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Posted to issues@impala.apache.org by "Vuk Ercegovac (JIRA)" <ji...@apache.org> on 2018/02/01 23:30:00 UTC

[jira] [Resolved] (IMPALA-3562) Extend "compute stats" syntax to support a list of columns

     [ https://issues.apache.org/jira/browse/IMPALA-3562?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vuk Ercegovac resolved IMPALA-3562.
-----------------------------------
       Resolution: Fixed
    Fix Version/s: Impala 3.0

> Extend "compute stats" syntax to support a list of columns
> ----------------------------------------------------------
>
>                 Key: IMPALA-3562
>                 URL: https://issues.apache.org/jira/browse/IMPALA-3562
>             Project: IMPALA
>          Issue Type: Sub-task
>          Components: Frontend
>    Affects Versions: Impala 2.5.0
>            Reporter: Mostafa Mokhtar
>            Assignee: Vuk Ercegovac
>            Priority: Minor
>              Labels: catalog-server, scalability, statistics
>             Fix For: Impala 3.0
>
>         Attachments: dbms_stats-report_col_usage.png
>
>
> Extend "Compute incremental stats" syntax to support a list of columns. 
> This will drastically reduce the time taken to compute stats as well as memory requirement, this should fix issues like IMPALA-2649 
> Very rarely do users need statistics for all columns in a table



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