Teamwork Cloud Magic Collaboration Studio no longer supports Apache Cassandra 3.x, therefore before upgrading Teamwork CloudMagic Collaboration Studio, you need to upgrade Casandra Cassandra to version 4.x (we recommend using Cassandra 4.0.3).
If you are running Cassandra in a cluster environment, upgrade it one node at a time to allow clients to access the cluster during the process.
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Before upgrading
Make sure that all the nodes are ready.
Create a snapshot of your data for backup.
To upgrade Cassandra
Flush memtables to the disk by executing the following command: