Apollo: Performance Management Playbook 2020

Question 1

05 Using Apollo Client for Redux-like State Management / 01 Understand How to Manage State with the Apollo Client

3 Apollo client Features for Managing State

Answer 1

1. creating and updating virtual or local-only fields in GQL
2. creating and updating global or reactive variables stored in the Apollo Client instance
3. fetching local-only fields that include reactive variables resulting in full state management in your app

Question 2

07 Using the DataLoader to Improve Server Response Times / 01 Learn Why We Need a DataLoader

Is DataLoader caching data?

Answer 2

No, it is just for batching.

Question 3

07 Using the DataLoader to Improve Server Response Times / 03 Add a DataLoader for Retrieving a Room for Each Conference Session

What is a DataLoader pattern?

Answer 3

1. Resolver stores id
2. Resolver returns promise
3. DataLoader request all ids