Saving Data on Android

database sharding
.
To learn more about Realtime Database limitations, visit the official Firebase 
documentation on it, which you can access here: 
https://firebase.google.com/docs/
database/usage/limits
. Learn more about scaling as well, here: 
https://
firebase.google.com/docs/database/usage/sharding
.
Performance
Monitoring
Realtime Database offers several ways to monitor database performance and find the 
source of potential problems in your app. It offers different tools that provide insight 
into performance data. You'll look into those tools next.
One of the tools that Firebase provides is the Realtime Database profiler tool. This 
tool gives you an overview of reading and writing operations on the database in real-
time, which includes information about the speed and payload size of operations.
Saving Data on Android
Chapter 15: Usage & Performance
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Firebase console can also be a helpful debugging tool. The