lordk911 commented on issue #6781:
URL: https://github.com/apache/kyuubi/issues/6781#issuecomment-2449251586
may be it cause by FileWriterFactory use DynamicPartitionDataSingleWriter.
It need :
records to be written are required to be sorted on partition and/or bucket
column(s) before writing.
```
/**
* Dynamic partition writer with single writer, meaning only one writer is
opened at any time for
* writing. The records to be written are required to be sorted on partition
and/or bucket
* column(s) before writing.
*/
class DynamicPartitionDataSingleWriter(
description: WriteJobDescription,
taskAttemptContext: TaskAttemptContext,
committer: FileCommitProtocol,
customMetrics: Map[String, SQLMetric] = Map.empty)
```
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