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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-7156) Group-By operator stat-annotation only uses distinct approx to generate rollups
Date Thu, 11 Sep 2014 05:47:33 GMT

    [ https://issues.apache.org/jira/browse/HIVE-7156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14129669#comment-14129669
] 

Hive QA commented on HIVE-7156:
-------------------------------



{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/12667869/HIVE-7156.2.patch

{color:red}ERROR:{color} -1 due to 47 failed/errored test(s), 6196 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_binarysortable_1
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_combine2
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_groupby_cube1
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_groupby_grouping_sets2
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_groupby_grouping_sets3
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_groupby_grouping_sets5
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_groupby_rollup1
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_groupby_sort_11
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_groupby_sort_6
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_limit_partition_metadataonly
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_merge2
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_udf_explode
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union11
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union14
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union15
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union17
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union19
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union21
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union5
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union7
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_1
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_10
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_13
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_15
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_16
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_18
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_19
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_2
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_20
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_21
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_22
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_23
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_24
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_25
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_4
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_5
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_6
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_7
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_8
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_9
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_dynamic_partition_pruning
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_dynamic_partition_pruning_2
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_merge2
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_metadataonly1
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_union7
org.apache.hadoop.hive.ql.parse.TestParse.testParse_union
org.apache.hive.jdbc.miniHS2.TestHiveServer2.testConnection
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/734/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/734/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-734/

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: 47 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12667869

> Group-By operator stat-annotation only uses distinct approx to generate rollups
> -------------------------------------------------------------------------------
>
>                 Key: HIVE-7156
>                 URL: https://issues.apache.org/jira/browse/HIVE-7156
>             Project: Hive
>          Issue Type: Sub-task
>    Affects Versions: 0.14.0
>            Reporter: Gopal V
>            Assignee: Prasanth J
>         Attachments: HIVE-7156.1.patch, HIVE-7156.2.patch
>
>
> The stats annotation for a group-by only annotates the reduce-side row-count with the
distinct values.
> The map-side gets the row-count as the rows output instead of distinct * parallelism,
while the reducer side gets the correct parallelism.
> {code}
> hive> explain select distinct L_SHIPDATE from lineitem;
>       Vertices:
>         Map 1 
>             Map Operator Tree:
>                 TableScan
>                   alias: lineitem
>                   Statistics: Num rows: 5999989709 Data size: 4745677733354 Basic stats:
COMPLETE Column stats: COMPLETE
>                   Select Operator
>                     expressions: l_shipdate (type: string)
>                     outputColumnNames: l_shipdate
>                     Statistics: Num rows: 5999989709 Data size: 4745677733354 Basic stats:
COMPLETE Column stats: COMPLETE
>                     Group By Operator
>                       keys: l_shipdate (type: string)
>                       mode: hash
>                       outputColumnNames: _col0
>                       Statistics: Num rows: 5999989709 Data size: 563999032646 Basic
stats: COMPLETE Column stats: COMPLETE
>                       Reduce Output Operator
>                         key expressions: _col0 (type: string)
>                         sort order: +
>                         Map-reduce partition columns: _col0 (type: string)
>                         Statistics: Num rows: 5999989709 Data size: 563999032646 Basic
stats: COMPLETE Column stats: COMPLETE
>             Execution mode: vectorized
>         Reducer 2 
>             Reduce Operator Tree:
>               Group By Operator
>                 keys: KEY._col0 (type: string)
>                 mode: mergepartial
>                 outputColumnNames: _col0
>                 Statistics: Num rows: 1955 Data size: 183770 Basic stats: COMPLETE Column
stats: COMPLETE
>                 Select Operator
>                   expressions: _col0 (type: string)
>                   outputColumnNames: _col0
>                   Statistics: Num rows: 1955 Data size: 183770 Basic stats: COMPLETE
Column stats: COMPLETE
> {code}



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