Databricks — Spark Structured Streaming for Sub-Second Attribution (2025)
Databricks' 2025 Spark Structured Streaming Real-Time Mode enables sub-second ad attribution, potentially eliminating the need for a separate Flink cluster.
Scale
Sub-second latency for ad attribution workloads — announced summer 2025
Before
Separate Flink cluster required for sub-second streaming; batch and streaming required two different systems
After
Spark Structured Streaming Real-Time Mode: unified stack for batch + streaming + governance without a separate Flink cluster
Key Insight
If Spark Structured Streaming Real-Time Mode proves out at scale, it collapses the Spark vs Flink decision for many customers — and it's a direct play into Snowflake's adjacency.
In a Snowflake Conversation
Watch this space — if Spark Structured Streaming Real-Time Mode proves out at scale, it collapses the Spark vs Flink decision for many customers.
My Read
Practitioner commentary coming soon.
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