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https://issues.apache.org/jira/browse/HIVE-7659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14096897#comment-14096897
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Hive QA commented on HIVE-7659:
-------------------------------
{color:red}Overall{color}: -1 at least one tests failed
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12661682/HIVE-7659-spark.patch
{color:red}ERROR:{color} -1 due to 8 failed/errored test(s), 5844 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_sample_islocalmode_hook
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_dynpart_sort_opt_vectorization
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testNegativeCliDriver_fs_default_name2
org.apache.hive.jdbc.miniHS2.TestHiveServer2.testConnection
org.apache.hive.minikdc.TestJdbcWithMiniKdc.testConnection
org.apache.hive.minikdc.TestJdbcWithMiniKdc.testNegativeTokenAuth
org.apache.hive.minikdc.TestJdbcWithMiniKdc.testProxyAuth
org.apache.hive.minikdc.TestJdbcWithMiniKdc.testTokenAuth
{noformat}
Test results:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-SPARK-Build/41/testReport
Console output:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-SPARK-Build/41/console
Test logs:
http://ec2-54-176-176-199.us-west-1.compute.amazonaws.com/logs/PreCommit-HIVE-SPARK-Build-41/
Messages:
{noformat}
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: 8 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12661682
> Unnecessary sort in query plan
> ------------------------------
>
> Key: HIVE-7659
> URL: https://issues.apache.org/jira/browse/HIVE-7659
> Project: Hive
> Issue Type: Improvement
> Components: Spark
> Reporter: Rui Li
> Assignee: Rui Li
> Attachments: HIVE-7659-spark.patch
>
>
> For hive on spark.
> Currently we rely on the sort order in RS to decide whether we need a
> sortByKey transformation. However a simple group by query will also have the
> sort order set to '+'.
> Consider the query: select key from table group by key. The RS in the map
> work will have sort order set to '+', thus requiring a sortByKey shuffle.
> To avoid the unnecessary sort, we should either use another way to decide if
> there has to be a sort shuffle, or we should set the sort order only when
> sort is really needed.
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