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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-12945) Bucket pruning: bucketing for -ve hashcodes have historical issues
Date Thu, 28 Jan 2016 10:32:39 GMT

    [ https://issues.apache.org/jira/browse/HIVE-12945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15121180#comment-15121180
] 

Hive QA commented on HIVE-12945:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12784721/HIVE-12945.1.patch

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

{color:red}ERROR:{color} -1 due to 19 failed/errored test(s), 10035 tests executed
*Failed tests:*
{noformat}
TestCompareCliDriver - did not produce a TEST-*.xml file
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.org.apache.hadoop.hive.cli.TestMiniTezCliDriver
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_cbo_stats
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_correlationoptimizer1
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_delete_where_non_partitioned
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_join_nullsafe
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_nonmr_fetch_threshold
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_orc_merge5
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_orc_ppd_basic
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_tez_bmj_schema_evolution
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_tez_dynpart_hashjoin_1
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_decimal_5
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_decimal_6
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_interval_1
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorization_2
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorization_limit
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorized_timestamp_ints_casts
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testNegativeCliDriver_authorization_uri_import
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/6776/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6776/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-6776/

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: 19 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12784721 - PreCommit-HIVE-TRUNK-Build

> Bucket pruning: bucketing for -ve hashcodes have historical issues
> ------------------------------------------------------------------
>
>                 Key: HIVE-12945
>                 URL: https://issues.apache.org/jira/browse/HIVE-12945
>             Project: Hive
>          Issue Type: Bug
>          Components: Tez
>    Affects Versions: 2.0.0
>            Reporter: Gopal V
>            Assignee: Gopal V
>            Priority: Critical
>         Attachments: HIVE-12945.1.patch
>
>
> The different ETL pathways differed in reducer choice slightly for -ve hashcodes.
> {code}
> (hashCode & Integer.MAX_VALUE) % numberOfBuckets;
> !=
> Math.abs(hashCode) % numberOfBuckets
> {code}
> Add a backwards compat option, which can be used to protect against old data left over
from 0.13.



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