How to sort over all documents by score after Result Grouping / Field Collapsing

Hi, I have solr documents like this: I know I can use solr Result Grouping / Field Collapsing to get the top 2 result by grouping by source_id. Within each groups, documents sorted by scroe by query like this: http://localhost:8983/solr/select?q=bank&group.field=source_id&group=true&group.l

Re: How to sort over all documents by score after Result Grouping / Field Collapsing

Thanks Erick for your response. My goal is 1. try to search from solr. In the search result, we would like show no more than two results from the same source id. 2. For the search results, we would like all these results sorted by their score. So If I use solr result grouping to get the top two r