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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-10982) Customizable the value of java.sql.statement.setFetchSize in Hive JDBC Driver
Date Fri, 25 Sep 2015 21:50:04 GMT

    [ https://issues.apache.org/jira/browse/HIVE-10982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14908726#comment-14908726
] 

Hive QA commented on HIVE-10982:
--------------------------------



{color:red}Overall{color}: -1 at least one tests failed

Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12762068/HIVE-10982.1.patch

{color:red}ERROR:{color} -1 due to 3 failed/errored test(s), 9621 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_vector_groupby_reduce
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_groupby_reduce
org.apache.hive.hcatalog.api.TestHCatClient.testTableSchemaPropagation
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/5416/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/5416/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-5416/

Messages:
{noformat}
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: 12762068 - PreCommit-HIVE-TRUNK-Build

> Customizable the value of  java.sql.statement.setFetchSize in Hive JDBC Driver
> ------------------------------------------------------------------------------
>
>                 Key: HIVE-10982
>                 URL: https://issues.apache.org/jira/browse/HIVE-10982
>             Project: Hive
>          Issue Type: Improvement
>          Components: JDBC
>    Affects Versions: 1.2.0, 1.2.1
>            Reporter: Bing Li
>            Assignee: Bing Li
>            Priority: Critical
>         Attachments: HIVE-10982.1.patch
>
>
> The current JDBC driver for Hive hard-code the value of setFetchSize to 50, which will
be a bottleneck for performance.
> Pentaho filed this issue as  http://jira.pentaho.com/browse/PDI-11511, whose status is
open.
> Also it has discussion in http://forums.pentaho.com/showthread.php?158381-Hive-JDBC-Query-too-slow-too-many-fetches-after-query-execution-Kettle-Xform
> http://mail-archives.apache.org/mod_mbox/hive-user/201307.mbox/%3CCACQ46vEVGrfqG5rWXNr1PSgYz7dcF07mvLo8MM2qiT3ANM1XvQ@mail.gmail.com%3E



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