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Product launchData engineering & the warehouse/lakehouseDatabricks
Databricks Blog · Read source ↗

Databricks has introduced on-demand state repartitioning for Apache Spark™ Structured Streaming, aiming to optimize state management in streaming queries. This feature allows users to adjust state partitions without downtime, potentially improving performance and resource utilization.

MyDataWork POV — The promise of on-demand state repartitioning for Apache Spark™ Structured Streaming feels premature. While the flexibility to adjust state partitions without downtime is alluring, the real-world complexity of streaming data isn't addressed. This feature assumes a level of predictability in streaming workloads that often doesn't exist, leaving substantial questions about its reliability in unpredictable environments. Until proven in diverse, high-pressure scenarios, it's more a theoretical exercise than a practical breakthrough.
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