Or if you have the resources, set up a separate machine for the new Solr version and reindex and test against that one before switching.
Op zo 12 jun. 2022 20:21 schreef Dave <hastings.recurs...@gmail.com>: > You don’t need a new core/collection, just reindex everything again. > Ideally since you’re using standalone (way better than cloud imo) you can > use the same indexer, just do an integrity check after the fact to make > sure the document counts are the same. You don’t really need to do that > delete if you are just going to obliterate the previous install and index > > > On Jun 12, 2022, at 1:49 PM, Christopher Schultz < > ch...@christopherschultz.net> wrote: > > > > All, > > > > We've been using the same major version of Solr for years so haven't had > to do this yet, but we are preparing to upgrade between major versions, now. > > > > After upgrading, I'm assuming that the existing index is "usable" but > I've read many times that "you should reindex after a major version change." > > > > Okay. > > > > Does that just mean: > > > > 1. delete *:* > > 2. re-add all documents > > > > ? > > > > Or do we have to create a new core/collection with the schema from > scratch and load it? > > > > I'm using standalone Solr (i.e. no ZK) with a single core if that makes > any difference. > > > > Thanks, > > -chris >
