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You can configure rate limits on your W&B Self-Managed instance to maintain stability and prevent one user or workload from negatively impacting others. These limits are optional. If you do not set them, the instance does not enforce the limits described below.

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Default limits and notification

The following default limits help maintain platform stability:
LimitDefaultScope
Filestream requests per second500Project
Filestream ingestion per second120 MBProject
Filestream requests per second2Run
Run creation requests per second80Project
When a limit is exceeded, the W&B SDK returns HTTP response 429, and the message HTTP 429: rate limited exceeded appears in the SDK logs.
  • Filesystem rate limits never cause logging to crash or fail. When the SDK receives a 429 response on a filestream request, it will back off and retry the rate-limited request as-is, while subsequent updates accumulate.
  • Run creation rate limits block further training. 
HTTP 429: rate limit exceeded
These defaults are recommended for typical production workloads. If your workloads consistently exceed these limits, you can configure these limits (or leave them unset) according to your instance size and shared usage. For configuration details, refer to Deploy W&B with Kubernetes Operator or contact W&B support.