Optimizing SparkSQL: ByteDance EMR’s Data Lake Integration and Multi‑Tenant Server
ByteDance’s EMR team details how they integrated data‑lake engines such as Hudi and Iceberg into SparkSQL, streamlined jar management, built a custom Spark SQL Server with Hive compatibility, multi‑tenant support, engine pre‑warming, and transaction capabilities, dramatically improving performance and resource efficiency for enterprise workloads.
