Hwchiu Learning

Original link: https://www.hwchiu.com/read-notes-65.html Title: “Job Introduction of SRE” Category: others Link: https://www.kawabangga.com/posts/4481 This article is in Simplified Chinese, so there is no introduction to the article. I think the interesting part of the article is to discuss the possible content of the SRE position from various aspects. After all, the inquiries about DevOps, SRE and […]

Original link: https://www.hwchiu.com/read-notes-64.html Title: “DevOps is a failure” Category: others Link: https://leebriggs.co.uk/blog/2022/06/21/devops-is-a-failure The author of this article talks about the meaning and practical significance of the word DevOps from different perspectives In the first paragraph, the author first chatted about the history of himself and the word DevOps, and the recipient directly threw out a

Original link: https://www.hwchiu.com/read-notes-63.html Title: “Interviewing Life – Designing a Simple Decentralized Job Scheduler” Category: others Link: https://medium.com/@raxshah/system-design-design-a-distributed-job-scheduler-kiss-interview-series-753107c0104c This article is a technical interview article, which discusses how to design the overall system to fulfill the requirements when developing a project similar to Job Scheduler. The overall architecture is based on the principle of KISS, which

Original link: https://www.hwchiu.com/read-notes-62.html Title: “Cloudflare 06/21 Disaster Report” Category: networks Link: https://blog.cloudflare.com/cloudflare-outage-on-june-21-2022/ The official Cloudflare article explains in detail what happened on the day of 06/21/2022 that affected users, The scope of this issue summarizes the 19 data centers under Cloudflare, and unfortunately these 19 data centers are all responsible for processing heavy global traffic,

Original link: https://www.hwchiu.com/read-notes-60.html Title: “Common Internet Fallacies on Decentralized Systems” Category: others Link: https://architecturenotes.co/fallacies-of-distributed-systems/ This article discusses the network conditions that are often overlooked by developers on decentralized systems. These situations are easy to ignore and consider, but each point actually affects the performance and functionality of the entire system. These often overlooked network conditions

Original link: https://www.hwchiu.com/read-notes-59.html Title: “Why Some Engineers Don’t Believe in Best Practices” Category: others Link:https://blog.devgenius.io/why-some-developers-dont-believe-in-best-practices-8c03ea4f7e88 Engineers must be familiar with the popular development principles of DRY, KISS (Keep It Simple, Stupid), YAGNI (You Ain’t Gonna Need It), these principles have been developed by many excellent engineers in the past through their own experience. Condensed development

Original link: https://www.hwchiu.com/read-notes-58.html Title: “Learning Pod Memory Usage Using the StressChaos Experience” Category: others Link: https://chaos-mesh.org/blog/how-to-efficiently-stress-test-pod-memory/ This article is an official article from Chaos Mesh, mainly to discuss why the actual condition of using Chaso Mesh to test the memory condition is inconsistent with the set condition. The article discusses all the problems step by

Original link: https://www.hwchiu.com/read-notes-56.html Title: “goss, a simple and fast server authentication tool” Category: others Link: https://github.com/aelsabbahy/goss What I want to introduce today is a verification tool goss. The purpose of this tool is very simple. It allows system administrators to write Unit Testing for services on the machine through YAML. When would you need to

Original link: https://www.hwchiu.com/read-notes-56.html Title: “goss, a simple and fast server authentication tool” Category: others Link: https://github.com/aelsabbahy/goss What I want to introduce today is a verification tool goss. The purpose of this tool is very simple. It allows system administrators to write Unit Testing for services on the machine through YAML. When would you need to

Original link: https://www.hwchiu.com/read-notes-55.html Title: “How to Write Meaningful Discussion Messages” Category: others Link: https://conventionalcomments.org/ This article is very short, the main idea is to discuss how to make these messages more meaningful when discussing matters through words, so that the target audience can understand the meaning of the message faster. If someone today wants to

Original link: https://www.hwchiu.com/read-notes-54.html Title: “How to Provide Professional Code Review Opinions” Category: others Link: https://medium.com/@yar.dobroskok/how-to-review-the-code-like-a-pro-6b656101eb89 The author straight to the point mentioned that if there is no code review culture in the team, please ignore this article directly. When the team really has experience in code review, they will have the opportunity to improve the

Original link: https://www.hwchiu.com/read-notes-52.html Title: “Tetragon, an eBPF-based Kubernetes security management tool” Category: others Link: https://isovalent.com/blog/post/2022-05-16-tetragon Cillium’s development team, isovalent, recently announced their internal security-related project, Teragon (the cute bee warrior). The bottom layer of Teragon is based on eBPF technology, the purpose of which is to enable your Kubernetes to gain super powerful capabilities in

Original link: https://www.hwchiu.com/read-notes-51.html Title: “Datree, Kubernetes Configuration Checker” Category: tools Link: https://opensource.com/article/22/4/kubernetes-policies-config-datree Like the testing frameworks of various programming languages, the deployment file (YAML) of Kubernetes is actually a concept that can be imported into CI. So what exactly needs to be checked in the YAML file? The most basic concepts can be roughly divided