Eugene Koifman created HIVE-16669:
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Summary: Fine tune Compaction to take advantage of Acid 2.0
Key: HIVE-16669
URL: https://issues.apache.org/jira/browse/HIVE-16669
Project: Hive
Issue Type: Bug
Components: Transactions
Reporter: Eugene Koifman
Assignee: Eugene Koifman
* There is little point using 2.0 vectorized reader since there is no operator
pipeline in compaction
* If minor compaction just concats delete_delta files together, then the 2
stage compaction should always ensure that we have a limited number of Orc
readers to do the merging and current OrcRawRecordMerger should be fine
* ...
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