[I] Should ObjectStore sizes be `u64` instead of `usize`? [arrow-rs-object-store]

["ttencate (via GitHub)" <gi...@apache.org>]

ttencate opened a new issue, #61:
URL: https://github.com/apache/arrow-rs-object-store/issues/61

   I noticed that [`object_store::ObjectMeta::size`](https://docs.rs/object_store/latest/object_store/struct.ObjectMeta.html#structfield.size) is of type `usize`. On 32-bit platforms, this would limit the value to 4 GiB.
   
   There are object stores out there that accept files larger than 4 GiB. For instance, Google Cloud Storage [supports](https://cloud.google.com/storage/quotas#objects) objects up to 5 TiB. Common local filesystems (with the exception of FAT32) also support larger files.
   
   There might be more APIs where `usize` is used to represent file size, but I didn't check.


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