Bad data model design with Cassandra causes chronic pains as application scales. I had to re-read about data model design in “Cassandra – the Definitive…
Replication Terms PIT (point in time) replica – snapshot of the source at some specific timestamp;Continuous Replica – always in-sync with the production data;Recoverability –…
If database migration involves a schema redesign, we need to follow certain forms. I have good instinct what these forms are. However, I got some…
Database migration may involve many different types, such as hardware platform migration, one technology to another (relational to relational, relational to NoSQL), on-premise to cloud,…
Disclaimer: many contents here are from Cassandra The Definitive Guide Gossip and Failure Detection Cassandra uses a gossip protocol that allows each node to keep…