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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-14403) LLAP node specific preemption will only preempt once on a node per AM
Date Wed, 03 Aug 2016 09:45:20 GMT

    [ https://issues.apache.org/jira/browse/HIVE-14403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15405632#comment-15405632
] 

Hive QA commented on HIVE-14403:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12821711/HIVE-14403.02.patch

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

{color:red}ERROR:{color} -1 due to 6 failed/errored test(s), 10432 tests executed
*Failed tests:*
{noformat}
TestMsgBusConnection - did not produce a TEST-*.xml file
TestQueryLifeTimeHook - did not produce a TEST-*.xml file
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_stats_list_bucket
org.apache.hadoop.hive.llap.tezplugins.TestLlapTaskSchedulerService.testDelayedLocalityNodeCommErrorImmediateAllocation
org.apache.hadoop.hive.metastore.TestHiveMetaStoreTxns.stringifyValidTxns
org.apache.hadoop.hive.metastore.TestHiveMetaStoreTxns.testTxnRange
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-MASTER-Build/746/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-MASTER-Build/746/console
Test logs: http://ec2-204-236-174-241.us-west-1.compute.amazonaws.com/logs/PreCommit-HIVE-MASTER-Build-746/

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: 6 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12821711 - PreCommit-HIVE-MASTER-Build

> LLAP node specific preemption will only preempt once on a node per AM
> ---------------------------------------------------------------------
>
>                 Key: HIVE-14403
>                 URL: https://issues.apache.org/jira/browse/HIVE-14403
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Siddharth Seth
>            Assignee: Siddharth Seth
>            Priority: Critical
>         Attachments: HIVE-14403.01.patch, HIVE-14403.02.patch
>
>
> Query hang reported by [~cartershanklin]
> Turns out that once an AM has preempted a task on a node for locality, it will not be
able to preempt another task on the same node (specifically for local requests)
> Manifests as a query hanging. It's possible for a previous query to interfere with a
subsequent query since the AM is shared.



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