[jira] [Commented] (HIVE-15928) Parallelization of Select queries in Druid handler

["Hive QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-15928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15870500#comment-15870500 ] 

Hive QA commented on HIVE-15928:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12853070/HIVE-15928.patch

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

{color:red}ERROR:{color} -1 due to 8 failed/errored test(s), 10224 tests executed
*Failed tests:*
{noformat}
TestDerbyConnector - did not produce a TEST-*.xml file (likely timed out) (batchId=235)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[cbo_rp_auto_join1] (batchId=3)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[join31] (batchId=81)
org.apache.hadoop.hive.cli.TestEncryptedHDFSCliDriver.testCliDriver[encryption_join_with_different_encryption_keys] (batchId=159)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[multiMapJoin2] (batchId=152)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query14] (batchId=223)
org.apache.hadoop.hive.cli.TestSparkCliDriver.org.apache.hadoop.hive.cli.TestSparkCliDriver (batchId=116)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[join31] (batchId=133)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/3602/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/3602/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-3602/

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: 8 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12853070 - PreCommit-HIVE-Build

> Parallelization of Select queries in Druid handler
> --------------------------------------------------
>
>                 Key: HIVE-15928
>                 URL: https://issues.apache.org/jira/browse/HIVE-15928
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Druid integration
>    Affects Versions: 2.2.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>         Attachments: HIVE-15928.patch
>
>
> Even if we split a Select query along its time dimension, parallelization is limited as all queries will hit the broker node. Instead, we can interrogate the broker to get the Druid nodes that contain the data, and query those nodes directly.



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