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Paperspace's Gradient° offering includes three types of storage that are available within the context of running a job or notebook container. Each kind has a different purpose. The three storage types are Workspace, Artifact, and Persistent storage.
The Workspace storage is typically imported from the local directory in which you started your job. The contents of that directory are zipped up and uploaded to the container in which your job runs. The files are copies of the files on your local machine.
The Workspace exists for the duration of the job run. This directory is the current working directory in which your job is started, and is located at /home/paperspace if you need to reference the absolute path. If you need to push code up to Paperspace and run it, using the Workspace storage is the way to do it.
Artifact storage is collected and made available after the job run. You can find the Artifacts in the Paperspace console by going to the Gradient° Job Runner, clicking on the job run, and scrolling to the bottom of the output. From there you can download any files that your job has placed in the /artifacts directory. If you need to get result data from a job run out of Paperspace, use the Artifacts directory.
The total of Workspace storage and Artifact storage cannot exceed the available storage on the host machine (about 2 Terabytes). If you think you will write enough files to fill this up, be sure to check for errors from the OS.
Persistent storage is a separate area where you can read and write files during a Job. You can also read and write data from your Workspace, but as the name indicates, persistent storage persists across job runs. Learn more about persistent storage here.