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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-16799) Control the max number of task for a stage in a spark job
Date Thu, 01 Jun 2017 23:22:04 GMT

    [ https://issues.apache.org/jira/browse/HIVE-16799?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16033897#comment-16033897
] 

Hive QA commented on HIVE-16799:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12870847/HIVE-16799.1.patch

{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 4 failed/errored test(s), 10814 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[cte_mat_4] (batchId=6)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query14] (batchId=232)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query23] (batchId=232)
org.apache.hive.beeline.TestBeeLineWithArgs.testQueryProgressParallel (batchId=220)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/5502/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/5502/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-5502/

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: 12870847 - PreCommit-HIVE-Build

> Control the max number of task for a stage in a spark job
> ---------------------------------------------------------
>
>                 Key: HIVE-16799
>                 URL: https://issues.apache.org/jira/browse/HIVE-16799
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Xuefu Zhang
>            Assignee: Xuefu Zhang
>         Attachments: HIVE-16799.1.patch, HIVE-16799.patch
>
>
> HIVE-16552 gives admin an option to control the maximum number of tasks a Spark job may
have. However, this may not be sufficient as this tends to penalize jobs that have many stages
while favoring jobs that has fewer stages. Ideally, we should also limit the number of tasks
in a stage, which is closer to the maximum number of mappers or reducers in a MR job.



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