# What Is Amazon SageMaker?

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This page was generated from content adapted from the [AWS Developer Guide](https://github.com/awsdocs/amazon-sagemaker-developer-guide.git)
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## Model Training

* **Important**\
  To prevent your algorithm container from contending for memory, we reserve memory for our SageMaker critical system processes on your ML compute instances and therefore you cannot expect to see all the memory for your instance type.