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From "Hive QA (JIRA)" <>
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


Hive QA commented on HIVE-14403:

Here are the results of testing the latest attachment:

{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:*
TestMsgBusConnection - did not produce a TEST-*.xml file
TestQueryLifeTimeHook - did not produce a TEST-*.xml file

Test results:
Console output:
Test logs:

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

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:
>             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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