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CPU Memory Stat

K8s Commands

Node Stat #!/bin/bash echo -e "NODE\t\t\tCPU Requests\tCPU Limits\tMemory Requests\tMemory Limi...

Updated 2 months ago by kugarocks

Logging Architecture

K8s Cluster Administration

https://kubernetes.io/zh-cn/docs/concepts/cluster-administration/logging/ Logging Path docker:...

Updated 2 months ago by kugarocks

OTEL Jaeger Exporter

Jaeger Troubleshooting

Background Otel Collector remove native jaeger exporter port: 14250. Otel Collector use new otl...

Updated 2 months ago by kugarocks

Architecture

Jaeger

graph LR A[Java 应用] -->|OTLP| B[OpenTelemetry Collector] B -->|OTLP| C[Jaeger All-in-One]...

Updated 2 months ago by kugarocks

Priority

Istio Virtual Service

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...

Updated 2 months ago by kugarocks

Large Metrics

Istio Troubleshooting

Sometimes the metrics exposed by Istio can be very large, which may cause vmagent to fail when sc...

Updated 2 months ago by kugarocks

Ingress Gateway Routing

Istio

When traffic goes into the istio-ingressgateway, how does the pod know which Gateway it should us...

Updated 2 months ago by kugarocks

Persistent Connection Issue

gRPC

Make A Test Use latest GRPC version. Client A call Service B on pod B1. Pod B1 die. Weather Cli...

Updated 2 months ago by kugarocks

Too Many Open Files

Fluent Bit Troubleshooting

https://github.com/fluent/fluent-bit/issues/1777 @aderuwe It might be more related to inotify me...

Updated 2 months ago by kugarocks

Kube Tag Prefix

Fluent Bit Troubleshooting

Error incoming record tag (kube.containers) is shorter than kube_tag_prefix value (kube.var.log....

Updated 2 months ago by kugarocks