test-workload.yaml

apiVersion: migration.io/v1alpha1
kind: MigratableApp
metadata:
  name: memory-writer
spec:
  template:
    metadata:
      labels:
        app: memory-writer
    spec:
      shareProcessNamespace: true
      containers:
      - name: app
        image: python:3.9-slim
        command: ["python3", "-c"]
        args:
        - |
          import ctypes, time, os
          print(f"PID: {os.getpid()}", flush=True)
          buf = ctypes.create_string_buffer(8 * 1024 * 1024)
          i = 0
          while True:
              ctypes.memset(buf, i % 256, len(buf))
              i += 1
              time.sleep(0.5)
              if i % 10 == 0:
                  print(f"Write cycle {i}", flush=True)
  checkpointPolicy:
    interval: "120s"
  storage:
    type: s3
    bucket: test-bucket
    region: us-east-1
    credentialsSecret: s3-credentials