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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-13858) LLAP: A preempted task can end up waiting on completeInitialization if some part of the executing code suppressed the interrupt
Date Wed, 01 Jun 2016 01:18:12 GMT

    [ https://issues.apache.org/jira/browse/HIVE-13858?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15309008#comment-15309008
] 

Hive QA commented on HIVE-13858:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12806662/HIVE-13858.03.patch

{color:red}ERROR:{color} -1 due to no test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 12 failed/errored test(s), 10195 tests executed
*Failed tests:*
{noformat}
TestHWISessionManager - did not produce a TEST-*.xml file
TestJdbcWithMiniHA - did not produce a TEST-*.xml file
TestJdbcWithMiniMr - did not produce a TEST-*.xml file
TestOperationLoggingAPIWithTez - did not produce a TEST-*.xml file
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_ivyDownload
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_list_bucket_dml_12
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_stats_list_bucket
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_subquery_multiinsert
org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver_constprog_partitioner
org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver_index_bitmap3
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_complex_all
org.apache.hadoop.hive.ql.lockmgr.TestDbTxnManager2.testLocksInSubquery
{noformat}

Test results: http://ec2-54-177-240-2.us-west-1.compute.amazonaws.com/job/PreCommit-HIVE-MASTER-Build/472/testReport
Console output: http://ec2-54-177-240-2.us-west-1.compute.amazonaws.com/job/PreCommit-HIVE-MASTER-Build/472/console
Test logs: http://ec2-50-18-27-0.us-west-1.compute.amazonaws.com/logs/PreCommit-HIVE-MASTER-Build-472/

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: 12 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12806662 - PreCommit-HIVE-MASTER-Build

> LLAP: A preempted task can end up waiting on completeInitialization if some part of the
executing code suppressed the interrupt
> -------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-13858
>                 URL: https://issues.apache.org/jira/browse/HIVE-13858
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>            Reporter: Siddharth Seth
>            Assignee: Siddharth Seth
>            Priority: Critical
>              Labels: llap
>         Attachments: HIVE-13858.01.patch, HIVE-13858.02.patch, HIVE-13858.03.patch
>
>
> An interrupt along with a HiveProcessor.abort call is made when attempting to preempt
a task.
> In this specific case, the task was in the middle of HDFS IO - which 'handled' the interrupt
by retrying. As a result the interrupt status on the thread was reset - so instead of skipping
the future.get in completeInitialization - the task ended up blocking there.
> End result - a single executor slot permanently blocked in LLAP. Depending on what else
is running - this can cause a cluster level deadlock.



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