rating_recalculation rating recalculation Rating recalculation mode Determines when and how rating aggregates are recalculated. Depending on the site load, some options may be preferred to others. On large-volume sites, it should be done as a cron job. On vote recalculation, there may be inaccuracies if rating calculation is time-dependent.  Recalculate on vote Randomly recalculate oldest ratings (on load) Randomly recalculate oldest ratings (on vote) Cron job (must be set manually) Before any attempt to re-index the object