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https://issues.apache.org/jira/browse/HIVE-19578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prasanth Jayachandran updated HIVE-19578:
-----------------------------------------
Resolution: Fixed
Fix Version/s: 4.0.0
3.1.0
Status: Resolved (was: Patch Available)
Committed to master and branch-3. Thanks for the reviews!
> HLL merges tempList on every add
> --------------------------------
>
> Key: HIVE-19578
> URL: https://issues.apache.org/jira/browse/HIVE-19578
> Project: Hive
> Issue Type: Bug
> Reporter: Sergey Shelukhin
> Assignee: Prasanth Jayachandran
> Priority: Major
> Fix For: 3.1.0, 4.0.0
>
> Attachments: HIVE-19578.1.patch, HIVE-19578.2.patch,
> HIVE-19578.3.patch, HIVE-19578.4.patch, Screen Shot 2018-05-16 at 15.29.12
> .png
>
>
> See comments on HIVE-18866; this has significant perf overhead after the
> even bigger overhead from hashing is removed. !Screen Shot 2018-05-16 at
> 15.29.12 .png!
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