# Schedulers and executors — Apache Airflow

Source: https://www.geekswithgeeks.com/en/airflow/airflow-13

> Apply Schedulers and executors with clear evidence.

## Understand Schedulers and executors

For **Schedulers and executors**, begin with the problem it solves. Identify the inputs, constraints, and observable outcome before choosing an implementation.

## Practise deliberately

Create one small example for **Schedulers and executors** and verify its result before expanding it.

## A useful comparison

**Schedulers and executors** is like a route plan: it keeps each step connected to a destination.

Check your reasoning.

**Quiz:** What is the best first step for Schedulers and executors?

- [x] Define the goal and constraints.
- [ ] Copy an unverified example.
- [ ] Skip measurement.

*Answer:* Define the goal and constraints.. A clear goal and constraints make decisions reviewable.