What happens when the MongoDB database gets too big?

Question

MongoDB

What happens when the MongoDB database becomes too large and there is no more disk space?
* while the database is running
* after (re)launch
How quickly (up to 10 minutes) upload test data (unique) to monga for a total of 100Mb?

Answer 1

1. The process will crash.
2. The system will not boot if there is no free disk space.
In order to avoid such a problem, you need to learn how to do sharding. Therefore, we read:
1. Do not care what MySQL is, it is important to understand the principle https://ruhighload.com/post/%D0%A8%D0%B0%D1%80%D0%...
2. The old version (it is more detailed) https ://docs.mongodb.com/v3.0/core/sharding-introd...
3. New https://docs.mongodb.com/manual/sharding/