Is Slow Synchronization in Joplin a Manipulation or a Necessity?

[Medullitus]

Update:

I came across the following topic on the forum. I think it could be one of the factors causing slow synchronization:

Background sync in android

Still using it daily? Any downsides? I'm tempted to try it out. Will I need to rebuild the resources/database at the first sync? Is it better to uninstall the official Joplin apk first, with all its data/cache? Also, does it drain the battery a lot when not in use? Thanks for this great addition