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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-12753) Improve performance of LazyBinaryColumnarSerDe for Text strings
Date Tue, 05 Jan 2016 06:08:39 GMT

    [ https://issues.apache.org/jira/browse/HIVE-12753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15082457#comment-15082457
] 

Hive QA commented on HIVE-12753:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12779743/HIVE-12753.patch

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

{color:red}ERROR:{color} -1 due to 17 failed/errored test(s), 9997 tests executed
*Failed tests:*
{noformat}
TestHWISessionManager - did not produce a TEST-*.xml file
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_order2
org.apache.hadoop.hive.cli.TestEncryptedHDFSCliDriver.testCliDriver_encryption_insert_partition_dynamic
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testNegativeCliDriver_authorization_uri_import
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testNegativeCliDriver_columnstats_partlvl_multiple_part_clause
org.apache.hadoop.hive.ql.exec.spark.session.TestSparkSessionManagerImpl.testMultiSessionMultipleUse
org.apache.hadoop.hive.ql.exec.spark.session.TestSparkSessionManagerImpl.testSingleSessionMultipleUse
org.apache.hadoop.hive.ql.security.authorization.plugin.TestHiveOperationType.checkHiveOperationTypeMatch
org.apache.hive.jdbc.TestSSL.testSSLVersion
org.apache.hive.spark.client.TestSparkClient.testAddJarsAndFiles
org.apache.hive.spark.client.TestSparkClient.testCounters
org.apache.hive.spark.client.TestSparkClient.testErrorJob
org.apache.hive.spark.client.TestSparkClient.testJobSubmission
org.apache.hive.spark.client.TestSparkClient.testMetricsCollection
org.apache.hive.spark.client.TestSparkClient.testRemoteClient
org.apache.hive.spark.client.TestSparkClient.testSimpleSparkJob
org.apache.hive.spark.client.TestSparkClient.testSyncRpc
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6511/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6511/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-6511/

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: 17 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12779743 - PreCommit-HIVE-TRUNK-Build

> Improve performance of LazyBinaryColumnarSerDe for Text strings
> ---------------------------------------------------------------
>
>                 Key: HIVE-12753
>                 URL: https://issues.apache.org/jira/browse/HIVE-12753
>             Project: Hive
>          Issue Type: Bug
>          Components: Serializers/Deserializers
>    Affects Versions: 1.2.1
>            Reporter: David Phillips
>         Attachments: HIVE-12753.patch
>
>
> {{LazyBinaryColumnarSerDe}} needs to special case writing empty strings, but it does
so by calling {{getPrimitiveJavaObject()}} rather than {{getPrimitiveWritableObject()}} on
{{StringObjectInspector}}. If the object is {{Text}}, then this requires a conversion to a
Java {{String}} just to get the length.
> Unfortunately, the best method to call depends on the object type (or the object inspector
type). One solution is to call {{getPrimitiveWritableObject()}} if the object is an instance
of {{Text}} or {{BytesWritable}}.



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