Please read
https://docs.datastax.com/en/upgrading/docs/datastax_enterprise/upgrdCstarToDSE.html#_general_restrictions
The document is written for DSE Cassandra, but must of it applies to
Apache Cassandra too.
In short, watch out for these:
Client side:
* Check client driver compatibility.
Hi all,
What (if any) problems could we expect from an upgrade?
Ie., If we have 12 nodes and I upgrade them one-at-a-time, some will be on the
new version and others on the old.
Assuming that daily operations continue during this process, could problems
occur with streaming replica from one n