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https://issues.apache.org/jira/browse/HIVE-15202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15706591#comment-15706591
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Eugene Koifman commented on HIVE-15202:
---------------------------------------

All failures have age > 1

[~wzheng] could you review please

> Concurrent compactions for the same partition may generate malformed folder 
> structure
> -------------------------------------------------------------------------------------
>
>                 Key: HIVE-15202
>                 URL: https://issues.apache.org/jira/browse/HIVE-15202
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>            Reporter: Rui Li
>            Assignee: Eugene Koifman
>         Attachments: HIVE-15202.01.patch
>
>
> If two compactions run concurrently on a single partition, it may generate 
> folder structure like this: (nested base dir)
> {noformat}
> drwxr-xr-x   - root supergroup          0 2016-11-14 22:23 
> /user/hive/warehouse/test/z=1/base_0000007/base_0000007
> -rw-r--r--   3 root supergroup        201 2016-11-14 21:46 
> /user/hive/warehouse/test/z=1/base_0000007/bucket_00000
> -rw-r--r--   3 root supergroup        611 2016-11-14 21:46 
> /user/hive/warehouse/test/z=1/base_0000007/bucket_00001
> -rw-r--r--   3 root supergroup        614 2016-11-14 21:46 
> /user/hive/warehouse/test/z=1/base_0000007/bucket_00002
> -rw-r--r--   3 root supergroup        621 2016-11-14 21:46 
> /user/hive/warehouse/test/z=1/base_0000007/bucket_00003
> -rw-r--r--   3 root supergroup        621 2016-11-14 21:46 
> /user/hive/warehouse/test/z=1/base_0000007/bucket_00004
> -rw-r--r--   3 root supergroup        201 2016-11-14 21:46 
> /user/hive/warehouse/test/z=1/base_0000007/bucket_00005
> -rw-r--r--   3 root supergroup        201 2016-11-14 21:46 
> /user/hive/warehouse/test/z=1/base_0000007/bucket_00006
> -rw-r--r--   3 root supergroup        201 2016-11-14 21:46 
> /user/hive/warehouse/test/z=1/base_0000007/bucket_00007
> -rw-r--r--   3 root supergroup        201 2016-11-14 21:46 
> /user/hive/warehouse/test/z=1/base_0000007/bucket_00008
> -rw-r--r--   3 root supergroup        201 2016-11-14 21:46 
> /user/hive/warehouse/test/z=1/base_0000007/bucket_00009
> {noformat}



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