zhengruifeng commented on code in PR #47411: URL: https://github.com/apache/spark/pull/47411#discussion_r1683948173
########## python/pyspark/ml/util.py: ########## @@ -464,7 +464,10 @@ def saveMetadata( metadataJson = DefaultParamsWriter._get_metadata_to_save( instance, sc, extraMetadata, paramMap ) - sc.parallelize([metadataJson], 1).saveAsTextFile(metadataPath) + spark = SparkSession.getActiveSession() + spark.createDataFrame([(metadataJson,)], schema=["value"]).repartition(1).write.text( Review Comment: I just checked that pyspark classic (which is built atop `LogicalRDD`) need repartition to make sure single partition; while pyspark connect doesn't need this, since it uses `LocalRelation`. Probably we can use `coalesce(1)` instead. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org