My GitHub Page as a blog is opening!! Welcome to see my findings about Devops, Spring Boot, Feature Toggle, Kafka, and Event Sourcing... noahhsu.github.io

Q: How to make a robust deployment strategy but in a quick, easy way?? A: Feature Toggle let me tell you how in my article, noahhsu.github.io/DevOps/Easier%… include 1. minimal feature required 2. deployment with toggle 3. minimize maintenance effort #SoftwareEngineering #devopstips

first article got published on Level Up Coding!! hooray🎉🎉 levelup.gitconnected.com/easier-flexibl… #LevelUpCoding #Medium #SoftwareEngineering

CRaC: to speed up Java startup speed (by restoring a JVM snapshot from an already warmed-up application) It seems like a lifesaver for scaling up Java Server Applications during request peak. good talk on this topic given by simon ritter youtube.com/watch?v=bWmuqh… #Java

[Markdown Tips] How To display triple backticks (```) in a fenced code block, wrap them inside quadruple backticks. ```` success to display ``` ```` #Markdown #SoftwareEngineering

share my learning from the #Kubernetes summit in Taiwan 1. Container runtime security falco.org: syscall & k8s audit log detection 2. Improve istio ambient mode github.com/coding-kitties… => Use DaemonSet instead of Sidecar, need fewer resources but better performance

Get Kafka in prod-ready decisions to make 1. number of partitions and replicas 2. semantic level issues should be cared about 1. eventually consistency 2. event order 3. handling retry and recovery see more detail in my blog noahhsu.github.io/System%20Desig… #SoftwareDevelopment

Q: How to handle error in a Spring Boot 3 Application with Kafka consumer A: use @RetryableTopic and @DltHandler see more detail in my article: noahhsu.github.io/System%20Desig… #SpringBoot #SoftwareDevelopment

Q: How to trace, aggregate ,and monitor distributed log across spring boot 3 service A: aop, actuator, micrometer see more detail in my article noahhsu.github.io/Spring%20Boot/… #Java #SpringBoot #DevOps #Observability

Q: How to prevent duplicated requests processed, but not to decrease performance? A: design an idempotent API with the help of a cache server! read more on my medium article: medium.com/gitconnected/h… #SoftwareEngineering

How to decide the linger-ms and batch-size for a kafka-producer batch-size >= (QPS* avg message bytes) /( # of producer *# of partition * (1000/ linger-ms)) given defaults setting as: batch-size =16KB linger-ms=0 #Kafka

assertArg is way more brilliant than argThat and ArgumentCaptor #Java #JUnit

“Mysql Trap when DB Read-Write Separate and Parent-Child Relationship Schema without Transaction” by Noah Hsu noahhsu.medium.com/mysql-trap-whe…

5 Steps to Make Gradle Configuration Extreme Clean in a Multi-Module Project by Noahhsu link.medium.com/N3YOaRpUaLb

A new way to use container in both development and testing instead of TestContainer For a Spring Boot App #springboot #Docker link.medium.com/tA14dW9GAMb