TL;DR; You can even start with a single node, but you loose the highly available factor of c*. Cassandra is built for systems that handle huge volumes of data, terabytes and in some cases petabytes. Many users typically switch from MySQL (and lots of other RDBMS) to Cassandra once they find that their current DB … Read more
Thrift is becoming more of a legacy API: First, you should be aware that the Thrift API is not going to be getting new features ; it’s there for backwards compatibility, and not recommended for new projects. – the paul So I’d avoid Thrift based APIs (thrift is only kept for backwards compatibility). In saying … Read more
This is either https://issues.apache.org/jira/browse/CASSANDRA-4687 or https://issues.apache.org/jira/browse/CASSANDRA-5202 You can run the command “nodetool invalidatekeycache” on all of the server showing the error. If it keeps coming back you may want to disable key cache. If it is 5202 it should only happen after dropping and recreating a column family using the same name.