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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17455) External LLAP client: connection to HS2 should be kept open until explicitly closed
Date Wed, 06 Sep 2017 21:59:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16156090#comment-16156090
] 

Hive QA commented on HIVE-17455:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12885642/HIVE-17455.2.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), 11028 tests executed
*Failed tests:*
{noformat}
TestAccumuloCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=230)
TestDummy - did not produce a TEST-*.xml file (likely timed out) (batchId=230)
TestTxnCommandsBase - did not produce a TEST-*.xml file (likely timed out) (batchId=280)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[insert_values_orig_table_use_metadata]
(batchId=61)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query14] (batchId=234)
org.apache.hadoop.hive.ql.lockmgr.TestDbTxnManager2.testWriteSetTracking1 (batchId=282)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/6697/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/6697/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-6697/

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: 12885642 - PreCommit-HIVE-Build

> External LLAP client: connection to HS2 should be kept open until explicitly closed
> -----------------------------------------------------------------------------------
>
>                 Key: HIVE-17455
>                 URL: https://issues.apache.org/jira/browse/HIVE-17455
>             Project: Hive
>          Issue Type: Sub-task
>          Components: llap
>            Reporter: Jason Dere
>            Assignee: Jason Dere
>         Attachments: HIVE-17455.1.patch, HIVE-17455.2.patch, HIVE-17455.3.patch
>
>
> In the case that a complex query (aggregation/join) is passed to external LLAP client,
the query result is first saved as a Hive temp table before being read by LLAP to client.
Currently the HS2 connection used to fetch the LLAP splits is closed right after the splits
are fetched, which means the temp table is gone by the time LLAP tries to read it.
> Try to keep the connection open so that the table is still around when LLAP tries to
read it. Add close methods which can be used to close the connection when the client is done
with the query.



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