIVE-20853: --------------------------- Attachment: HIVE-20853.5.patch Status: Patch Available (was: Open) > Expose ShuffleHandler.registerDag in the llap daemon API > -------------------------------------------------------- > > Key: HIVE-20853 > URL: https://issues.apache.org/jira/browse/HIVE-20853 > Project: Hive > Issue Type: Improvement > Components: llap > Affects Versions: 3.1.0 > Reporter: Jaume M > Assignee: Jaume M > Priority: Critical > Attachments: HIVE-20853.1.patch, HIVE-20853.2.patch, > HIVE-20853.3.patch, HIVE-20853.4.patch, HIVE-20853.5.patch > > > Currently DAGs are only registered when a submitWork is called for that DAG. > At this point the crendentials are added to the ShuffleHandler and it can > start serving. > However Tez might (and will) schedule tasks to fetch from the ShuffleHandler > before anything of this happens and all this tasks will fail which may > results in the query failing. > This happens in the scenario in which a LlapDaemon just comes up and tez > fetchers try to open a connection before a DAG has been registered. > Adding this API will allow to register the DAG against the Daemon when the AM > notices that a new Daemon is up. -- This message was sent by Atlassian JIRA (v7.6.3#76005)