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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-21279) Avoid moving/rename operation in FileSink op for SELECT queries
Date Sat, 23 Feb 2019 02:23:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-21279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16775754#comment-16775754
] 

Hive QA commented on HIVE-21279:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12959857/HIVE-21279.6.patch

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

{color:red}ERROR:{color} -1 due to 13 failed/errored test(s), 15811 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[results_cache_diff_fs] (batchId=155)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[results_cache_1] (batchId=177)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[results_cache_2] (batchId=182)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[results_cache_capacity]
(batchId=160)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[results_cache_invalidation2]
(batchId=169)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[results_cache_invalidation]
(batchId=169)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[results_cache_lifetime]
(batchId=159)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[results_cache_quoted_identifiers]
(batchId=172)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[results_cache_temptable]
(batchId=183)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[results_cache_transactional]
(batchId=163)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[results_cache_with_masking]
(batchId=178)
org.apache.hadoop.hive.ql.TestAcidOnTez.testMapJoinOnMR (batchId=241)
org.apache.hive.hcatalog.streaming.TestStreaming.testStreamBucketingMatchesRegularBucketing
(batchId=216)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/16210/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/16210/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-16210/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 13 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12959857 - PreCommit-HIVE-Build

> Avoid moving/rename operation in FileSink op for SELECT queries
> ---------------------------------------------------------------
>
>                 Key: HIVE-21279
>                 URL: https://issues.apache.org/jira/browse/HIVE-21279
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Planning
>            Reporter: Vineet Garg
>            Assignee: Vineet Garg
>            Priority: Major
>             Fix For: 4.0.0
>
>         Attachments: HIVE-21279.1.patch, HIVE-21279.2.patch, HIVE-21279.3.patch, HIVE-21279.4.patch,
HIVE-21279.5.patch, HIVE-21279.6.patch
>
>
> Currently at the end of a job FileSink operator moves/rename temp directory to another
directory from which FetchTask fetches result. This is done to avoid fetching potential partial/invalid
files by failed/runway tasks. This operation is expensive for cloud storage. It could be avoided
if FetchTask is passed on set of files to read from instead of whole directory.



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