Environment Variables

Do environment variables overwrite the parameters passed to wandb.init()?

Arguments passed to wandb.init override environment variables. To respect a user-set environment variable while still pr …

How can I define the local location for `wandb` files?

You can control where wandb stores its files locally by setting the following environment variables or, where noted, by …

How do I handle the 'Failed to query for notebook' error?

If you encounter the error message “Failed to query for notebook name, you can set it manually with the WANDB_NOTEBOOK_N …

How do I silence W&B info messages?

W&B emits info-level log messages by default, which can clutter notebook output. This page describes two ways to reduce …

How do I stop wandb from writing to my terminal or my Jupyter notebook output?

Set the environment variable WANDB_SILENT to true.

How do I switch between accounts on the same machine?

To manage two W&B accounts from the same machine, store both API keys in a file outside your repository, then load the k …

How does wandb stream logs and writes to disk?

W&B queues events in memory and writes them to disk asynchronously. This approach handles failures and supports the WAND …

Is it possible to save metrics offline and sync them to W&B later?

By default, wandb.init starts a process that syncs metrics in real time to the cloud. If you need to run experiments wit …

What does wandb.init do to my training process?

When wandb.init() runs in a training script, an API call creates a run object on the W&B servers. A new process starts t …

What happens if internet connection is lost while I'm training a model?

If the library cannot connect to the internet, it enters a retry loop and continues to attempt to stream metrics until t …

Where are artifacts downloaded, and how can I control that?

By default, W&B downloads artifacts to the artifacts/ folder. To change the location: Pass the path to wandb.Artifact(). …