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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-13096) Cost to choose side table in MapJoin conversion based on cumulative cardinality
Date Mon, 22 Feb 2016 04:40:18 GMT

    [ https://issues.apache.org/jira/browse/HIVE-13096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15156471#comment-15156471
] 

Hive QA commented on HIVE-13096:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12788905/HIVE-13096.01.patch

{color:red}ERROR:{color} -1 due to no test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 4 failed/errored test(s), 9800 tests executed
*Failed tests:*
{noformat}
TestSparkCliDriver-timestamp_lazy.q-bucketsortoptimize_insert_4.q-date_udf.q-and-12-more -
did not produce a TEST-*.xml file
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_partition_coltype_literals
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testNegativeCliDriver_authorization_uri_import
org.apache.hive.jdbc.TestSSL.testSSLVersion
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/7055/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/7055/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-7055/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 4 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12788905 - PreCommit-HIVE-TRUNK-Build

> Cost to choose side table in MapJoin conversion based on cumulative cardinality
> -------------------------------------------------------------------------------
>
>                 Key: HIVE-13096
>                 URL: https://issues.apache.org/jira/browse/HIVE-13096
>             Project: Hive
>          Issue Type: Bug
>          Components: Physical Optimizer
>    Affects Versions: 2.0.0, 2.1.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>         Attachments: HIVE-13096.01.patch, HIVE-13096.patch
>
>
> HIVE-11954 changed the logic to choose the side table in the MapJoin conversion algorithm.
Initial heuristic for the cost was based on number of heavyweight operators.
> This extends that work so the heuristic is based on accumulate cardinality. In the future,
we should choose the side based on total latency for the input.



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