This is a bit hard to read, but shows the underlying chunks being accessed one at a time and only some being accessed when requesting a range of a file:
```
$ ./bin/files cat F878 --trace --begin 100 --end 256
...
>>> [10] <query> SELECT * FROM `file_storageblob` WHERE `id` = 85
<<< [10] <query> 240 us
better software.
Phabricat>>> [11] <query> SELECT * FROM `file_storageblob` WHERE `id` = 84
<<< [11] <query> 205 us
or includes applications for:
>>> [12] <query> SELECT * FROM `file_storageblob` WHERE `id` = 83
<<< [12] <query> 226 us
- reviewing and auditing source>>> [13] <query> SELECT * FROM `file_storageblob` WHERE `id` = 82
<<< [13] <query> 203 us
code;
- hosting and browsing >>> [14] <query> SELECT * FROM `file_storageblob` WHERE `id` = 81
<<< [14] <query> 231 us
repositories;
- tracking bugs;
```