Intro to ops and jobs#

Dagster's asset functionality sits on top of a general orchestration engine that can be used for tasks other than creating and maintaining assets.

By the end of this tutorial, you will:

• Write and execute a job with a single op
• Connect multiple ops in a job
• Learn to test ops and jobs

Prerequisites#

To complete this tutorial, you'll need to install Dagster, the Dagster webserver/UI, and the requests library:

pip install dagster dagster-webserver

This installs a few packages:

• dagster. The core programming model and abstraction stack; stateless, single-node, single-process and multi-process execution engines; and a CLI tool for driving those engines. Refer to the Dagster installation guide for more info, including how to ensure your environment is set up correctly.
• dagster-webserver: The server for Dagster's browser UI for developing and operating Dagster jobs, including a DAG browser, a type-aware config editor, and a live execution interface.

Ready to get started?#

When you've fulfilled all the prerequisites for the tutorial, you can get started creating your first op job.