[ https://issues.apache.org/jira/browse/HIVE-3972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14267383#comment-14267383 ]
Hive QA commented on HIVE-3972: ------------------------------- {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/12690472/HIVE-3972.10.patch.txt {color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 6724 tests executed *Failed tests:* {noformat} org.apache.hive.hcatalog.streaming.TestStreaming.testEndpointConnection {noformat} Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/2276/testReport Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/2276/console Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-2276/ 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: 1 tests failed {noformat} This message is automatically generated. ATTACHMENT ID: 12690472 - PreCommit-HIVE-TRUNK-Build > Support using multiple reducer for fetching order by results > ------------------------------------------------------------ > > Key: HIVE-3972 > URL: https://issues.apache.org/jira/browse/HIVE-3972 > Project: Hive > Issue Type: Improvement > Components: Query Processor > Reporter: Navis > Assignee: Navis > Priority: Minor > Attachments: D8349.5.patch, D8349.6.patch, D8349.7.patch, > HIVE-3972.10.patch.txt, HIVE-3972.8.patch.txt, HIVE-3972.9.patch.txt, > HIVE-3972.D8349.1.patch, HIVE-3972.D8349.2.patch, HIVE-3972.D8349.3.patch, > HIVE-3972.D8349.4.patch > > > Queries for fetching results which have lastly "order by" clause make final > MR run with single reducer, which can be too much. For example, > {code} > select value, sum(key) as sum from src group by value order by sum; > {code} > If number of reducer is reasonable, multiple result files could be merged > into single sorted stream in the fetcher level. -- This message was sent by Atlassian JIRA (v6.3.4#6332)