Hands-On Stateful Serverless Applications with K8s and Stateful Functions
Talkat KubeCon + CloudNativeCon North America 2020 Virtual · on Wednesday, 2020-11-18· at 15:50· Intrado Virtual Event Platform,·
summary
Stateful Functions (Apache Flink) provides a replacement for a separate database by routing messages through the Flink cluster and offering exactly-once semantics, language-neutral functions over HTTP/gRPC, and SDKs (Python, Go, Rust). The demo builds a Python greeter and a fraud-detection workflow that uses delayed self-messages for 30-day rolling counters, queries model-serving via Kafka, and runs on K8s with a Flink cluster and MinIO snapshots, processing about 200,000 messages and 7 GB state with working checkpoints.
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chapters (11)
- 0:00Start
- 0:05Thank You to Our Session Recording Sponsor
- 0:38What is Stateful Serverless • Serverless architectures are an application of modern infrastructure capabilities
- 2:12When the application handles messaging
- 3:36What if the state layer handles messaging and consistency?
- 4:32Apache Flink Stateful Functions
- 5:39What is Stateful Functions?
- 10:12Types in Remote Functions
- 11:56Python SDK: Stateful Functions
- 14:13Python SDK: Persisted State
- 15:28Python SDK: Exposing Functions
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