[SPARK-39915] Dataset.repartition(N) may not create N partitions

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.3.0
• Fix Version/s: 3.3.1, 3.4.0
• Component/s: SQL
• Assignee: XiDuo You
• Reporter: Shixiong Zhu
• Created: 28/Jul/22 22:42
• Updated: 09/Sep/22 21:44
• Resolved: 09/Sep/22 21:44

Description

Looks like there is a behavior change in Dataset.repartition in 3.3.0. For example, `spark.range(10, 0).repartition(5).rdd.getNumPartitions` returns 5 in Spark 3.2.0, but 0 in Spark 3.3.0.

Issue Links

• links to: [Github] Pull Request #37612 (ulysses-you)
• links to: [Github] Pull Request #37706 (ulysses-you)
• links to: [Github] Pull Request #37730 (ulysses-you)
• links to: [Github] Pull Request #37730 (ulysses-you)