`load_dataset` caches two arrow files?
This is a wrong report -- `cache-*` files are created only my `map`, not by `load_dataset`. 
Hi,

I am using datasets to load large json file of 587G.
I checked the cached folder and found that there are two arrow files created:
* `cache-ed205e500a7dc44c.arrow` - 355G
*  `json-train.arrow` - 582G

Why is the first file created?
If I delete it, would I still be able to `load_from_disk`?
`load_dataset` caches two arrow files? 
 Hi,

I am using datasets to load large json file of 587G.
I checked the cached folder and found that there are two arrow files created:
* `cache-ed205e500a7dc44c.arrow` - 355G
*  `json-train.arrow` - 582G

Why is the first file created?
If I delete it, would I still be able to `load_from_disk`? 
 This is a wrong report -- `cache-*` files are created only my `map`, not by `load_dataset`. 