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ProductsAWS Machine Learning BlogFrom the source· Kanwaljit Khurmi·· 2 hours agoPicks

AWS announces SOCI-indexed images for faster SageMaker AI jobs

Announcing SOCI-indexed images for faster SageMaker AI jobs

Who
Amazon Web Services
What
announced Seekable OCI indexing for Amazon SageMaker AI training and processing jobs
When

What happened

AWS announced SOCI indexing for Amazon SageMaker AI training and processing jobs across all AWS Regions, enabling container images to load lazily. In AWS benchmarks, container readiness took 3–11 seconds, and training jobs finished 1–6 minutes sooner despite a first-epoch penalty of 3–16 seconds. Users can select pre-indexed Deep Learning Containers or index custom images; lazy loading requires Amazon ECR private repositories.

Why it matters

The benchmarks distinguish image download savings from first-epoch overhead, providing a concrete basis for assessing workloads whose startup code accesses different portions of a container image.

Read next

See the full storyAWS launches SOCI indexing for faster SageMaker AI training and processing jobs

The story so far

AWS launched Seekable OCI (SOCI) indexing for Amazon SageMaker AI training and processing jobs across all AWS Regions, allowing eligible container images to load lazily instead of downloading in full before a job starts. Users can choose pre-indexed Deep Learning Containers or index their own images. Lazy loading requires images in Amazon ECR private repositories; images in other registries or accessed through a private Docker registry with TrainingRepositoryAccessMode set to Vpc are not eligible. In AWS benchmarks, containers became ready in 3–11 seconds, and training jobs finished 1–6 minutes sooner, despite the first training epoch taking an additional 3–16 seconds.

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