I don't think there has ever been a promise of rollback to previous minor version without reindexing? If so, where is that promise documented?
Jan > 3. aug. 2021 kl. 21:06 skrev Evgeny Ivanskiy > <eivans...@salesforce.com.INVALID>: > > Hi, > We upgrading SOLR from 8.6.3 to 8.8.2 > Everything works fine except rollback testing > When we do rollback, the indexes do not open due to the missing of the > codec. 8.6.3 cannot open indexes builded on 8.8.2 > Of course we can reindex all the data, but it takes hours. Is there any > better approach to rollback to the previous version?