Sergey Shelukhin commented on HIVE-18571:

Another iteration. Addressed CR feedback, rebased, fixed CTAS WriteEntry to 
actually have table properties (not sure if that affected anything else but it 
definitely affected the WriteEntry write ID patch, and also hasTransactional... 
flag in SemanticAnalyzer), and also fixed some stats aggregation logic; mm_all 
stats tables now have all the stats but without the "accurate" flag.
Some other out files will definitely change, I will see if anything else needs 
fixing or if we can just update those.

Filed the followup jira for ACID stats; will also file more jiras based on 
other TODOs in the end.

> stats issues for MM tables
> --------------------------
>                 Key: HIVE-18571
>                 URL: https://issues.apache.org/jira/browse/HIVE-18571
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>            Priority: Major
>         Attachments: HIVE-18571.01.patch, HIVE-18571.02.patch, 
> HIVE-18571.03.patch, HIVE-18571.04.patch, HIVE-18571.patch
> There are multiple stats aggregation issues with MM tables.
> Some simple stats are double counted and some stats (simple stats) are 
> invalid for ACID table dirs altogether. 
> I have a patch almost ready, need to fix some more stuff and clean up.

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