[ https://issues.apache.org/jira/browse/HIVE-14403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Siddharth Seth updated HIVE-14403: ---------------------------------- Attachment: HIVE-14403.01.patch Patch to fix this, along with additional log messages and unit tests. The core change in the patch is the following... {code} - val = new MutableInt(1); + val = new MutableInt(0); {code} [~hagleitn], [~prasanth_j] - please review. > LLAP node specific preemption will only preempt once on a node per AM > --------------------------------------------------------------------- > > Key: HIVE-14403 > URL: https://issues.apache.org/jira/browse/HIVE-14403 > Project: Hive > Issue Type: Bug > Reporter: Siddharth Seth > Assignee: Siddharth Seth > Priority: Critical > Attachments: HIVE-14403.01.patch > > > Query hang reported by [~cartershanklin] > Turns out that once an AM has preempted a task on a node for locality, it > will not be able to preempt another task on the same node (specifically for > local requests) > Manifests as a query hanging. It's possible for a previous query to interfere > with a subsequent query since the AM is shared. -- This message was sent by Atlassian JIRA (v6.3.4#6332)