- [readiness probes](https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-probes/)
- [replica count](https://kubernetes.io/docs/concepts/workloads/controllers/deployment/)
- [HorizontalPodAutoscaler](https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/)

      CreateContext(serialized_server_def_1,
                    /*isolate_session_state=*/false, init_timeout_in_ms);

  // Remote device on `worker2`.
  const char remote_device[] = "/job:localhost/replica:0/task:2/device:CPU:0";
  // `ctx_0`, `ctx_1` contains `remote_device`.
  {
    const std::vector<std::string>& device_names = ListDeviceNames(ctx_0);
    ASSERT_TRUE(std::find(device_names.begin(), device_names.end(),

	// Save the final object size and modtime.
	fi.Size = objectSize
	fi.ModTime = opts.MTime
	if opts.MTime.IsZero() {
		fi.ModTime = UTCNow()
	}

	// Save successfully calculated md5sum.
	// for replica, newMultipartUpload would have already sent the replication ETag
	if fi.Metadata["etag"] == "" {
		if opts.UserDefined["etag"] != "" {
			fi.Metadata["etag"] = opts.UserDefined["etag"]

  }
  auto* config = server_def.mutable_default_session_config();
  config->mutable_experimental()->set_collective_group_leader(
      tensorflow::strings::StrCat("/job:", job_name, "/replica:0/task:", 0));
  auto* rewrite_options =
      config->mutable_graph_options()->mutable_rewrite_options();
  rewrite_options->set_scoped_allocator_optimization(
      tensorflow::RewriterConfig::ON);

                              const char* prefix, TF_Status* status) {
  std::vector<std::unique_ptr<tensorflow::Device>> devices;

  if (prefix == nullptr || strlen(prefix) == 0)
    prefix = "/job:localhost/replica:0/task:0";

  tensorflow::SessionOptions sess_options;
  (*sess_options.config.mutable_device_count())["CPU"] = num_cpus;
  status->status =
      tensorflow::DeviceFactory::AddCpuDevices(sess_options, prefix, &devices);

			tgtSizeS.replicatedCount++
			sizeS.replicatedSize += oi.Size
			sizeS.replicatedCount++
		}
		sizeS.replTargetStats[arn] = tgtSizeS
	}

	if oi.ReplicationStatus == replication.Replica {
		sizeS.replicaSize += oi.Size
		sizeS.replicaCount++
	}
}

type dynamicSleeper struct {
	mu sync.RWMutex

	// Sleep factor
	factor float64

	// maximum sleep cap,

    return nullptr;
  }
  std::vector<std::unique_ptr<tensorflow::Device>> devices;
  status->status = tensorflow::DeviceFactory::AddDevices(
      opts->session_options.options, "/job:localhost/replica:0/task:0",
      &devices);
  if (!status->status.ok()) return nullptr;
  std::unique_ptr<tensorflow::DeviceMgr> device_mgr(
      new tensorflow::DynamicDeviceMgr(std::move(devices)));

{{- if eq .Values.mode "distributed" }}
{{ $poolCount := .Values.pools | int }}
{{ $nodeCount := .Values.replicas | int }}
{{ $replicas := mul $poolCount $nodeCount }}
{{ $drivesPerNode := .Values.drivesPerNode | int }}
{{ $scheme := .Values.tls.enabled | ternary "https" "http" }}
{{ $mountPath := .Values.mountPath }}
{{ $bucketRoot := or ($.Values.bucketRoot) ($.Values.mountPath) }}
{{ $subPath := .Values.persistence.subPath }}

message ScaleSpec {
  // replicas is the desired number of instances for the scaled object.
  // +optional
  optional int32 replicas = 1;
}

// ScaleStatus represents the current status of a scale subresource.
message ScaleStatus {
  // replicas is the actual number of observed instances of the scaled object.
  optional int32 replicas = 1;

  labels:
    app.kubernetes.io/name: helloworld
    app.kubernetes.io/version: v1
spec:
  replicas: 1
`
	validIstioCanonical = `
apiVersion: v1
kind: Deployment
metadata:
  name: helloworld-v1
  labels:
    service.istio.io/canonical-name: helloworld
    service.istio.io/canonical-revision: v1
spec:
  replicas: 1
`
)

func fromYAML(in string) *unstructured.Unstructured {