Post

yup that's officially 10 billion atproto backlinks indexed by constellation across every lexicon that you can query at constellation.microcosm.blue

Breadbrowser

@handle.invalid

12 Nov 2025

Wow, that's that's a lot (genuine). I'm curious what is the setup running it?

fig (aka:[phil])

@bad-example.com

12 Nov 2025

little rust app on a pi5 (16GB), rocksdb on nvme

tangled.org/microcosm-rs/constellation at main · @microcosm.blue/microcosm-rsConstellation, Spacedust, Slingshot, UFOs: atproto crates and services for microcosm

Banda Bassotti

@orpach.neocities.org

13 Nov 2025

How much space is this taking up? Would this be at all feasible if you couldn't use nvme? e.g. usb because pi4

fig (aka:[phil])

@bad-example.com

bit under 500GiB it got to the first 1B backlinks on a 4GB pi4 with sata ssd over usb, but i don’t think it would do well at current scale on the pi4 anymore. rocks got memory hungrier for one.

13/11/25, 2:08 am0 reposts3 likes

Banda Bassotti

@orpach.neocities.org

13 Nov 2025

50-something bytes average seems surprisingly low to me. Good job!

fig (aka:[phil])

@bad-example.com

13 Nov 2025

thanks! on different days i feel like it’s either pretty good or too much heh