Summary of some jq use cases and caveats daily. Quick reference: cheat sheet Need to read through some common use cases: offici ...

Command line application ingredients: arguments, options(flags) stdin, stdout, stderr meaningful exit code and logging signal han ...

Cheatsheet to help install/upgrade/rollback helm charts. Repo Chart Note chart release name can be different from chart name. Ad ...

应用容器，一般来说只有一个main serivce process(it can spawn child processes). 需要一个 init process(PID 1) 去管理 children reaping, handle signals, 也就 ...

Benchmark Need to first install stress, stress-ng packages, benchmark with multi-process. # stress cpu with 1 processstress --cpu ...

最近针对目前的pipeline 有2个优化: 把deployer base image 单独分出来，在这一阶段安装一些general common packages. 把base image flavor 从 Alpine 换到 Debian. 对于1， ...

Docker Compose Demo Github repo: https://github.com/chengdol/InfraTree/tree/master/docker-monitoring The steps are in README. Graf ...

top command ran in container within the pod shows the host machine overview metrics and container level process metrics. The reaso ...

//TODO: [ ] see reading section [ ] series https://blog.freshtracks.io/a-deep-dive-into-kubernetes-metrics-b190cc97f0f6 [ ] prom c ...

On any of Kafka cluster nodes runs following commands. Topic # list topics created./bin/kafka-topics.sh \--bootstrap-server localh ...