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https://issues.apache.org/jira/browse/HUDI-3644?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HUDI-3644:
---------------------------------
    Labels: pull-request-available  (was: )

> hoodie log scan bug cause data duplication
> ------------------------------------------
>
>                 Key: HUDI-3644
>                 URL: https://issues.apache.org/jira/browse/HUDI-3644
>             Project: Apache Hudi
>          Issue Type: Bug
>            Reporter: hd zhou
>            Priority: Major
>              Labels: pull-request-available
>
> AbstractHoodieLogRecordReader 
>  
> {code:java}
> //代码占位符
> if (!completedInstantsTimeline.containsOrBeforeTimelineStarts(instantTime)
>     || inflightInstantsTimeline.containsInstant(instantTime)) {
>   // hit an uncommitted block possibly from a failed write, move to the next 
> one and skip processing this one
>   continue;
> } {code}
>  
> completedInstantsTimeline.containsOrBeforeTimelineStarts(instantTime)  is 
> true will merge log file. this is not good.
>  
> when log file block append sucess.  And deltacommit rollback. And this 
> instance time is not before activeTimeline starts. This log file block will 
> be merged, cause data duplication.
>  
>  



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