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Container Runtime Interface
Kubelet Process 检查 —-container-runtime 参数 ps aux | grep kubelet | grep container --runtime-cgro...
Common Commands
List Repo helm repo ls Search Chart helm search repo chart-name List Release helm ls NAME: ...
Pod
Get Pod Image kubectl get po xxx -o jsonpath="{.items[*].spec['containers'][*].image}{'\n'}"; ec...
Others
Cluster Info kubectl cluster-info Kubernetes master is running at https://lb-tomato.example.loc...
CPU Memory Stat
Node Stat #!/bin/bash echo -e "NODE\t\t\tCPU Requests\tCPU Limits\tMemory Requests\tMemory Limi...
Logging Architecture
https://kubernetes.io/zh-cn/docs/concepts/cluster-administration/logging/ Logging Path docker:...
OTEL Jaeger Exporter
Background Otel Collector remove native jaeger exporter port: 14250. Otel Collector use new otl...
Architecture
graph LR A[Java 应用] -->|OTLP| B[OpenTelemetry Collector] B -->|OTLP| C[Jaeger All-in-One]...
Priority
优先级规则 Istio 并不显式声明“优先级”字段，而是靠 match 顺序 + 精确度 来决定哪个匹配生效： 1. 同一个 VirtualService 内 http 匹配规则是 自上而下...
Large Metrics
Sometimes the metrics exposed by Istio can be very large, which may cause vmagent to fail when sc...