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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 Wed, 09 Dec 2015 03:53:11 GMT

    [ https://issues.apache.org/jira/browse/HIVE-10982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15047984#comment-15047984
] 

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



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12776348/HIVE-10982.2.patch

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

{color:red}ERROR:{color} -1 due to 11 failed/errored test(s), 9871 tests executed
*Failed tests:*
{noformat}
TestHWISessionManager - did not produce a TEST-*.xml file
TestSparkCliDriver-timestamp_lazy.q-bucketsortoptimize_insert_4.q-date_udf.q-and-12-more -
did not produce a TEST-*.xml file
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_cbo_udf_max
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_order2
org.apache.hadoop.hive.cli.TestEncryptedHDFSCliDriver.testCliDriver_encryption_insert_partition_dynamic
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver_dynamic_partition_pruning
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver_vectorized_dynamic_partition_pruning
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_mergejoin
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testNegativeCliDriver_authorization_uri_import
org.apache.hadoop.hive.metastore.TestHiveMetaStorePartitionSpecs.testGetPartitionSpecs_WithAndWithoutPartitionGrouping
org.apache.hive.jdbc.TestSSL.testSSLVersion
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6286/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6286/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-6286/

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: 11 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12776348 - 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, HIVE-10982.2.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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