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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17482) External LLAP client: acquire locks for tables queried directly by LLAP
Date Sat, 23 Sep 2017 09:49:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16177694#comment-16177694
] 

Hive QA commented on HIVE-17482:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12888593/HIVE-17482.4.patch

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

{color:red}ERROR:{color} -1 due to 9 failed/errored test(s), 11041 tests executed
*Failed tests:*
{noformat}
TestAccumuloCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=231)
TestDummy - did not produce a TEST-*.xml file (likely timed out) (batchId=231)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[union_fast_stats] (batchId=156)
org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver[spark_explainuser_1]
(batchId=170)
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver[explainanalyze_2] (batchId=100)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query14] (batchId=235)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query23] (batchId=235)
org.apache.hadoop.hive.ql.lockmgr.TestDbTxnManager2.testCompletedTxnComponents (batchId=283)
org.apache.hive.hcatalog.api.TestHCatClient.org.apache.hive.hcatalog.api.TestHCatClient (batchId=180)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/6956/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/6956/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-6956/

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: 9 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12888593 - PreCommit-HIVE-Build

> External LLAP client: acquire locks for tables queried directly by LLAP
> -----------------------------------------------------------------------
>
>                 Key: HIVE-17482
>                 URL: https://issues.apache.org/jira/browse/HIVE-17482
>             Project: Hive
>          Issue Type: Sub-task
>          Components: llap
>            Reporter: Jason Dere
>            Assignee: Jason Dere
>         Attachments: HIVE-17482.1.patch, HIVE-17482.2.patch, HIVE-17482.3.patch, HIVE-17482.4.patch
>
>
> When using the LLAP external client with simple queries (filter/project of single table),
the appropriate locks should be taken on the table being read like they are for normal Hive
queries. This is important in the case of transactional tables being queried, since the compactor
relies on the presence of table locks to determine whether it can safely delete old versions
of compacted files without affecting currently running queries.
> This does not have to happen in the complex query case, since a query is used (with the
appropriate locking mechanisms) to create/populate the temp table holding the results to the
complex query.



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