[ https://issues.apache.org/jira/browse/TEZ-704?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hitesh Shah updated TEZ-704: ---------------------------- Assignee: (was: Hitesh Shah) > Tez MapReduce job hangs if setting mapreduce.reduce.cpu.vcores to be 2 > ---------------------------------------------------------------------- > > Key: TEZ-704 > URL: https://issues.apache.org/jira/browse/TEZ-704 > Project: Apache Tez > Issue Type: Bug > Reporter: Zhenxiao Luo > > When running Hive on Tez in EMR hadoop districution, which set > mapreduce.reduce.cpu.vcores to be 2 in mapred-site.xml, all MapReduce jobs > get hang, without any progress. > The problem seems like, > Hive On Tez sets mapreduce.reduce.cpu.vcores to 2, so its application > manager asks for a 2 cpu container, but the resource manager could not > allocate a node for it, since all it has are 1 cpu containers. > I saw the same problem when running MapReduce Job on Tez when setting > mapreduce.reduce.cpu.vcores to be 2. > This could be a bug in Tez MapReduce code. -- This message was sent by Atlassian JIRA (v6.3.4#6332)