Tech Notes

Your project can be on or off. Your project's priority can be changed. Your job can be changed. But the technology is always heading north!

Monday, November 23, 2020

Gitlab

Predefined variables: https://docs.gitlab.com/ee/ci/variables/predefined_variables.html Variable precedence: Setup a runner from Gitlab UI: ...

Sunday, July 26, 2020

Rolling update

There are 3 major update methods for the services running inside k8s: Rolling update Blue/Green Canary I will not repeat them sinc...

Tuesday, June 16, 2020

How to preserve the format for code piece in Goolge Blogger

Add your code to the line in following section and paste them back in HTML view: <pre style="font-family: Andale Mono, Lucida Con...

Build a fat jar for Spring boot to include classes under 'test' in gradle

plugins { id 'org.springframework.boot' version '2.2.2.RELEASE' id 'io.spring.dependency-management...

Thursday, May 21, 2020

Ways to change property values for Java Spring application in EKS (Kubernetes in AWS)

Issue to solve When deploying micro services to EKS, we might need to pass different values to the same micro service for different envir...

Saturday, May 2, 2020

Pulsar

Advantage over Kafka Segment centric storage When both Kafka and Pulsar have segment, Kafka has to put all segments for a topi...

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