apiVersion: kubeflow.org/v1alpha2
kind: MPIJob
metadata:
  name: tensorflow-mnist
spec:
  slotsPerWorker: 1
  runPolicy:
    cleanPodPolicy: Running
  mpiReplicaSpecs:
    Launcher:
      replicas: 1
      template:
        spec:
          containers:
          - image: docker.io/kubeflow/mpi-horovod-mnist
            name: mpi-launcher
            command:
            - mpirun
            args:
            - -np
            - "2"
            - --allow-run-as-root
            - -bind-to
            - none
            - -map-by
            - slot
            - -x
            - LD_LIBRARY_PATH
            - -x
            - PATH
            - -mca
            - pml
            - ob1
            - -mca
            - btl
            - ^openib
            - python
            - /examples/tensorflow_mnist.py
            resources:
              limits:
                cpu: 1
                memory: 2Gi
    Worker:
      replicas: 2
      template:
        spec:
          containers:
          - image: docker.io/kubeflow/mpi-horovod-mnist
            name: mpi-worker
            resources:
              limits:
                cpu: 2
                memory: 4Gi