warmer

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.

Example usage

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