All the storage options supported by Spark are available when running on Kubernetes. You can use blob storage (S3, WASB, etc) or volumes (by k8spersistent volum

All the storage options supported by Spark are available when running on Kubernetes. You can use blob storage (S3, WASB, etc) or volumes (by k8spersistent volume claims for such as AWS EBS, GCE PD, Azure Disk, Cinder volume, etc). I’ve heard some folk use Minio or Rook