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https://issues.apache.org/jira/browse/HIVE-23210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17085381#comment-17085381
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Hive QA commented on HIVE-23210:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/13000196/HIVE-23210.01.patch
{color:green}SUCCESS:{color} +1 due to 2 test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 17131 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.llap.daemon.impl.comparator.TestShortestJobFirstComparator.testWaitQueueComparatorParallelism
(batchId=294)
{noformat}
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/21709/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/21709/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-21709/
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
Tests exited with: TestsFailedException: 1 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 13000196 - PreCommit-HIVE-Build
> Fix shortestjobcomparator when jobs submitted have 1 task their vertices
> ------------------------------------------------------------------------
>
> Key: HIVE-23210
> URL: https://issues.apache.org/jira/browse/HIVE-23210
> Project: Hive
> Issue Type: Improvement
> Reporter: Rajesh Balamohan
> Assignee: Panagiotis Garefalakis
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-23210.01.patch, TestShortestJobFirstComparator.java
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> In latency sensitive queries, lots of jobs can have vertices with 1 task.
> Currently shortestjobcomparator does not work correctly and returns tasks in
> random order.
> [https://github.com/apache/hive/blob/master/llap-server/src/java/org/apache/hadoop/hive/llap/daemon/impl/comparator/ShortestJobFirstComparator.java#L51]
> This causes delay in the job runtime. I will attach a simple test case
> shortly.
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