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From "Eugene Koifman (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HIVE-17075) unstable stats in q files
Date Tue, 11 Jul 2017 17:37:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-17075?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eugene Koifman reassigned HIVE-17075:
-------------------------------------


> unstable stats in q files
> -------------------------
>
>                 Key: HIVE-17075
>                 URL: https://issues.apache.org/jira/browse/HIVE-17075
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Eugene Koifman
>            Assignee: Pengcheng Xiong
>
> stats recorded in explain plan in .out files are sometimes unstable 
> here is 1 concrete example (HIVE-15898 1st run is patch 6, 2nd run is patch 7)
> {noformat}
> [10:23 AM] Eugene Koifman: 1st run
> [10:23 AM] Eugene Koifman: https://builds.apache.org/job/PreCommit-HIVE-Build/5951/testReport/org.apache.hadoop.hive.cli/TestMi...
> [10:23 AM] Eugene Koifman: 316c316
> <                   Statistics: Num rows: 45 Data
size: 4560 Basic stats: COMPLETE Column stats: NONE
> ---
> >                   Statistics: Num rows: 45 Data
size: 4571 Basic stats: COMPLETE Column stats: NONE
> [10:23 AM] Eugene Koifman: this is the 1st diff - it says that actual result was 4560
and expected was 4571
> [10:24 AM] Eugene Koifman: here is a 2nd run (the only difference is that I update the
.out file)
> [10:24 AM] Eugene Koifman: https://builds.apache.org/job/PreCommit-HIVE-Build/5956/testReport/org.apache.hadoop.hive.cli/TestMi...
> [10:24 AM] Eugene Koifman: 316c316
> <                   Statistics: Num rows: 45 Data
size: 4573 Basic stats: COMPLETE Column stats: NONE
> ---
> >                   Statistics: Num rows: 45 Data
size: 4560 Basic stats: COMPLETE Column stats: NONE
> [10:25 AM] Eugene Koifman: is the 1st diff in the 2nd run
> {noformat}
> The actual value from each run is different.
> Complete output from patch 6 run 
> {noformat}
> Client Execution succeeded but contained differences (error code = 1) after executing
sqlmerge_type2_scd.q 
> 316c316
> <                   Statistics: Num rows: 45 Data size: 4560 Basic stats: COMPLETE
Column stats: NONE
> ---
> >                   Statistics: Num rows: 45 Data size: 4571 Basic stats: COMPLETE
Column stats: NONE
> 319c319
> <                     Statistics: Num rows: 45 Data size: 4560 Basic stats: COMPLETE
Column stats: NONE
> ---
> >                     Statistics: Num rows: 45 Data size: 4571 Basic stats: COMPLETE
Column stats: NONE
> 324c324
> <                       Statistics: Num rows: 45 Data size: 4560 Basic stats: COMPLETE
Column stats: NONE
> ---
> >                       Statistics: Num rows: 45 Data size: 4571 Basic stats: COMPLETE
Column stats: NONE
> 347c347
> <                   Statistics: Num rows: 22 Data size: 4560 Basic stats: COMPLETE
Column stats: NONE
> ---
> >                   Statistics: Num rows: 22 Data size: 4571 Basic stats: COMPLETE
Column stats: NONE
> 350c350
> <                     Statistics: Num rows: 22 Data size: 4560 Basic stats: COMPLETE
Column stats: NONE
> ---
> >                     Statistics: Num rows: 22 Data size: 4571 Basic stats: COMPLETE
Column stats: NONE
> 355c355
> <                       Statistics: Num rows: 22 Data size: 4560 Basic stats: COMPLETE
Column stats: NONE
> ---
> >                       Statistics: Num rows: 22 Data size: 4571 Basic stats: COMPLETE
Column stats: NONE
> 369c369
> <                 Statistics: Num rows: 49 Data size: 5016 Basic stats: COMPLETE Column
stats: NONE
> ---
> >                 Statistics: Num rows: 49 Data size: 5028 Basic stats: COMPLETE Column
stats: NONE
> 373c373
> <                   Statistics: Num rows: 49 Data size: 5016 Basic stats: COMPLETE
Column stats: NONE
> ---
> >                   Statistics: Num rows: 49 Data size: 5028 Basic stats: COMPLETE
Column stats: NONE
> 378c378
> <                     Statistics: Num rows: 49 Data size: 5016 Basic stats: COMPLETE
Column stats: NONE
> ---
> >                     Statistics: Num rows: 49 Data size: 5028 Basic stats: COMPLETE
Column stats: NONE
> 390c390
> <                 Statis
> {noformat}
> From patch 7 run 
> {noformat}
> 316c316
> <                   Statistics: Num rows: 45 Data size: 4573 Basic stats: COMPLETE
Column stats: NONE
> ---
> >                   Statistics: Num rows: 45 Data size: 4560 Basic stats: COMPLETE
Column stats: NONE
> 319c319
> <                     Statistics: Num rows: 45 Data size: 4573 Basic stats: COMPLETE
Column stats: NONE
> ---
> >                     Statistics: Num rows: 45 Data size: 4560 Basic stats: COMPLETE
Column stats: NONE
> 324c324
> <                       Statistics: Num rows: 45 Data size: 4573 Basic stats: COMPLETE
Column stats: NONE
> ---
> >                       Statistics: Num rows: 45 Data size: 4560 Basic stats: COMPLETE
Column stats: NONE
> 347c347
> <                   Statistics: Num rows: 22 Data size: 4573 Basic stats: COMPLETE
Column stats: NONE
> ---
> >                   Statistics: Num rows: 22 Data size: 4560 Basic stats: COMPLETE
Column stats: NONE
> 350c350
> <                     Statistics: Num rows: 22 Data size: 4573 Basic stats: COMPLETE
Column stats: NONE
> ---
> >                     Statistics: Num rows: 22 Data size: 4560 Basic stats: COMPLETE
Column stats: NONE
> 355c355
> <                       Statistics: Num rows: 22 Data size: 4573 Basic stats: COMPLETE
Column stats: NONE
> ---
> >                       Statistics: Num rows: 22 Data size: 4560 Basic stats: COMPLETE
Column stats: NONE
> 369c369
> <                 Statistics: Num rows: 49 Data size: 5030 Basic stats: COMPLETE Column
stats: NONE
> ---
> >                 Statistics: Num rows: 49 Data size: 5016 Basic stats: COMPLETE Column
stats: NONE
> 373c373
> <                   Statistics: Num rows: 49 Data size: 5030 Basic stats: COMPLETE
Column stats: NONE
> ---
> >                   Statistics: Num rows: 49 Data size: 5016 Basic stats: COMPLETE
Column stats: NONE
> 378c378
> <                     Statistics: Num rows: 49 Data size: 5030 Basic stats: COMPLETE
Column stats: NONE
> ---
> >                     Statistics: Num rows: 49 Data size: 5016 Basic stats: COMPLETE
Column stats: NONE
> 390c390
> <                 Statis
> {noformat}



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