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Posted to issues-all@impala.apache.org by "Mihaly Szjatinya (Jira)" <ji...@apache.org> on 2026/09/23 08:54:00 UTC

[jira] [Assigned] (IMPALA-15192) Implement COMPUTE INCREMENTAL STATS for Iceberg

     [ https://issues.apache.org/jira/browse/IMPALA-15192?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mihaly Szjatinya reassigned IMPALA-15192:
-----------------------------------------

    Assignee: Mihaly Szjatinya

> Implement COMPUTE INCREMENTAL STATS for Iceberg
> -----------------------------------------------
>
>                 Key: IMPALA-15192
>                 URL: https://issues.apache.org/jira/browse/IMPALA-15192
>             Project: IMPALA
>          Issue Type: Improvement
>            Reporter: Csaba Ringhofer
>            Assignee: Mihaly Szjatinya
>            Priority: Major
>
> See epic for higher level design.
> This ticket is about implementing incremental behavior:
> 1. check snapshot used for last compute stats
> 2. run compute stats only for new files
> 3. merge stats and hll (or theta) arrays with results of prev compute stats
> 4. write merged results back in puffin



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