> What are the modern tech Stack behind Yahoo? Too big to generalise. Shared tech stacks would be hard to call modern, but various tech stacks within teams we

> What are the modern tech Stack behind Yahoo? Too big to generalise. Shared tech stacks would be hard to call modern, but various tech stacks within teams were better. The more worthwhile stuff is open sourced (Athenz, Screwdriver) but there is a lot of shit internally, in varying stages of "deprecated but still the defacto solution". > Still have any FreeBSD running? I mean, there's probably some freebsd 7 hosts _somewhere_ and some of the internal tech stack supports it, but mostly it's RHEL6 when I left with a presumably-completed-by-now RHEL7 migration planned. > Do Yahoo actually use Vespa [1] for their search engine? Can't comment on search, but a partner team to my old team did.