Prasanth Jayachandran created HIVE-12451:
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Summary: Orc fast file merging/concatenation should be disabled
for ACID tables
Key: HIVE-12451
URL: https://issues.apache.org/jira/browse/HIVE-12451
Project: Hive
Issue Type: Bug
Affects Versions: 1.3.0, 2.0.0
Reporter: Prasanth Jayachandran
Assignee: Prasanth Jayachandran
For ACID tables merging of small files should happen only through compaction.
We should disable "alter table .. concatenate" for ACID tables. We should also
disable ConditionalMergeFileTask if destination is an ACID table.
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