seniorApache Spark
Spark on Kubernetes: Architecture and Tuning.
Updated May 5, 2026
Short answer
Running Spark on K8s uses the Kubernetes API to dynamically spin up executor pods.
Deep explanation
Spark driver acts as a K8s controller. It requests pods from the K8s API server. Unlike YARN, each executor is a pod. This requires careful pod affinity and volume mount tuning.
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