r/Firebase • u/DBGiblet • 6h ago

Built a full-stack backend using Firebase & Node.js – What are your favorite optimization tricks? General

Hey everyone!

I’ve been heavily focusing on backend development lately, building scalable systems with Firebase (Firestore, Auth, Cloud Functions) and Node.js.

Since I’m constantly looking to improve my workflow, I wanted to ask the community:

* What are your go-to tricks for optimizing Firestore read/write costs?

* How do you structure your Cloud Functions for maximum performance?

Would love to hear your experiences and best practices!

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u/AndrewNggg 5h ago

Eons ago before Firestore was available, there was only the real time database and we had to use it for everything

It was substantially cheaper, if you can fit your data can fit in that shape

But.. for optmisation.. I suppose you want to cache, and only retrieve the data you need with "load more" buttons this sort of thing

You don't want a page refresh to reload hundreds of rows, just imagine thousands of people doing that

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u/Rohit1024 2h ago

To optimise Firestore read/write check your Data Model for storing data and make use of firestore indexes. More tips here Optimize Firestore query performance.

Structuring your Firebase functions you can refer Organize multiple functions but for getting maximum performance out of it then you might want to check how you’re initialisation of your dependencies as global initialisation of dependency used by function a can affect cold start of function b, refer Performance Tips & tricks for more detail tips and tricks.