(Object storage is all at the same level: There are no folders or sub-directories like there are for file storage.) As object storage, it uses a flat structure with metadata and a unique identifier for each object to make them easier to find among trillions of others.įile storage by contrast organises files into hierarchies with directories and folders, using strict file protocols. To recap a little: S3 (Simple Storage Service) is an object storage service that is home to over 280 trillion objects from customers in every conceivable industry vertical and geography. S3 file client Mountpoint: Burst to terabits per second Mountpoint's developer team said the were releasing it because “many data lake customers use more domain-specific tools that don’t natively support S3’s object APIs and instead expect inputs and outputs to be files in a local file system," giving the example of genomics research tools that read sequencing data from a file system, or machine learning training pipelines that store checkpoints (snapshots or dumps of your model) on the local file system. “A lot of people will be inappropriately, but deliriously, happy about this”, added AWS’s head of developer relations for high-performance computing, Brendan Bouffler. That “easy” is Amazon’s term and in quotation marks because AWS admits openly that Mountpoint, which is written in Rust, doesn’t support writes yet and in the future “will only support sequential writes to new objects… not yet ready for use in production workloads, but we’d love for you to kick the tires and let us know what you think” its developers said. Mountpoint runs on your compute node of choice (perhaps unsurprisingly, Amazon gives the examples of an EC2 instance or Amazon EKS pod) and mounts an S3 bucket to a directory on your local file system. Amazon has open-sourced a new file client for S3 called Mountpoint for Amazon S3 that makes it “easy” for Linux-based applications to connect directly to Amazon S3 buckets and access objects using file APIs – not something that has always been easy or indeed possible for Linux-based large-scale analytics applications.
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