Why it matters

K8s is modern Spark deployment. Understanding shapes cloud-native data pipelines.

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The architecture

spark-submit --master k8s://...

Driver launches; requests executor pods.

Spark on K8sspark-submitto K8s masterDriver podcoordinatesExecutor podsrun tasksSpark Operator (Kubeflow) provides CRD-based deployment
K8s deployment.
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How it works end to end

Spark Operator: CRD-based deployment (SparkApplication).

Dynamic allocation: supported.

Volumes: PersistentVolumeClaim for shuffle.

Container image: Spark distribution + dependencies.