I want to deploy my model as a Serverless inference

Question

Hey I trained a sickst learn model using python sdk and I want to deploy the model as a Serverless inference now. I am new to AWS and can't seem to make sense of the documentation. the model is fit it an estimator as follow:

```
from sagemaker.sklearn.estimator import SKLearn
enable_local_mode_training = False

inputs = {"train": trainpath, "test": testpath}

estimator_parameters = {
    "entry_point": "script_rf.py",
    "framework_version": "1.0-1",
    "py_version": "py3",
    "instance_type": 'ml.c5.xlarge',
    "instance_count": 1,
    "role": role,
    "base_job_name": "randomforestclassifier-model"
}

estimator = SKLearn(**estimator_parameters)
estimator.fit(inputs)

```

this works fine but now when I try to deploy it it doesn't work. I tried this code: https://aws.amazon.com/blogs/machine-learning/deploying-ml-models-using-sagemaker-serverless-inference-preview/ 
but i keep getting errors because somethings are not defined like the image_uri which I am not using.

I used this

```
m_boto3 = boto3.client('sagemaker')

estimator.latest_training_job.wait(logs='None')
artifact = m_boto3.describe_training_job(
    TrainingJobName=estimator.latest_training_job.name)['ModelArtifacts']['S3ModelArtifacts']

print('Model artifact persisted at ' + artifact)

```
but then the endpoint is not Serverless. please help

Answer

Actually creating a serverless endpoint has become much easier because you can now use the SageMaker Python SDK to so, i.e. you don't have to use boto3 anymore, you don't have to create models or endpoint configurations anymore, and you also don't have to specify the `image_uri` anymore.

Instead, once you your estimator you can just use these lines of code:

```
from sagemaker.serverless import ServerlessInferenceConfig
serverless_config = ServerlessInferenceConfig()

serverless_config = ServerlessInferenceConfig(
  memory_size_in_mb=4096,
  max_concurrency=10,
)

serverless_predictor = estimator.deploy(serverless_inference_config=serverless_config)
```

See also the documentation: [https://sagemaker.readthedocs.io/en/stable/overview.html#sagemaker-serverless-inference](https://sagemaker.readthedocs.io/en/stable/overview.html#sagemaker-serverless-inference)

Answer

To deploy a serverless endpoint on Amazon SageMaker you will need 3 steps:

**(1) Model creation**

Where you create the model with `client.create_model`

**(2) Endpoint configuration creation**

Where you create a configuration file with `client.create_endpoint_config`, and make sure you have a **serverless configuration** with two parameters: `MemorySizeInMB`, and `MaxConcurrency` within the config, which should look like

```
"ServerlessConfig": {
        "MemorySizeInMB": 4096,
        "MaxConcurrency": 1,
},
```

**(3) Endpoint creation and invocation**

Once you have created a model, with endpoint configuration with serverless endpoint detail, then you can run `client.create_endpoint` to create a serverless endpoint.

Reference: [Deploying ML models using SageMaker Serverless Inference](https://aws.amazon.com/blogs/machine-learning/deploying-ml-models-using-sagemaker-serverless-inference-preview/)

I want to deploy my model as a Serverless inference

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