title: Alluxio on Kubernetes, UFS mount vs persistence volume claims
body: <p>While deploying Alluxio on kubernetes/eks cluster, we are configuring UFS as s3 storage and also master and worker pods bound with persistence volume claims, Im curious to know the roles of these two storage configuration. where my actual cache data will be stored? in UFS (s3) or on persistence volume claims(my efs)? why both are required?</p>