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fix: MLFlow E2E Example Notebook (5513) #32

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2 changes: 1 addition & 1 deletion v3-examples/inference-examples/train-inference-e2e-example.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,7 @@
"TRAINING_JOB_PREFIX = \"e2e-v3-pytorch\"\n",
"\n",
"# AWS Configuration\n",
"AWS_REGION = Session.boto_region_name\n",
"AWS_REGION = Session().boto_region_name\n",
"PYTORCH_TRAINING_IMAGE = f\"763104351884.dkr.ecr.{AWS_REGION}.amazonaws.com/pytorch-training:1.13.1-cpu-py39\"\n",
"\n",
"# Generate unique identifiers\n",
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71 changes: 53 additions & 18 deletions v3-examples/ml-ops-examples/v3-mlflow-train-inference-e2e-example.ipynb
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Expand Up @@ -71,7 +71,7 @@
"MLFLOW_TRACKING_ARN = \"XXXXX\"\n",
"\n",
"# AWS Configuration\n",
"AWS_REGION = Session.boto_region_name\n",
"AWS_REGION = Session().boto_region_name\n",
"\n",
"# Get PyTorch training image dynamically\n",
"PYTORCH_TRAINING_IMAGE = image_uris.retrieve(\n",
Expand Down Expand Up @@ -330,25 +330,33 @@
"outputs": [],
"source": [
"# Get the latest version of the registered model\n",
"# NOTE: MLflow 3.x removed `registered_model.latest_versions`. Use\n",
"# `client.search_model_versions()` instead.\n",
"from mlflow import MlflowClient\n",
"\n",
"client = MlflowClient()\n",
"registered_model = client.get_registered_model(name=MLFLOW_REGISTERED_MODEL_NAME)\n",
"\n",
"latest_version = registered_model.latest_versions[0]\n",
"# Search for the latest version of the registered model (MLflow 3.x compatible)\n",
"versions = client.search_model_versions(\n",
" filter_string=f\"name='{MLFLOW_REGISTERED_MODEL_NAME}'\",\n",
" order_by=['version_number DESC'],\n",
" max_results=1\n",
")\n",
"\n",
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@mufaddal-rohawala mufaddal-rohawala Mar 30, 2026

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Minor: The order_by parameter value 'version_number DESC' should be verified against the MLflow 3.x API. The documented field name for search_model_versions ordering is typically 'version_number', but some MLflow versions use 'creation_timestamp'. Please confirm this works with the MLflow version pinned in the notebook's dependencies to avoid a runtime error for users.

"if not versions:\n",
" raise ValueError(f\"No versions found for model '{MLFLOW_REGISTERED_MODEL_NAME}'\")\n",
"\n",
"latest_version = versions[0]\n",
"model_version = latest_version.version\n",
"model_source = latest_version.source\n",
"\n",
"# Get S3 URL of model files (for info only)\n",
"artifact_uri = client.get_model_version_download_uri(MLFLOW_REGISTERED_MODEL_NAME, model_version)\n",
"\n",
"# MLflow model registry path to use with ModelBuilder\n",
"mlflow_model_path = f\"models:/{MLFLOW_REGISTERED_MODEL_NAME}/{model_version}\"\n",
"\n",
"print(f\"Registered Model: {MLFLOW_REGISTERED_MODEL_NAME}\")\n",
"print(f\"Latest Version: {model_version}\")\n",
"print(f\"Source: {model_source}\")\n",
"print(f\"Model artifacts location: {artifact_uri}\")"
"print(f\"Source (artifact location): {model_source}\")\n",
"print(f\"MLflow model path for deployment: {mlflow_model_path}\")"
]
},
{
Expand Down Expand Up @@ -427,6 +435,8 @@
"from sagemaker.serve.mode.function_pointers import Mode\n",
"\n",
"# Cloud deployment to SageMaker endpoint\n",
"# Note: 'dependencies' parameter is deprecated. You may see a deprecation warning.\n",
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@mufaddal-rohawala mufaddal-rohawala Mar 30, 2026

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The comment says "Use configure_for_torchserve() for new projects" — is this an actual method available in the current SDK? If not, this could confuse users. Please verify the method name or remove the suggestion if it doesn't exist yet.

"# Use configure_for_torchserve() for new projects.\n",
"model_builder = ModelBuilder(\n",
" mode=Mode.SAGEMAKER_ENDPOINT,\n",
" schema_builder=schema_builder,\n",
Expand Down Expand Up @@ -481,23 +491,43 @@
"metadata": {},
"outputs": [],
"source": [
"import boto3\n",
"\n",
"# Test with JSON input\n",
"# Test with JSON input using V3-native endpoint invocation\n",
"test_data = [[0.1, 0.2, 0.3, 0.4]]\n",
"\n",
"runtime_client = boto3.client('sagemaker-runtime')\n",
"response = runtime_client.invoke_endpoint(\n",
" EndpointName=core_endpoint.endpoint_name,\n",
" Body=json.dumps(test_data),\n",
" ContentType='application/json'\n",
"result = core_endpoint.invoke(\n",
" body=json.dumps(test_data),\n",
" content_type='application/json'\n",
")\n",
"\n",
"prediction = json.loads(response['Body'].read().decode('utf-8'))\n",
"prediction = json.loads(result.body.read().decode('utf-8'))\n",
"print(f\"Input: {test_data}\")\n",
"print(f\"Prediction: {prediction}\")"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"# Test with multiple inputs\n",
"test_inputs = [\n",
" [[0.5, 0.3, 0.2, 0.1]],\n",
" [[0.9, 0.1, 0.8, 0.2]],\n",
" [[0.2, 0.7, 0.4, 0.6]]\n",
"]\n",
"\n",
"for i, test_input in enumerate(test_inputs, 1):\n",
" result = core_endpoint.invoke(\n",
" body=json.dumps(test_input),\n",
" content_type='application/json'\n",
" )\n",
" \n",
" prediction = json.loads(result.body.read().decode('utf-8'))\n",
" print(f\"Test {i} - Input {test_input}: {prediction}\")\n",
" print('-' * 50)"
]
},
{
"cell_type": "markdown",
"metadata": {},
Expand Down Expand Up @@ -551,7 +581,12 @@
"- `ModelBuilder` with `MLFLOW_MODEL_PATH` - deploy from registry\n",
"\n",
"Key patterns:\n",
"- Custom `PayloadTranslator` classes for PyTorch tensor serialization\n"
"- Custom `PayloadTranslator` classes for PyTorch tensor serialization\n",
"- V3-native `core_endpoint.invoke()` for inference\n",
"\n",
"**MLflow 3.x API Note:**\n",
"- Use `client.search_model_versions()` instead of the removed `registered_model.latest_versions` attribute\n",
"- Use `latest_version.source` for artifact location instead of `client.get_model_version_download_uri()`\n"
]
}
],
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