Quick Answer
Containers write logs (stdout/stderr), and the container runtime stores them as files on the node. Each container restart adds a new log file. Containers that restart frequently (CrashLoopBackOff) create many log files. Large or unbounded log files fill the node's ephemeral storage รขโฌโ triggering kubelet's hard eviction and removing Pods from the node.
Answer
Logs, layers, and temp files fill disk, triggering evictions.
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Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.