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https://issues.apache.org/jira/browse/IMPALA-12293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17757016#comment-17757016
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Zoltán Borók-Nagy commented on IMPALA-12293:
--------------------------------------------

Concurrent DELETE/UPDATE operations conflict compactions.

This doesn't mean we need to throw out all compaction-related work. Iceberg is 
smart enough to tell us what are the conflicting files/partitions.

So we can just retry committing (without the conflicting partitions) to save 
some of our work.

(This can be a future improvement).

> Optimize statement for Iceberg tables
> -------------------------------------
>
>                 Key: IMPALA-12293
>                 URL: https://issues.apache.org/jira/browse/IMPALA-12293
>             Project: IMPALA
>          Issue Type: New Feature
>          Components: Frontend
>            Reporter: Noemi Pap-Takacs
>            Assignee: Noemi Pap-Takacs
>            Priority: Major
>              Labels: impala-iceberg
>
> A simple syntax to compact small files and rewrite Iceberg tables.
>  



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