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Jamie Pine e053bf233e Build the file type registry once, not once per arena insert

Rebuilding a replica's arena from a delivered database adds rows one at a
time through Arena::add_entry, and that method built a FileTypeRegistry per
call. Building one parses every built-in definition: 92 KB of TOML across
15 files and 349 types, about 3 ms. That was the whole cost of an insert.

Titan spent about 57 minutes rebuilding the Mac's 1.76M-entry home source
after each transfer. The database was never the problem: the full join scan
is 3 s, and one 2,000 row page is 7 ms against an optimal plan.

The built-in set never changes after startup, so one instance serves the
process. 20,000 inserts drop from 60 s to 143 ms, 3.00 ms to 7.2 µs each,
which puts that rebuild near 13 s in a debug build. The batch path built one
per batch and now shares the same instance.

core/tests/arena_insert_cost.rs fails if an insert starts rebuilding it.

2026-09-19 21:54:59 -07:00

app

Docs, register, and interface polish from parallel sessions

2026-09-15 17:09:40 -07:00

README.md

Spacedrive Documentation

The Spacedrive docs site, built with Fumadocs on Next.js. This directory is a standalone app with its own bun install, separate from the repo workspace.

bun install
bun run dev      # dev server on localhost:3000
bun run build    # production build

Or from the repo root: just dev-docs / just build-docs. Requires Node 20+.

Layout

overview/, core/, extensions/, cli/, react/, gpui/: published MDX content, one sidebar tab per folder. Navigation order lives in each folder's meta.json.
app/, lib/, components/: the Next.js app. Pages are served from the site root, so core/jobs.mdx renders at /core/jobs.
public/: images, logo, favicon.
plans/, core/design/, design/, archive/: internal working docs, not part of the site.
WRITING_GUIDE.mdx, CODE_COMMENTS.mdx: contributor guides, not published.

Writing pages

Frontmatter supports title, description, and sidebarTitle (a shorter name for the sidebar). Callouts, <Steps>, <Tabs>, <Cards>, and <Accordions> are registered globally, so no imports are needed in MDX. Every page is also served as raw markdown at <path>.md and indexed in /llms.txt.