[
https://issues.apache.org/jira/browse/HIVE-25521?focusedWorklogId=662899&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-662899
]
ASF GitHub Bot logged work on HIVE-25521:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 08/Oct/21 18:34
Start Date: 08/Oct/21 18:34
Worklog Time Spent: 10m
Work Description: yongzhi merged pull request #2639:
URL: https://github.com/apache/hive/pull/2639
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Issue Time Tracking
-------------------
Worklog Id: (was: 662899)
Time Spent: 1h 10m (was: 1h)
> Data corruption when concatenating files with different compressions in same
> table/partition
> --------------------------------------------------------------------------------------------
>
> Key: HIVE-25521
> URL: https://issues.apache.org/jira/browse/HIVE-25521
> Project: Hive
> Issue Type: Bug
> Reporter: Harish JP
> Assignee: Harish JP
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> Currently if files of different compressions are in same directory then
> concatenate can fail and cause data corruption. This happens because file can
> be moved by one task as incompatible file and the other tasks will fail after
> this.
>
> This issue is addressed in this Jira by only processing a file in one task
> where offset 0 is process and ignoring the the file in all other tasks.
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