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From "Hive QA (JIRA)" <>
Subject [jira] [Commented] (HIVE-7405) Vectorize GROUP BY on the Reduce-Side (Part 1 – Basic)
Date Sat, 30 Aug 2014 06:44:53 GMT


Hive QA commented on HIVE-7405:

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

Here are the results of testing the latest attachment:

{color:red}ERROR:{color} -1 due to 4 failed/errored test(s), 6132 tests executed
*Failed tests:*

Test results:
Console output:
Test logs:

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: 4 tests failed

This message is automatically generated.


> Vectorize GROUP BY on the Reduce-Side (Part 1 – Basic)
> ------------------------------------------------------
>                 Key: HIVE-7405
>                 URL:
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Matt McCline
>            Assignee: Matt McCline
>         Attachments: HIVE-7405.1.patch, HIVE-7405.2.patch, HIVE-7405.3.patch, HIVE-7405.4.patch,
HIVE-7405.5.patch, HIVE-7405.6.patch, HIVE-7405.7.patch, HIVE-7405.8.patch, HIVE-7405.9.patch,
HIVE-7405.91.patch, HIVE-7405.92.patch, HIVE-7405.93.patch, HIVE-7405.94.patch, HIVE-7405.95.patch
> Vectorize the basic case that does not have any count distinct aggregation.
> Add a 4th processing mode in VectorGroupByOperator for reduce where each input VectorizedRowBatch
has only values for one key at a time.  Thus, the values in the batch can be aggregated quickly.

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