Qiang.Kang created HIVE-23685:
---------------------------------
Summary: Removing user's extra resources when executing File Merge
Task
Key: HIVE-23685
URL: https://issues.apache.org/jira/browse/HIVE-23685
Project: Hive
Issue Type: Bug
Components: Physical Optimizer, Query Planning
Reporter: Qiang.Kang
Assignee: Qiang.Kang
Hi, we find that MapReduce's file merge map containers will download user's
extra resources(such as: added jars, files, archives) before launching task.
When these resources are large or the network is busy, file merge jobs will be
timeout, causing the query be failed. As we all know, file merge task will run
correctly just with hive-exec.jar and MapReduce framework. Therefore, there is
no need to download user's resources. The patch below prevents setting
`tmpjars` for FileMerge Task.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
