Rui Li created HIVE-15202:
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Summary: 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
Reporter: Rui Li
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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