ClassiSage：基於 Terraform IaC 自動化 AWS SageMaker HDFS 日誌分類模型

  hyperparameters = {
        "max_depth":"5",                ## Maximum depth of a tree. Higher means more complex models but risk of overfitting.
        "eta":"0.2",                    ## Learning rate. Lower values make the learning process slower but more precise.
        "gamma":"4",                    ## Minimum loss reduction required to make a further partition on a leaf node. Controls the model’s complexity.
        "min_child_weight":"6",         ## Minimum sum of instance weight (hessian) needed in a child. Higher values prevent overfitting.
        "subsample":"0.7",              ## Fraction of training data used. Reduces overfitting by sampling part of the data. 
        "objective":"binary:logistic",  ## Specifies the learning task and corresponding objective. binary:logistic is for binary classification.
        "num_round":50                  ## Number of boosting rounds, essentially how many times the model is trained.
        }
  # A SageMaker estimator that calls the xgboost-container
  estimator = sagemaker.estimator.Estimator(image_uri=container,                  # Points to the XGBoost container we previously set up. This tells SageMaker which algorithm container to use.
                                          hyperparameters=hyperparameters,      # Passes the defined hyperparameters to the estimator. These are the settings that guide the training process.
                                          role=sagemaker.get_execution_role(),  # Specifies the IAM role that SageMaker assumes during the training job. This role allows access to AWS resources like S3.
                                          train_instance_count=1,               # Sets the number of training instances. Here, it’s using a single instance.
                                          train_instance_type='ml.m5.large',    # Specifies the type of instance to use for training. ml.m5.2xlarge is a general-purpose instance with a balance of compute, memory, and network resources.
                                          train_volume_size=5, # 5GB            # Sets the size of the storage volume attached to the training instance, in GB. Here, it’s 5 GB.
                                          output_path=output_path,              # Defines where the model artifacts and output of the training job will be saved in S3.
                                          train_use_spot_instances=True,        # Utilizes spot instances for training, which can be significantly cheaper than on-demand instances. Spot instances are spare EC2 capacity offered at a lower price.
                                          train_max_run=300,                    # Specifies the maximum runtime for the training job in seconds. Here, it's 300 seconds (5 minutes).
                                          train_max_wait=600)                   # Sets the maximum time to wait for the job to complete, including the time waiting for spot instances, in seconds. Here, it's 600 seconds (10 minutes).

  estimator.fit({'train': s3_input_train,'validation': s3_input_test})

  hyperparameters = {
        "max_depth":"5",                ## Maximum depth of a tree. Higher means more complex models but risk of overfitting.
        "eta":"0.2",                    ## Learning rate. Lower values make the learning process slower but more precise.
        "gamma":"4",                    ## Minimum loss reduction required to make a further partition on a leaf node. Controls the model’s complexity.
        "min_child_weight":"6",         ## Minimum sum of instance weight (hessian) needed in a child. Higher values prevent overfitting.
        "subsample":"0.7",              ## Fraction of training data used. Reduces overfitting by sampling part of the data. 
        "objective":"binary:logistic",  ## Specifies the learning task and corresponding objective. binary:logistic is for binary classification.
        "num_round":50                  ## Number of boosting rounds, essentially how many times the model is trained.
        }
  # A SageMaker estimator that calls the xgboost-container
  estimator = sagemaker.estimator.Estimator(image_uri=container,                  # Points to the XGBoost container we previously set up. This tells SageMaker which algorithm container to use.
                                          hyperparameters=hyperparameters,      # Passes the defined hyperparameters to the estimator. These are the settings that guide the training process.
                                          role=sagemaker.get_execution_role(),  # Specifies the IAM role that SageMaker assumes during the training job. This role allows access to AWS resources like S3.
                                          train_instance_count=1,               # Sets the number of training instances. Here, it’s using a single instance.
                                          train_instance_type='ml.m5.large',    # Specifies the type of instance to use for training. ml.m5.2xlarge is a general-purpose instance with a balance of compute, memory, and network resources.
                                          train_volume_size=5, # 5GB            # Sets the size of the storage volume attached to the training instance, in GB. Here, it’s 5 GB.
                                          output_path=output_path,              # Defines where the model artifacts and output of the training job will be saved in S3.
                                          train_use_spot_instances=True,        # Utilizes spot instances for training, which can be significantly cheaper than on-demand instances. Spot instances are spare EC2 capacity offered at a lower price.
                                          train_max_run=300,                    # Specifies the maximum runtime for the training job in seconds. Here, it's 300 seconds (5 minutes).
                                          train_max_wait=600)                   # Sets the maximum time to wait for the job to complete, including the time waiting for spot instances, in seconds. Here, it's 600 seconds (10 minutes).

  estimator.fit({'train': s3_input_train,'validation': s3_input_test})

  hyperparameters = {
        "max_depth":"5",                ## Maximum depth of a tree. Higher means more complex models but risk of overfitting.
        "eta":"0.2",                    ## Learning rate. Lower values make the learning process slower but more precise.
        "gamma":"4",                    ## Minimum loss reduction required to make a further partition on a leaf node. Controls the model’s complexity.
        "min_child_weight":"6",         ## Minimum sum of instance weight (hessian) needed in a child. Higher values prevent overfitting.
        "subsample":"0.7",              ## Fraction of training data used. Reduces overfitting by sampling part of the data. 
        "objective":"binary:logistic",  ## Specifies the learning task and corresponding objective. binary:logistic is for binary classification.
        "num_round":50                  ## Number of boosting rounds, essentially how many times the model is trained.
        }
  # A SageMaker estimator that calls the xgboost-container
  estimator = sagemaker.estimator.Estimator(image_uri=container,                  # Points to the XGBoost container we previously set up. This tells SageMaker which algorithm container to use.
                                          hyperparameters=hyperparameters,      # Passes the defined hyperparameters to the estimator. These are the settings that guide the training process.
                                          role=sagemaker.get_execution_role(),  # Specifies the IAM role that SageMaker assumes during the training job. This role allows access to AWS resources like S3.
                                          train_instance_count=1,               # Sets the number of training instances. Here, it’s using a single instance.
                                          train_instance_type='ml.m5.large',    # Specifies the type of instance to use for training. ml.m5.2xlarge is a general-purpose instance with a balance of compute, memory, and network resources.
                                          train_volume_size=5, # 5GB            # Sets the size of the storage volume attached to the training instance, in GB. Here, it’s 5 GB.
                                          output_path=output_path,              # Defines where the model artifacts and output of the training job will be saved in S3.
                                          train_use_spot_instances=True,        # Utilizes spot instances for training, which can be significantly cheaper than on-demand instances. Spot instances are spare EC2 capacity offered at a lower price.
                                          train_max_run=300,                    # Specifies the maximum runtime for the training job in seconds. Here, it's 300 seconds (5 minutes).
                                          train_max_wait=600)                   # Sets the maximum time to wait for the job to complete, including the time waiting for spot instances, in seconds. Here, it's 600 seconds (10 minutes).

  estimator.fit({'train': s3_input_train,'validation': s3_input_test})

  hyperparameters = {
        "max_depth":"5",                ## Maximum depth of a tree. Higher means more complex models but risk of overfitting.
        "eta":"0.2",                    ## Learning rate. Lower values make the learning process slower but more precise.
        "gamma":"4",                    ## Minimum loss reduction required to make a further partition on a leaf node. Controls the model’s complexity.
        "min_child_weight":"6",         ## Minimum sum of instance weight (hessian) needed in a child. Higher values prevent overfitting.
        "subsample":"0.7",              ## Fraction of training data used. Reduces overfitting by sampling part of the data. 
        "objective":"binary:logistic",  ## Specifies the learning task and corresponding objective. binary:logistic is for binary classification.
        "num_round":50                  ## Number of boosting rounds, essentially how many times the model is trained.
        }
  # A SageMaker estimator that calls the xgboost-container
  estimator = sagemaker.estimator.Estimator(image_uri=container,                  # Points to the XGBoost container we previously set up. This tells SageMaker which algorithm container to use.
                                          hyperparameters=hyperparameters,      # Passes the defined hyperparameters to the estimator. These are the settings that guide the training process.
                                          role=sagemaker.get_execution_role(),  # Specifies the IAM role that SageMaker assumes during the training job. This role allows access to AWS resources like S3.
                                          train_instance_count=1,               # Sets the number of training instances. Here, it’s using a single instance.
                                          train_instance_type='ml.m5.large',    # Specifies the type of instance to use for training. ml.m5.2xlarge is a general-purpose instance with a balance of compute, memory, and network resources.
                                          train_volume_size=5, # 5GB            # Sets the size of the storage volume attached to the training instance, in GB. Here, it’s 5 GB.
                                          output_path=output_path,              # Defines where the model artifacts and output of the training job will be saved in S3.
                                          train_use_spot_instances=True,        # Utilizes spot instances for training, which can be significantly cheaper than on-demand instances. Spot instances are spare EC2 capacity offered at a lower price.
                                          train_max_run=300,                    # Specifies the maximum runtime for the training job in seconds. Here, it's 300 seconds (5 minutes).
                                          train_max_wait=600)                   # Sets the maximum time to wait for the job to complete, including the time waiting for spot instances, in seconds. Here, it's 600 seconds (10 minutes).

  estimator.fit({'train': s3_input_train,'validation': s3_input_test})