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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-14165) Remove Hive file listing during split computation
Date Thu, 23 Mar 2017 05:24:41 GMT

    [ https://issues.apache.org/jira/browse/HIVE-14165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15937749#comment-15937749
] 

Hive QA commented on HIVE-14165:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12860035/HIVE-14165.07.patch

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

{color:red}ERROR:{color} -1 due to 3 failed/errored test(s), 10509 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[comments] (batchId=35)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[exim_04_evolved_parts] (batchId=29)
org.apache.hive.hcatalog.pig.TestOrcHCatLoader.testReadMissingPartitionBasicNeg (batchId=175)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/4304/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/4304/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-4304/

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: 3 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12860035 - PreCommit-HIVE-Build

> Remove Hive file listing during split computation
> -------------------------------------------------
>
>                 Key: HIVE-14165
>                 URL: https://issues.apache.org/jira/browse/HIVE-14165
>             Project: Hive
>          Issue Type: Sub-task
>    Affects Versions: 2.1.0
>            Reporter: Abdullah Yousufi
>            Assignee: Sahil Takiar
>         Attachments: HIVE-14165.02.patch, HIVE-14165.03.patch, HIVE-14165.04.patch, HIVE-14165.05.patch,
HIVE-14165.06.patch, HIVE-14165.07.patch, HIVE-14165.patch
>
>
> The Hive side listing in FetchOperator.java is unnecessary, since Hadoop's FileInputFormat.java
will list the files during split computation anyway to determine their size. One way to remove
this is to catch the InvalidInputFormat exception thrown by FileInputFormat#getSplits() on
the Hive side instead of doing the file listing beforehand.
> For S3 select queries on partitioned tables, this results in a 2x speedup.



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