Serverless Stream Processing With Apache Flink®
Dec 12, 2023Konstantin Knauf
Summary
This post details the serverless architecture of Confluent Cloud for Apache Flink, focusing on elastic autoscaling with scale-to-zero, evergreen runtime and APIs, and usage-based billing. It explains the use of compute pools for resource isolation and dynamic scaling, and introduces a proprietary algorithm based on the DS2 algorithm for fine-grained scaling of Flink SQL statements. The post also discusses fast rescaling techniques leveraging Flink's Adaptive Scheduler and Declarative Resource Management, and highlights cost-effectiveness through usage-based billing and compute pool pricing.
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