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https://issues.apache.org/jira/browse/HIVE-20364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16576996#comment-16576996
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Hive QA commented on HIVE-20364:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12935186/HIVE-20364.patch
{color:red}ERROR:{color} -1 due to no test(s) being added or modified.
{color:green}SUCCESS:{color} +1 due to 14875 tests passed
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/13158/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/13158/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-13158/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12935186 - PreCommit-HIVE-Build
> Update default for hive.map.aggr.hash.min.reduction
> ---------------------------------------------------
>
> Key: HIVE-20364
> URL: https://issues.apache.org/jira/browse/HIVE-20364
> Project: Hive
> Issue Type: Improvement
> Components: Configuration
> Reporter: Nita Dembla
> Assignee: Ashutosh Chauhan
> Priority: Major
> Attachments: HIVE-20364.patch
>
>
> Default value is 0.5 Lets update it to 0.99
> In average case its a trade-off between cpu vs network. Erring on side of CPU
> is better since perf loss caused by network is usually larger.
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