[
https://issues.apache.org/jira/browse/HIVE-25025?focusedWorklogId=615249&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-615249
]
ASF GitHub Bot logged work on HIVE-25025:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 26/Jun/21 00:09
Start Date: 26/Jun/21 00:09
Worklog Time Spent: 10m
Work Description: github-actions[bot] closed pull request #2187:
URL: https://github.com/apache/hive/pull/2187
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Issue Time Tracking
-------------------
Worklog Id: (was: 615249)
Remaining Estimate: 71.5h (was: 71h 40m)
Time Spent: 0.5h (was: 20m)
> Distcp In MoveTask may cause stats info lost
> --------------------------------------------
>
> Key: HIVE-25025
> URL: https://issues.apache.org/jira/browse/HIVE-25025
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Reporter: WangHualei
> Assignee: WangHualei
> Priority: Major
> Labels: patch, pull-request-available
> Attachments: HIVE-25025.patch
>
> Original Estimate: 72h
> Time Spent: 0.5h
> Remaining Estimate: 71.5h
>
> after set _Run_ _as_ _end_ _user_ _instead_ _of_ _Hive_ _user_ , when
> execute insert overwrite , In MoveTask ,if source byte >
> HIVE_EXEC_COPYFILE_MAXSIZE and source file count>
> HIVE_EXEC_COPYFILE_MAXNUMFILES , HIve will use distcp method, it may cause
> tmp stats file lost.
> example:
> set hive.exec.copyfile.maxsize=0;
> set hive.exec.copyfile.maxnumfiles=0;
> insert overwrite table abc_new select * from abc;
> select count(1) from abc_new ;
> select * from abc_new ;
> then the count(1) result will be 0, but select * will display real data,
> because stats info lost.
>
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