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https://issues.apache.org/jira/browse/HUDI-5321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Vexler closed HUDI-5321.
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Resolution: Fixed
> Fix Bulk Insert ColumnSortPartitioners
> --------------------------------------
>
> Key: HUDI-5321
> URL: https://issues.apache.org/jira/browse/HUDI-5321
> Project: Apache Hudi
> Issue Type: Bug
> Affects Versions: 0.12.1
> Reporter: Alexey Kudinkin
> Assignee: Jonathan Vexler
> Priority: Critical
> Labels: pull-request-available
> Fix For: 0.14.0
>
>
> Currently, all of the Custom Bulk Insert ColumnSortPartitioner impls
> incorrectly return "true" from the "arePartitionRecordsSorted" method, even
> though records might not necessarily be sorted by the partition-path columns
> as is required by this method.
> In case when such Partitioner is used and the data is NOT sorted by the list
> of columns that start w/ partition ones, this could lead to a Parquet writers
> being closed prematurely when writing files creating a LOT of small files.
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