How can you fine-tune Adaptive Query Execution (AQE) settings in Spark to specifically address performance degradation caused by skewed data in join operations?

Real Exam

Implement a custom Spark extension to replace the AQE logic, focusing on skew detection and resolution.

3.8%

Increase spark.sql.shuffle.partitions significantly to reduce the impact of skew on join performance.

9.4%

Configure spark.sql.adaptive.skewJoin.enabled to true and adjust spark.sql.adaptive.skewJoin.skewedPartitionFactor based on the skew ratio.

84.9%

Disable AQE entirely to manually handle skewed data through custom partitioning strategies.

1.9%

Databricks Certified Data Engineer - Professional