We did an upgrade from 6 to 8.2 by installing an in-between 7 instance and then doing a 6 to 7 upgrade and then a 7 to 8 upgrade.
On Wed, 21 Apr, 2021, 13:04 Daniel Exner, <[email protected]> wrote: > Hi everyone, > > this was true for Solr up until 7.x > > For 8.x you *need* to reindex. > > > Am 21.04.21 um 09:24 schrieb Puneet Pawaia: > > Hi, > > > > You'll need to reindex. > > > > Upgrade of index is supported from one major version below. > > > > Regards > > Puneet > > > > On Wed, 21 Apr, 2021, 12:32 shacky, <[email protected]> wrote: > > > >> Hi, > >> I have a very old Solr installation (VERY old: Solr 1.4.1 running on > Ubuntu > >> 12.04) which I would like to upgrade to the latest Solr version 8.8.2 on > >> Debian Buster. > >> > >> Will I be able to migrate the index or should I reindex all documents? > >> > >> Thank you very much! > >> Bye > >> > > > >
