warmer is utility program that warms EBS drive that was restored from snapshot by reading all files in order of their physical location on EBS to maximize throughput on restore.
We recommend deploying warmer as initContainer to allow for transparent warming without need to modify your main image.
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: mongod
spec:
replicas: 1
serviceName: mongod-svc
spec:
containers:
image: mongo:3.4.15-jessie
name: mongod
volumeMounts:
- mountPath: /data
name: data
initContainers:
- command: ["/root/warmer", "/data"]
image: quay.io/wish/warmer:latest
name: warmer
volumeMounts:
- mountPath: /data
name: data
volumes:
- name: data
persistentVolumeClaim:
claimName: mongod-pvc