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Posted to commits@hudi.apache.org by "Chao Wang (Jira)" <ji...@apache.org> on 2024/11/14 02:36:00 UTC

[jira] [Commented] (HUDI-4705) Support Write-on-compaction mode when query cdc on MOR tables

    [ https://issues.apache.org/jira/browse/HUDI-4705?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17898112#comment-17898112 ] 

Chao Wang commented on HUDI-4705:
---------------------------------

hi， flink write cdc for MOR , which is not support ?

> Support Write-on-compaction mode when query cdc on MOR tables
> -------------------------------------------------------------
>
>                 Key: HUDI-4705
>                 URL: https://issues.apache.org/jira/browse/HUDI-4705
>             Project: Apache Hudi
>          Issue Type: New Feature
>          Components: compaction, spark, table-service
>            Reporter: Yann Byron
>            Priority: Major
>
> For the case that query cdc on MOR tables, the initial implementation use the `Write-on-indexing`  way to extract the cdc data by merging the base file and log files in-flight.
> This ticket wants to support the `Write-on-compaction` way to get the cdc data just by reading the persisted cdc files which are written at the compaction operation.



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