Finding mongoDB records in batches (using mongoid ruby adapter)

Question

Using rails 3 and mongoDB with the mongoid adapter, how can I batch finds to the mongo DB? I need to grab all the records in a particular mongo DB collection and index them

Answer 1

The following will work for you , just try it

Model.all.in_groups_of(1000, false) do |r|
  Sunspot.index! r
end