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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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