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Posted to issues@hive.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/11/03 13:40:00 UTC
[jira] [Work logged] (HIVE-23685) Removing user's extra resources
while executing File Merge Task
[ https://issues.apache.org/jira/browse/HIVE-23685?focusedWorklogId=506728&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-506728 ]
ASF GitHub Bot logged work on HIVE-23685:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 03/Nov/20 13:39
Start Date: 03/Nov/20 13:39
Worklog Time Spent: 10m
Work Description: kasakrisz commented on pull request #1608:
URL: https://github.com/apache/hive/pull/1608#issuecomment-720322103
@tkanng
Thanks for contributing to Hive.
Hive pre-commit test process changed a few month ago: every change must have a PR in order to run pre-commit tests. Test run starts automatically when a PR is created or new commits pushed.
For review request:
- you can mention committers in the PR
- optionally for large changes when hundred of lines of code is moved/refactored ReviewBoard is a good choice but you also must have a PR because of the tests.
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Issue Time Tracking
-------------------
Worklog Id: (was: 506728)
Time Spent: 20m (was: 10m)
> Removing user's extra resources while 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
> Affects Versions: All Versions
> Reporter: Qiang.Kang
> Assignee: Qiang.Kang
> Priority: Critical
> Labels: pull-request-available
> Attachments: HIVE-23685.02.patch, HIVE-23685.1.patch
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> 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.
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