BLE call in ESP32 fills flash usage

Hi Community…

I am working with ESP32 under the arduino framework
I started from an empty project where the flash usage is around the 12%…
Then I tried this example reported here …

Now the flash usage in the following …

image

Is it normal that the usage has in increase of the 70% just using the BLE stack?

I discovered that the call that makes this increase is the init called here…

I am wondering if there is an issue from my side or it is normal this behavoiur…

Thanks a lot