Something weird. With the 'hive' used to insert data it works but instead of using this user to insert data, I've found that if the base directory (/apps/hive/warehouse/test.db/mytab/base_0000013) belongs to the 'hive' user, then the compaction succeeds (cleaning step is ok). Even if the delta_ directories don't belong to hive. Weird, isn't it ? Thus, this is a workaround but a little bit crappy. But I'm open to any more suitable solution.
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