Kubernetes and OpenShift have an optional feature to limit the memory usage of a container with spec.containers[].resources.limits.memory . This is based on actually used physical memory (i.e. resident set size or RSS ). If the container tries to exceed its memory limit, it is forcefully...
Our last App Transformers: More Than Meets the Eye episode on IBM Expert TV addressed dealing with misbehaving Java applications. Paul Bennett joined me to demonstrate the quick and easy process of updating a Liberty application's container image to a certain level, and then reverting back...
Operational Uniformity and Capacity Gains w/Open Liberty & Spring Boot apps We recently continued the discussion of containerized Liberty workloads on another Expert TV session. @Michael Thompson , @TIM PICKETT and Tom Watson join Dana Price to explore even more options for...
@Leo Christy Jesuraj shared a slew of best practices and tips related to containerized deployments of applications with Liberty and WebSphere in last week's App Transformers: More Than Meets the Eye episode on IBM Expert TV. We explored optimizations in the right-sizing of Liberty, steps to...
App Transformers: More Than Meets the Eye is our twice monthly Expert TV channel that addresses all things App Modernization-related. Visit our home page for a wealth of exciting and informative episodes related to application modernization. Our most recent episode was focused on a new...
In this blog post I will show how to create a minimized Liberty container image. The idea is based on an article by Tim Pickett: https://developer.ibm.com/articles/modernize-and-optimize-spring-boot-applications/ . Tim’s article focused on Spring Boot applications in JAR files; I will be...
We are living in a container world and I am a container boy. Okay, so maybe a modified version of Madonna's Material Girl does not come to mind right away. However with more and more workloads moving to containers and their orchestration in Kubernetes, Liberty performance needs to be tracked...
In a previous blog post, Lessons from the field #8: Liberty in containers part 1: Java performance , Brent Daniel discussed Java performance in Liberty containers. In this blog post, I will go into more detail on optimizing Liberty performance in containers for startup time and image size...
Check out the replay of last week's "WebSphere and Liberty Community Spotlight" Expert TV episode and learn how to deploy and manage your containerized Liberty applications effectively and efficiently with Red Hat OpenShift and Open Liberty Operator. I covered the following topics: -...
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In last week's Expert TV episode of WebSphere and Liberty Community Spotlight , Trevor Crawford ( @Trevor Crawford ) and I showed how you can iterate quickly while developing cloud-native Java applications for Open Liberty and WebSphere Liberty. We covered why fast iterative...