Hello, it's me again - Duc Nguyen (Duke)
In the previous part, we talked about theconcept, how to install and launch Superset, if you haven't seen it, clickhere

Today, let's talk about themost important topic to mastering Supersets - ARCHITECTURE!

Superset 4.0.2 has the following main modules:

1.Superset application2.Metadata database3.Worker4.Beat5.Caching

First, so what's the purpose of Superset application?

Superset application is acore component, included thePython (Flask) (backend), API layer andReact (frontend)

How about the Metadata database?
It uses for store chart definitions, dashboards, user information, logs, etc with thePostgreSQL andMySQL supported

How about the Worker?

• Execute asynchronous tasks
• Run asynchronous queries
• Send emails

How about the Beat?

• Acts as a scheduler
• Specifies the time for workers to perform their tasks

In short,Worker andBeat work together with the caching layer, using it as a message broker to coordinate tasks.

How about the Caching?

• Cache query results to speed up and reduce load on the data warehouse
• Act as a message broker for workers
• Usually uses Redis

Do you have any questions? Let's wait for the next topic to guide you on how to explore and visualization data.