Are you telling me that cassandra changes sstanle file format when updating from 3.11.4 to 3.11.5?
Von meinem iPhone gesendet > Am 05.03.2020 um 02:05 schrieb Sandeep Nethi <nethisande...@gmail.com>: > > > Hi, > > I think there is no way to revert sstables to previous version once they are > upgraded and having new transactions on upgraded version. > > But you can try some workarounds by creating a secondary datacenter with > 3.11.0 and having the primary datacenter upgraded to 3.11.5. This way if you > come across any issues with upgraded datacenter, you can switch your traffic > to another datacenter which is on older version (later on you can > decommission dc with 3.11.5) but this approach needs to be tested. > > But having two versions in same cluster might have performance impact. > > Thanks, > Sandeep > > On Thu, 5 Mar 2020 at 1:51 PM, Erick Ramirez <erick.rami...@datastax.com> > wrote: >>> ... the older version of C* will not be able to read the SSTables using the >>> old format. >> >> Sorry, I meant to say "... using the NEW format". Cheers!