You are switching 2 major versions. You probably need to delete the collections (fully not only delete command) and reindex
> Am 12.11.2019 um 21:42 schrieb Sujatha Arun <suja.a...@gmail.com>: > > We recently migrated from 6.6.2 to 8.2. We are seeing issues with indexing > where the leader and the replica document counts do not match. We get > different results every time we do a *:* search. > > The only issue we see in the logs is Jira issue : Solr-13293 > > Has anybody seen similar issues? > > Thanks