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.
locations
rating/1
dependencies
type
list
options
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