| stage | Systems |
|---|---|
| group | Distribution |
| info | To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/product/ux/technical-writing/#assignments |
Action Cable is a Rails engine that handles websocket connections.
Action Cable uses a separate thread pool per Puma worker. The number of threads can be configured
using the actioncable['worker_pool_size'] option.