Long, long time ago, we described a problem called deep paging. To keep things short – the deeper you want to go in the results, the slower the query will be. This is because Solr needs to prepare the data from the beginning for each query. Until Solr 4.7 there wasn’t a good solution for that problem. With the recently released Solr version, we got a possibility of using so called cursor to drastically improve performance of deep paging.