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https://issues.apache.org/jira/browse/HIVE-20491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16603216#comment-16603216
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Hive QA commented on HIVE-20491:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12938251/HIVE-20491.02.patch
{color:green}SUCCESS:{color} +1 due to 3 test(s) being added or modified.
{color:green}SUCCESS:{color} +1 due to 14923 tests passed
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/13583/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/13583/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-13583/
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: 12938251 - PreCommit-HIVE-Build
> Fix mapjoin size estimations for Fast implementation
> ----------------------------------------------------
>
> Key: HIVE-20491
> URL: https://issues.apache.org/jira/browse/HIVE-20491
> Project: Hive
> Issue Type: Improvement
> Components: Statistics
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Attachments: HIVE-20491.01.patch, HIVE-20491.01wip02.patch,
> HIVE-20491.02.patch
>
>
> HIVE-19824 have fixed the estimations; but it calculated for the "optimized"
> impl; the "fast" one has a little bit bigger footprint.
> It also seems like fast is a bit overestimated at runtime...that should be
> also taken care of.
> | numkeys | implementation | compiler estimation | runtime estimation |
> runtime measurement | ce / rm | re / rm |
> | 25M | FAST | 1168435456 | 2189433712 | 1513584984 | .77 | 1.44 |
> | 25M | OPTIMIZED | 1168435456 | 1191203764 | 1168439664 | 100% | 1.01 |
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