Keeping data for long term - managing Recorder

I have some specific entities that I want its date to be to be stored and available in my graphs for over a year. My understanding is that it stores by default 10 days. So I’m looking at the documentation:

I reckoning it would be something like this:

recorder:
  auto_purge: true #currently the default
  purge_keep_days: 365
  db_url: sqlite:////home/user/.homeassistant/test
    entities:
      - sensor.humidity_158d0001b91088
   ..............

Now I have two questions:

1. Struggling with the include/exclude, that way that I did, will it store for 365 daysonly for that entities and 10 days for the other ones?
2. Also, according to the documentation it says that the “purge_keep_days” parameter: “Specify the number of history days to keep in recorder database after a purge”. Question is, So we are saying that is gets purged automatically every day but it get stored the number of days? How does that work?

Note: not sure how will this affect performance, I’m using Docker on a Synology NAS, I also have MariaDB already set up in another container if needed.

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