Solr 4.10 Joins: Slow performance with millions of documents

Hi there. I'm trying to fix a performance problem I have with queries that use Solr's Join feature. The query is intended to find all Job Applications that have an Interview in a particular state. There are 20 million Job Applications and around 7 million Interviews, with 1 million Interviews

insertion time

Hello, We always update the same document many times using DataImportHandler. Can I add a field for the first time the document inserted to the index and another field for the last time the document updated? Thanks, Mahmoud

Re: SOLR-7036 - a new Faster method for facet grouping

Hi, A reminder, in case anyone that is interested in performance of grouped facet missed the older mail. There's a new patch for improving grouped facet performance that works with latest branch. It uses the UIF method from JSON API. Can be a first step for adding support for grouped facets on