Let me copy paste an answer I wrote yesterday :) To get the number of groups, you are expected to set set group.ngroups=true. Even then, the result will only give you an upperbound in a distributed environment. To get the exact number of groups, you need to shard along your grouping field.
If you have many groups, you may also experience a huge performance hit, as the current implementation has been heaviy optimized for low number of groups (e.g. e-commerce categories). On Thu, Aug 1, 2013 at 10:06 AM, Bruno René Santos <brunor...@gmail.com>wrote: > Hello, > > Is there any way to know how many items will I have after grouping results? > I have the total matches without groups and for each group the quantity of > items on it, but I cannot find the number of groups I got. > > Regards > > -- > Bruno René Santos > Lisboa - Portugal > -- ______________________________________________ Masurel Paul e-mail: paul.masu...@gmail.com
