I am using SageMaker for distributed TensorFlow model training and serving. I am trying to get the shape of the pre-processed datasets from the ScriptProcessor so I can provide it to the TensorFlow Environment.

script_processor = ScriptProcessor(command=['python3'],
                image_uri=preprocess_img_uri,
                role=role,
                instance_count=1,
                sagemaker_session=sm_session,
                instance_type=preprocess_instance_type)

script_processor.run(code=preprocess_script_uri,
                inputs=[ProcessingInput(
                        source=source_dir   username   '/'   dataset_name,
                        destination='/opt/ml/processing/input')],
                outputs=[
                        ProcessingOutput(output_name="train_data", source="/opt/ml/processing/train"),
                        ProcessingOutput(output_name="test_data", source="/opt/ml/processing/test")
                ],

                arguments = ['--filepath', dataset_name, '--labels', 'labels', '--test_size', '0.2', '--shuffle', 'False', '--lookback', '5',])

preprocessing_job_description = script_processor.jobs[-1].describe()

output_config = preprocessing_job_description["ProcessingOutputConfig"]
for output in output_config["Outputs"]:
    if output["OutputName"] == "train_data":
        preprocessed_training_data = output["S3Output"]["S3Uri"]
    if output["OutputName"] == "test_data":
        preprocessed_test_data = output["S3Output"]["S3Uri"]

I would like to get the following data:

pre_processed_train_data_shape = script_processor.train_data_shape?

I am just not sure how to get the value out of the docker container. I have reviewed the documentation here:https://sagemaker.readthedocs.io/en/stable/api/training/processing.html

CodePudding user response：

There are a couple of options:

1. Write some data to a plain text file at /opt/ml/output/message , then call DescribeProcessingJob (using Boto3 or the AWS CLI or API) and retrieve the ExitMessage value

2. Add a new output to your processing job and send data there

3. If your train_data is in CSV, JSON, or Parquet then use AWS Data Wrangler S3 select_query to query train_data for it's # or rows/columsn