[jira] [Commented] (HIVE-15487) LLAP: Improvements to random selection while scheduling

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

    [ https://issues.apache.org/jira/browse/HIVE-15487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15768859#comment-15768859 ] 

Hive QA commented on HIVE-15487:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12844309/HIVE-15487.1.patch

{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 5 failed/errored test(s), 10808 tests executed
*Failed tests:*
{noformat}
TestDerbyConnector - did not produce a TEST-*.xml file (likely timed out) (batchId=234)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[dbtxnmgr_showlocks] (batchId=71)
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver[explainanalyze_2] (batchId=93)
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver[explainanalyze_4] (batchId=93)
org.apache.hive.jdbc.TestJdbcDriver2.testSelectExecAsync2 (batchId=214)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/2685/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/2685/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-2685/

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: 5 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12844309 - PreCommit-HIVE-Build

> LLAP: Improvements to random selection while scheduling
> -------------------------------------------------------
>
>                 Key: HIVE-15487
>                 URL: https://issues.apache.org/jira/browse/HIVE-15487
>             Project: Hive
>          Issue Type: Bug
>          Components: llap
>    Affects Versions: 2.2.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>         Attachments: HIVE-15487.1.patch
>
>
> Currently llap scheduler, picks up random host when no locality information is specified or when all requested hosts are busy serving other requests with forced locality. In such cases, we can pick up the next available node in consistent order to get better locality instead of random selection. 



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