Longhorn Performance Benchmark Testing

dbench-hostpath.yaml

apiVersion: batch/v1
kind: Job
metadata:
  name: dbench-hostpath
spec:
  template:
    spec:
      containers:
      - name: dbench
        image: logdna/dbench:latest
        env:
          - name: DBENCH_MOUNTPOINT
            value: /data
          - name: FIO_SIZE
            value: 2G
          - name: FIO_OFFSET_INCREMENT
            value: 256M
        volumeMounts:
        - name: dbench-pv
          mountPath: /data
      restartPolicy: Never
      volumes:
      - name: dbench-pv
        hostPath:
          path: /mnt/data

dbench-longhorn-1-replica.yaml

kind: StorageClass
apiVersion: storage.k8s.io/v1
metadata:
  name: longhorn-1-replica
provisioner: driver.longhorn.io
allowVolumeExpansion: true
parameters:
  numberOfReplicas: "1"
  diskSelector: "benchmark"
  nodeSelector: "benchmark"
---
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: pvc-longhorn-1-replica
spec:
  storageClassName: longhorn-1-replica
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 10Gi
---
apiVersion: batch/v1
kind: Job
metadata:
  name: dbench
spec:
  template:
    spec:
      containers:
      - name: dbench
        image: logdna/dbench:latest
        env:
          - name: DBENCH_MOUNTPOINT
            value: /data
          - name: FIO_SIZE
            value: 2G
          - name: FIO_OFFSET_INCREMENT
            value: 256M
        volumeMounts:
        - name: dbench-pv
          mountPath: /data
      restartPolicy: Never
      volumes:
      - name: dbench-pv
        persistentVolumeClaim:
          claimName: pvc-longhorn-1-replica

dbench-longhorn-3-replica.yaml

kind: StorageClass
apiVersion: storage.k8s.io/v1
metadata:
  name: longhorn-3-replica
provisioner: driver.longhorn.io
allowVolumeExpansion: true
parameters:
  numberOfReplicas: "3"
  diskSelector: "benchmark"
  nodeSelector: "benchmark"
---
--
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: pvc-longhorn-3-replica
spec:
  storageClassName: longhorn-3-replica
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 10Gi
---
apiVersion: batch/v1
kind: Job
metadata:
  name: dbench
spec:
  template:
    spec:
      containers:
      - name: dbench
        image: logdna/dbench:latest
        env:
          - name: DBENCH_MOUNTPOINT
            value: /data
          - name: FIO_SIZE
            value: 2G
          - name: FIO_OFFSET_INCREMENT
            value: 256M
        volumeMounts:
        - name: dbench-pv
          mountPath: /data
      restartPolicy: Never
      volumes:
      - name: dbench-pv
        persistentVolumeClaim:
          claimName: pvc-longhorn-3-replica