The Split-Brain Problem in Plain English — And the Three Ways Your Distributed Cache Handles It Wrong (opens in new tab)

Redis Sentinel, Hazelcast, and Infinispan all have split-brain documentation. None of them tell you what your Java code silently observes when it happens. Let’s fix that. A split-brain is one of those distributed systems concepts that every engineer nods at but very few have actually traced all the way down to application code. In short: …