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https://issues.apache.org/jira/browse/HIVE-16669?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eugene Koifman updated HIVE-16669:
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Priority: Blocker (was: Major)
> 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
> Priority: Blocker
>
> * 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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