> For the complete documentation index, see [llms.txt](https://bus.node-ts.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bus.node-ts.com/guide/persistence.md).

# Persistence

By default **@node-ts/bus-core** uses an in-memory persistence to store the state of workflows. This is intended for development only and a durable persistence should be used in all other situations. If you are not using workflows in your service, then you do not need to configure a persistence.