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https://issues.apache.org/jira/browse/HIVE-14160?focusedWorklogId=441889&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-441889
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ASF GitHub Bot logged work on HIVE-14160:
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Author: ASF GitHub Bot
Created on: 05/Jun/20 15:51
Start Date: 05/Jun/20 15:51
Worklog Time Spent: 10m
Work Description: belugabehr commented on pull request #85:
URL: https://github.com/apache/hive/pull/85#issuecomment-639587579
Hive 1.1 is long since deprecated. Closing.
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Issue Time Tracking
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Worklog Id: (was: 441889)
Remaining Estimate: 0h
Time Spent: 10m
> Reduce-task costs a long time to finish on the condition that the certain sql
> "select a,distinct(b) group by a" has been executed on the data which has
> skew distribution
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-14160
> URL: https://issues.apache.org/jira/browse/HIVE-14160
> Project: Hive
> Issue Type: Improvement
> Affects Versions: 1.1.0
> Reporter: marymwu
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Reduce-task costs a long time to finish on the condition that the certain sql
> "select a,distinct(b) group by a" has been executed on the data which has
> skew distribution
> data scale: 64G
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