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https://issues.apache.org/jira/browse/HIVE-12963?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15159920#comment-15159920
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Hive QA commented on HIVE-12963:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12789230/HIVE-12963.6.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), 9803 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_groupby1_limit
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/7071/testReport
Console output:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/7071/console
Test logs:
http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-7071/
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: 12789230 - PreCommit-HIVE-TRUNK-Build
> LIMIT statement with SORT BY creates additional MR job with hardcoded only
> one reducer
> --------------------------------------------------------------------------------------
>
> Key: HIVE-12963
> URL: https://issues.apache.org/jira/browse/HIVE-12963
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Affects Versions: 1.0.0, 1.2.1, 0.13
> Reporter: Alina Abramova
> Assignee: Alina Abramova
> Attachments: HIVE-12963.1.patch, HIVE-12963.2.patch,
> HIVE-12963.3.patch, HIVE-12963.4.patch, HIVE-12963.6.patch
>
>
> I execute query:
> hive> select age from test1 sort by age.age limit 10;
> Total jobs = 2
> Launching Job 1 out of 2
> Number of reduce tasks not specified. Estimated from input data size: 1
> Launching Job 2 out of 2
> Number of reduce tasks determined at compile time: 1
> When I have a large number of rows then the last stage of the job takes a
> long time. I think we could allow to user choose number of reducers of last
> job or refuse extra MR job.
> The same behavior I observed with querie:
> hive> create table new_test as select age from test1 group by age.age limit
> 10;
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