#rcu
Live, measured metrics for the hashtag #rcu from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #rcu
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mastodon.social (Mastodon public tags API) · fetched 2026-10-14 01:26 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-10-14 01:26 UTCLive pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-10-14 01:26 UTCEverything below is measured over the latest 31 public posts (spanning ~34105 hours).
Posting hours (UTC) — busiest: 14:00
Languages: English (28) · Hungarian (1) · Italian (1) · German (1)
Avg boosts / post: 0.5
Top of the latest posts
Non-trivial data structures become infinitely more fun as soon as #rcu is involved (if fun means terrifying).
#introduction I’m Joel. I’ve been into #OS since I was 15. I studied electronics in my undergrad. My first job at age 21 led me to #Linux. That’s when I wrote my first filesystem hack & turned into a product. I wrote my first upstream patch
You had rbtrees at uni? Let's throw #rcu in the mix and go. Though I wonder if a modern OS course wouldn't already cover #rcu in complex data structures?
#rcu across platforms
every network with a public tag surfaceFollow #rcu straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/rcu