Hi: I think you are just trying to avoid complete re-index right? why don't you take a look at this: https://lucene.apache.org/solr/guide/8_0/updating-parts-of-documents.html
At 2021-02-17 21:14:11, "Mahmoud Almokadem" <prog.mahm...@gmail.com> wrote: >Hello, > >I've an integer field on an index with billions of documents and need to do >facets on this field, unfortunately the field doesn't have the docValues >property, so the FieldCache will be fired and use much memory. > >What is the best way to change the field to be docValues supported? > >Regards, >Mahmoud
