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https://issues.apache.org/jira/browse/HIVE-15951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15879355#comment-15879355
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slim bouguerra commented on HIVE-15951:
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[~ashutoshc] valid point but hive common is using that method as well so i
think it is ok to use it.
https://github.com/b-slim/hive/blob/38ad77929980dc155dcc4a5d009a9a855eb5b017/common/src/java/org/apache/hadoop/hive/common/FileUtils.java#L755-L755
> Make sure base persist directory is unique and deleted
> ------------------------------------------------------
>
> Key: HIVE-15951
> URL: https://issues.apache.org/jira/browse/HIVE-15951
> Project: Hive
> Issue Type: Bug
> Components: Druid integration
> Affects Versions: 2.2.0
> Reporter: slim bouguerra
> Assignee: slim bouguerra
> Priority: Critical
> Fix For: 2.2.0
>
> Attachments: HIVE-15951.2.patch, HIVE-15951.patch
>
>
> In some cases the base persist directory will contain old data or shared
> between reducer in the same physical VM.
> That will lead to the failure of the job till that the directory is cleaned.
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