One handy feature of the DataImportHandler in solr is that you can group documents by different entities. In the MKB we have a couple different kinds of entities we import – songs, albums, tvshows, etc. Sometimes we make a change or improvement to the underlying data of one type of entity, and want to test it out. Instead of reimporting all the data, we can just reimport that one specific entity. To do this correctly, we need to define a […] (Read more)