Why Kubernetes Persistent Volume Claims Are a Performance Trap

from DevOps Daily with Fexingo: CI/CD, Kubernetes, and Modern Software Operations · host Fexingo

Episode 27 of DevOps Daily with Fexingo: Lucas and Luna dive into a silent performance killer in Kubernetes clusters—how Persistent Volume Claims with default storage classes can cause latency spikes and throughput bottlenecks. Using a real-world case from a fintech startup running Cassandra on AWS EBS gp2 volumes, Lucas explains why their 99th percentile read latency jumped from 5ms to 120ms under moderate load. The episode covers storage class tuning, volume binding modes, and why your CSI driver configuration matters more than you think. No fluff—just actionable insights for DevOps engineers managing stateful workloads in production. #Kubernetes #PersistentVolumeClaims #StorageClass #Performance #DevOps #StatefulWorkloads #Cassandra #AWSEBS #CSI #Latency #Throughput #Fintech #Infrastructure #Technology #CloudNative #FexingoBusiness #BusinessPodcast #DevOpsDaily Keep every episode free: buymeacoffee.com/fexingo

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This episode is 9 minutes long.

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This episode was published on June 2, 2026.

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