[jira] [Resolved] (IMPALA-7689) Improve size estimate for incremental stats

["bharath v (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-7689?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

bharath v resolved IMPALA-7689.
-------------------------------
       Resolution: Fixed
    Fix Version/s: Impala 3.1.0

> Improve size estimate for incremental stats
> -------------------------------------------
>
>                 Key: IMPALA-7689
>                 URL: https://issues.apache.org/jira/browse/IMPALA-7689
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Catalog
>    Affects Versions: Impala 3.1.0
>            Reporter: Vuk Ercegovac
>            Assignee: bharath v
>            Priority: Major
>             Fix For: Impala 3.1.0
>
>
> After compressing incremental stats, their size estimate is not too conservative. We use that size estimate to block the functionality (see the corresponding expr in analysis and serialization in catalogd), so without adjusting the estimate, the functionality will be blocked unnecessarily.



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