This script ensures that a Graphserv instance is running and updates its graphcore processes with category/page data from Wikipedia. It is started periodically from a cron job on catgraph hosts. See --help for more info.
Please file bugs and feature requests on [Phabricator] (https://phabricator.wikimedia.org/maniphest/task/create/?projects=tcb-team,catgraph&title=%5BGraphCare%5D).