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Deminstified Sagemaker Processing Job with Spark

Prerequisites

1. Generate syntetic data

python utils/syntetic_data_energy.py

python utils/syntetic_data_weather.py

2. Upload data in your bucket

aws s3 sync ./data/output/ s3://<BUCKET_NAME>/electricity-forecasting/data/input/

HDFSManager

This example is providing an utility class HDFSManager for managing data from and to HDFS.

Copy files from local file system to HDFS

hdfs_manager.copy_full_to_hdfs(<LOCAL_PATH>)

Copy files from HDFS to local file system

hdfs_manager.copy_from_hdfs(<LOCAL_FILE_SYSTEM>, <HDFS_FILE_NAME>)

Read file from HDFS into a Spark DataFrame

df = hdfs_manager.load_df(<SPARK_CONTEXT>, <FILE_NAME>)

Save Spark DataFrame to HDFS

hdfs_manager.save_df(df, <FILE_NAME>)

Build Docker Image

Create ECR Repository

aws ecr create-repository --repository-name <REPOSITORY_NAME>
  • REPOSITORY_NAME: ECR Repository name

Example:

aws ecr create-repository --repository-name sagemaker-spark-custom-container

Login to Spark Image repository

aws ecr get-login-password --region <REGION> | docker login --username AWS --password-stdin <SPARK_IMAGE_URI>
  • REGION: AWS Region
  • SPARK_IMAGE_URI: Public ECR URI for the Spark image

Please refer to the official AWS GitHub repository

Example:

aws ecr get-login-password --region eu-west-1 | docker login --username AWS --password-stdin  571004829621.dkr.ecr.eu-west-1.amazonaws.com/sagemaker-spark-processing:3.3-cpu-py39-v1.2

Build custom image

docker build -t <ACCOUNT_ID>.dkr.ecr.<REGION>.amazonaws.com/${REPOSITORY_NAME}:${IMAGE_TAG} -f Dockerfile .

Example:

docker build -t <ACCOUNT_ID>.dkr.ecr.<REGION>.amazonaws.com/sagemaker-spark-custom-container:latest -f Dockerfile .
  • ACCOUNT_ID: AWS Account ID
  • REGION: AWS Region
  • REPOSITORY_NAME: ECR Repository name
  • IMAGE_TAG: Tag associated to the image

Push Image to ECR

aws ecr get-login-password --region <REGION> | docker login --username AWS --password-stdin <ACCOUNT_ID>.dkr.ecr.<REGION>.amazonaws.com/${REPOSITORY_NAME}:${IMAGE_TAG} | docker push <ACCOUNT_ID>.dkr.ecr.<REGION>.amazonaws.com/${REPOSITORY_NAME}:${IMAGE_TAG}

docker push <ACCOUNT_ID>.dkr.ecr.<REGION>.amazonaws.com/${REPOSITORY_NAME}:${IMAGE_TAG}
  • ACCOUNT_ID: AWS Account ID
  • REGION: AWS Region
  • REPOSITORY_NAME: ECR Repository name
  • IMAGE_TAG: Tag associated to the image

Example:

aws ecr get-login-password --region <REGION> | docker login --username AWS --password-stdin <ACCOUNT_ID>.dkr.ecr.<REGION>.amazonaws.com/sagemaker-spark-custom-container:latest

docker push <ACCOUNT_ID>.dkr.ecr.<REGION>.amazonaws.com/sagemaker-spark-custom-container:latest