One disk metric explaining a whole cluster's weirdness is the point of this question. Candidates who restart etcd first turn a slow cluster into a down one.
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kubectl takes ten seconds, operator leader elections flap, and etcd fsync latency is the only red metric. What now?
One disk metric explaining a whole cluster's weirdness is the point of this question. Candidates who restart etcd first turn a slow cluster into a down one.
Updated Sep 2026 · Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.
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