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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-16546) LLAP: Fail map join tasks if hash table memory exceeds threshold
Date Fri, 28 Apr 2017 13:40:04 GMT

    [ https://issues.apache.org/jira/browse/HIVE-16546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15988810#comment-15988810
] 

Hive QA commented on HIVE-16546:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12865459/HIVE-16546.2.patch

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

{color:red}ERROR:{color} -1 due to 3 failed/errored test(s), 10631 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestAccumuloCliDriver.testCliDriver[accumulo_index] (batchId=225)
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver[hbasestats] (batchId=91)
org.apache.hadoop.hive.cli.TestSparkNegativeCliDriver.org.apache.hadoop.hive.cli.TestSparkNegativeCliDriver
(batchId=236)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/4921/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/4921/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-4921/

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: 3 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12865459 - PreCommit-HIVE-Build

> LLAP: Fail map join tasks if hash table memory exceeds threshold
> ----------------------------------------------------------------
>
>                 Key: HIVE-16546
>                 URL: https://issues.apache.org/jira/browse/HIVE-16546
>             Project: Hive
>          Issue Type: Bug
>          Components: llap
>    Affects Versions: 3.0.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>         Attachments: HIVE-16546.1.patch, HIVE-16546.2.patch, HIVE-16546.WIP.patch
>
>
> When map join task is running in llap, it can potentially use lot more memory than its
limit which could be memory per executor or no conditional task size. If it uses more memory,
it can adversely affect other query performance or it can even bring down the daemon. In such
cases, it is better to fail the query than to bring down the daemon. 



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