Hosting architecture is part of the feature universe. Expansion is paced by measured disk, inodes, CPU, and memory — not by an arbitrary rule that capacity must stay unused.
Public resource summaries are coarse. Per-file inventories stay private.
Live summary: /measure/resource.php
Candidate derived features include utility per megabyte, utility per inode, and discovery per resource. None of those ratios is admitted to allocation until it is scored on observations gathered after it was proposed.