Why AI Fails at Cassandra Troubleshooting — and What Happens When It Stops Guessing
Go ahead and ask an AI tool which node in your Cassandra cluster is struggling right now. Ask it whether that latency spike is from compaction or GC. Ask which keyspace is drowning in tombstones. Ask why writes are failing at QUORUM in one data center but not the other.
It'll answer every single time. Confidently.
That used to impress me. Now it makes me nervous. Because these aren't trivia questions — they're the ones you're asking at 2 a.m., when something is actually on fire. And a confident wrong answer doesn't just waste time, it sends you in the wrong direction while the real problem gets worse.
The model isn't bad. It just has no idea what your system looks like.
The Problem Is Not Intelligence. It Is Context.
LLMs are genuinely good at explaining Cassandra concepts — write paths, compaction, hinted handoff, consistency levels, tombstones. They can talk...
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