Developer Joy - The New Paradigm

talk 2025-10-22 holly cummins software development

Ever been told “work is not a place to be happy?” It’s not true! As developers, our job is to be productive, and we’re most productive when…

Using LangChain4j to Make Your Java Apps Smarter

talk 2025-10-14 holly cummins ai

AI isn’t just for coding assistants and python programmers. The real power of LLMs comes from integrating them into applications, connected…

Six and a half ridiculous things to do with Quarkus

talk 2025-10-09 holly cummins Quarkus

Let’s abuse the tools! Everyone knows Quarkus is computationally efficient, expressive, and rock-solid for production. But did you know that…

Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job

talk 2025-10-09 holly cummins software development

Development is about working with computers, right? Well, not quite. Development is all about working with computers ( easy), and working…

Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job

talk 2025-10-02 holly cummins software development

Development is about working with computers, right? Well, not quite. Development is all about working with computers ( easy), and working…

Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job

talk 2025-09-18 holly cummins software development

Development is about working with computers, right? Well, not quite. Development is all about working with computers ( easy), and working…

LangChain4j, Java, and You

talk 2025-07-11 holly cummins ai

If you’re not experimenting with AI, were you even developing in 2025? LangChain4j is emerging as a de facto standard for LLM integration in…

The ELUSIVE ART of User-Focused Simplicity In Software

podcast 2025-06-27 Dave Farley and holly cummins quarkus

This clip from The Engineering Room features Dave Farley and Holly Cummins, Senior Principal Software Engineer at Red Hat, as they explore…

Aflevering 99: The Hidden Cost of Doing Nothing: Hunting Cloud Zombies | De Nederlandse Kubernetes Podcast

podcast 2025-06-24 Jan Stomphorst, Ronald Kers and holly cummins sustainability

Holly explains that waste in our infrastructure is often easier to solve than we think. With simple automation, time-bound resources, or…

Productivity Through Play: Why Messing Around Makes Better Software Engineers

podcast 2025-06-20 Shane Hastie and holly cummins fun

In this podcast, Shane Hastie, Lead Editor for Culture & Methods, spoke to Holly Cummins about productivity in creative knowledge work like…

Developer Joy: A Better Way to Boost Developer Productivity

blog 2025-06-04 trisha gee and holly cummins software development

Joy isn’t a distraction from productivity. Learn how to reclaim developer satisfaction and boost output by embracing curiosity, minimizing…

Efficiency and Rock 'n’ Roll (Really!)

talk 2025-05-27 holly cummins software development

Is efficiency rock and roll? You might think the answer is “no, definitely not, no way.” Efficiency is about doing more with less, and rock…

Efficient Software: A Developer’s Manual for Saving The World

talk 2025-05-09 Holly Cummins sustainability

None of us actually like waste, but many of us tolerate it. This is a shame, because waste is really really bad. It makes our software more…

Java meets AI: Build LLM-Powered Apps with LangChain4j

talk 2025-05-08 kevin dubois and holly cummins ai

Join us for a guided tour through the possibilities of the LangChain4j framework! Chat with virtually any LLM provider ( OpenAI, Gemini…

Create AI-Infused Apps with LangChain4j (and Quarkus) (Mini Lab)

talk 2025-05-07 daniel oh, kevin dubois, and holly cummins ai

Generative AI has taken the world by storm, and it seems like every executive leader out there is telling us “regular” Java devs to “add AI…

Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job

talk 2025-05-07 holly cummins software development

Development is about working with computers, right? Well, not quite. Development is all about working with computers ( easy), and working…

How Developers Can Eliminate Software Waste and Reduce Climate Impact

media 2025-04-28 Ben Linders sustainability

High performance and sustainability correlate; making software go faster by improving the efficiency of algorithms can reduce energy…

The Evolution Of Kubernetes Workload Patterns

media 2025-04-23 Adrian Bridgwater cloud native

Kubernetes workloads differ because they represent applications and services deployed within a cluster encompassing one or more components.

How AI will change software engineering

media 2025-04-14 Kari McMahon ai

No one can agree how AI will change software engineering. Here’s how to prepare anyway.

The Efficiency Paradox and How to Save Yourself and the World

talk 2025-04-07 holly cummins sustainability

Inefficiency is ruining our planet and our lives. Efficiency is ruining our happiness, and weirdly, it’s also ruining our efficiency…

Productivity is Messing Around and Having Fun

talk 2025-04-07 Trisha Gee and holly cummins fun

Developer satisfaction, developer joy, and business results are strongly correlated. Developer productivity frameworks like SPACE recognize…

The Weight of Data: Rethinking Cloud-Native Systems for the Age of AI

talk 2025-04-03 Vincent Caldeira and holly cummins ai

The explosion of data and the rise of AI agents have brought cloud-native systems to a critical tipping point. While the CNCF has driven…

Practical Zombie Hunting for Kubernetes Users

talk 2025-04-03 holly cummins sustainability

Zombies? Yup, zombies. Zombies are servers which aren’t doing useful work. They’re everywhere, costing money, eating electricity, and…

Kubernetes drives AI scale with cloud-native power - SiliconANGLE

news 2025-04-03 Chad Wilson ai

Kubernetes plays a key role in scaling AI, bridging stateless design with stateful needs while supporting cloud-native, edge and sustainable…

theCUBE at KubeCon+CloudNativeCon EU 2025

podcast 2025-04-03 theCUBE ai

Holly Cummins, Senior Principal Software Engineer, Red Hat, &Vincent Caldeira, CTO APAC, Red Hat, join theCUBE for this segment of KubeCon…

Environment Variables: Sustainable AI Progress

podcast 2025-03-20 Green Software Foundation sustainability

For this 100th episode of Environment Variables from the Green Software Foundation, guest host Anne Currie is joined by Holly Cummins…

Optimizing Cloud Native Java • GOTO Book Club

podcast 2025-03-13 ben evans and holly cummins performance

This interview was recorded for the GOTO Book Club. #GOTOcon #GOTObookclub http://gotopia.tech/bookclub Read the full transcription of the…

Zero Waste, Radical Magic, and Italian Graft – Quarkus Efficiency Secrets

talk 2025-01-28 holly cummins quarkus

What makes a platform efficient? Is it how quickly code executes, or is it how quickly developers can use it to solve problems? Quarkus…

The Efficiency Paradox and How to Save Yourself and the World

talk 2024-12-13 holly cummins software development

Inefficiency is ruining our planet and our lives. Efficiency is ruining our happiness, and weirdly, it’s also ruining our efficiency…

Tradeoffs, Bad Science, and Polar Bears – The World of Java Optimisation

talk 2024-12-13 holly cummins java

Welcome to the Java optimisation jungle. Why can’t we “just make it go faster”? It turns out, in most cases, we need to first work out…

The Efficiency Paradox and How to Save Yourself and the World

talk 2024-12-10 holly cummins software development

Inefficiency is ruining our planet and our lives. Efficiency is ruining our happiness, and weirdly, it’s also ruining our efficiency…

The Efficiency Paradox and How to Save Yourself and the World

talk 2024-12-06 holly cummins software development

Inefficiency is ruining our planet and our lives. Efficiency is ruining our happiness, and weirdly, it’s also ruining our efficiency…

Tradeoffs, Bad Science, and Polar Bears – The World of Java Optimisation

talk 2024-12-05 holly cummins java

Welcome to the Java optimisation jungle. Why can’t we “just make it go faster”? It turns out, in most cases, we need to first work out…

The Engineering Room with Dave Farley

podcast 2024-12-01 dave farley and holly cummins all sorts

Listen to Dave Farley’s The Engineering Room with Dave Farley podcast on Apple Podcasts.

Leverage LLMs in Java with LangChain4j and Quarkus

talk 2024-11-22 georgios andrianakis and holly cummins ai

In this session, we’ll explore how to infuse AI capabilites into Java applications, using LangChain4j and its Quarkus integration. We’ll…

Less waste, more joy, and a lot more green – How Quarkus makes Java better

talk 2024-11-06 holly cummins quarkus

Quarkus makes both people and hardware more efficient. That’s cool, but how does it work? Usually, we expect to trade-off developer…

The Power of LLMs in Java – Leveraging Quarkus and LangChain4j

talk 2024-10-23 holly cummins ai

Generative AI has taken the world by storm over the last year, and it seems like every executive leader out there is telling us “regular…

Refactoring to Kube-native Java with Quarkus

talk 2024-10-23 holly cummins and Ian Robinson quarkus

Quarkus was created to enable Java developers to deliver applications for a modern, cloud-native world. A Kubernetes-native Java framework…

Choosing the right Java runtime for the job

talk 2024-10-22 holly cummins and Ian Robinson quarkus

Successful digital transformation requires business and IT systems to be secure, sustainable, and minimize technical debt. Technical debt…

The future of development – Are our jobs getting harder or easier?

talk 2024-10-19 holly cummins software development

In the early days of computing, software developers had to encode their programs on punch cards, and carry the bits around by hand. By the…

Zombie Menace, Vampire Peril

blog 2024-10-16 holly cummins sustainability

It’s the spookiest time of year! You might think spookiness and tech are unrelated, but you’d be wrong. Well, actually, you’d probably be…

Productivity is Messing Around and Having Fun

talk 2024-10-10 Trisha Gee and Holly Cummins fun

What is the happy path, for developers? It’s less boredom, and more play. Developer satisfaction, developer joy, and business results are…

Zero Waste, Radical Magic, and Italian Graft – Quarkus Efficiency Secrets

talk 2024-10-10 holly cummins quarkus

What makes software efficient? Is it how quickly code executes, or is it how quickly developers can use it to solve problems? Quarkus makes…

How Quarkus makes your apps cheaper, greener, and happier

talk 2024-10-08 holly cummins quarkus

Java never went away, but it’s having a renaissance. After some initial teething pains on the cloud (too big, too slow, too hard to…

The Efficiency Paradox and How to Save Yourself and the World

talk 2024-10-03 holly cummins software development

Inefficiency is ruining our planet and our lives. Efficiency is ruining our happiness, and weirdly, it’s also ruining our efficiency…

Panel – Where Is Software Development Going?

talk 2024-10-03 martin fowler, Dan Terhorst-North, Dave Farley, Trisha Gee, holly cummins software development

NLJUG academy masterclass – Create Java-based AI applications with Quarkus and LangChain4j

talk 2024-09-26 holly cummins ai

Generative AI has taken the world by storm over the last year, and it seems like every executive leader out there is telling us “regular…

Developer Joy == Developer Productivity (really!)

talk 2024-09-17 holly cummins software development

Ever been told “work is not a place to be happy?” It’s not true! As developers, our job is to be productive, and we’re most productive when…

How Quarkus makes your apps cheaper, greener, and happier

talk 2024-09-17 holly cummins quarkus

Java never went away, but it’s having a renaissance. After some initial teething pains on the cloud (too big, too slow, too hard to…

How to create your own Quarkus extension

talk 2024-08-12 holly cummins and Emil Lefkof quarkus

Holly Cummins discusses the basics, tips and tricks of creating your own Quarkus extensions.

Using yq in GitHub Actions

blog 2024-08-09 holly cummins devops

TLDR: GitHub runners come with yq pre-installed. There’s no need to install it, or use a third-party action. A problem of modern search…

Productivity is Messing Around and Having Fun

talk 2024-06-25 Trisha Gee and Holly Cummins fun

What is the happy path, for developers? It’s less boredom, and more play. Developer satisfaction, developer joy, and business results are…

Quarkus Efficiency Secrets

talk 2024-06-20 holly cummins quarkus

What makes a platform efficient? Is it how quickly code executes, or is it how quickly developers can use it to solve problems? Quarkus…

Is efficiency a good thing?

talk 2024-06-11 holly cummins software development

We live in a golden age of efficiency. Our modern cloud native applications have tiny footprints. Our infrastructure is now code. Everything…

Faster, greener, and happier- why Quarkus should be your next tech stack

talk 2024-06-10 holly cummins quarkus

Java never went away, but it’s having a renaissance. After some initial teething pains on the cloud (too big, too slow, too hard to…

Productivity is Messing Around and Having Fun

talk 2024-05-09 Trisha Gee and Holly Cummins fun

What is the happy path, for developers? It’s less boredom, and more play. Developer satisfaction, developer joy, and business results are…

Six things we learned implementing Rockstar on Quarkus

talk 2024-05-08 Hanno Embregts and Holly Cummins quarkus

Let’s run Rockstar programs on Quarkus! What could possibly go wrong? Rockstar is an example of an “esoteric language,” designed to be…

Java Annoted Featured Content – The Long Version

blog 2024-05-01 holly cummins java

I’m a JetBrains Community Contributor, and I was honoured to be invited to provide featured content for the Java Annotated newsletter. A…

Zero Waste, Radical Magic, and Italian Graft – Quarkus Efficiency Secrets

talk 2024-04-09 holly cummins quarkus

What makes a platform efficient? Is it how quickly code executes, or is it how quickly developers can use it to solve problems? Quarkus…

Faster, greener, and happier- why Quarkus should be your next tech stack

talk 2024-04-06 Holly Cummins quarkus

Java never went away, but it’s having a renaissance. After some initial teething pains on the cloud (too big, too slow, too hard to…

What is cloud native and how can it generate business value?

media 2024-04-02 George Fitzmaurice cloud native

Knowing what cloud native is and where it benefits enterprise operations is essential for competitive cloud development

Will Generative AI Kill Developer Jobs?

blog 2024-03-21 holly cummins software development

Large language models are astonishingly good at producing large volumes of code quickly. That’s also, sort of, what I do for a living…

The future of development: Are our jobs getting harder or easier?

talk 2024-03-15 holly cummins software development

In the early days of computing, software developers had to encode their programs on punch cards, and carry the bits around by hand. By the…

Faster, greener, and happier- why Quarkus should be your next tech stack

talk 2024-03-07 Holly Cummins quarkus

Java never went away, but it’s having a renaissance. After some initial teething pains on the cloud (too big, too slow, too hard to…

LCC 307 - Interview sur la passion, la créativité et le fun sur le long terme avec Holly Cummins et Mark Jane

podcast 2024-03-03 Katia Aresti, Mark Jane, and Holly Cummins fun

Enregistré le 27 février 2024

Is Efficiency A Good Thing? Part II: All the Things That Can Go Wrong

blog 2024-03-02 holly cummins software development

In part I of this blog, I discussed what efficiency even is, and explored the question of whether we’re any good at it. Although in some…

Is Efficiency A Good Thing? Part I: What is Efficiency, and Are We Any Good At It?

blog 2024-03-01 holly cummins software development

This blog is based on a keynote I presented at Tech.Rocks Summit 2023. I’m grateful to the organisers for suggesting the topic. Is…

Tame Microservices with Contract Testing

talk 2024-02-06 Holly Cummins microservices

Every time you change one microservice, the others break. But you had unit tests! What’s going on? Unit tests aren’t enough to give system…

Six things we learned implementing Rockstar on Quarkus

talk 2024-02-06 Hanno Embregts and Holly Cummins quarkus

Let’s run Rockstar programs on Quarkus! What could possibly go wrong? Rockstar is an example of an “esoteric language,” designed to be…

The future of development: Are our jobs getting harder or easier?

talk 2024-01-26 holly cummins software development

In the early days of computing, software developers had to encode their programs on punch cards, and carry the bits around by hand. By the…

Tradeoffs, Bad Science, and Polar Bears – The World of Java Optimisation

talk 2024-01-25 holly cummins java

Welcome to the Java optimisation jungle. Why can’t we “just make it go faster”? It turns out, in most cases, we need to first work out…

Taming Microservices with Contract Testing

talk 2023-12-13 Holly Cummins microservices

Every time you change one microservice, the others break. But you had unit tests! What’s going on? Unit tests aren’t enough to give system…

Is efficiency a good thing?

talk 2023-12-08 holly cummins software development

We live in a golden age of efficiency. Our modern cloud native applications have tiny footprints. Our infrastructure is now code. Everything…

The AI skills gap is becoming incredibly troubling for companies everywhere

media 2023-12-07 Craig Hale cloud native

The solution isn’t so clear, report claims

Faster, greener, and happier- why Quarkus should be your next tech stack

talk 2023-11-30 Holly Cummins quarkus

Java never went away, but it’s having a renaissance. After some initial teething pains on the cloud (too big, too slow, too hard to…

Cloud Native Users Struggle to Achieve Benefits, Report Says

media 2023-11-28 Charles Humble cloud native

Of those organizations that have “gone cloud native,” 95% said that challenges are keeping them from seeing the full benefits, in a new…

Quarkus Unveiled: Efficiency & Green Impact • Holly Cummins & Charles Humble • GOTO 2023

interview 2023-11-21 charles humble and holly cummins quarkus

This interview was recorded at GOTO Aarhus for GOTO Unscripted. #GOTOcon #GOTOunscripted #GOTOaar http://gotopia.tech Read the full…

Spécial Tech.Rocks Summit 2023 - Holly CUMMINS (Red Hat) et Philippe ENSARGUET (Orange) - #S05EP31

podcast 2023-11-12 holly cummins all sorts

🎤 Dans cette nouvelle mini-série dédiée à notre Summit qui se tient les 7 et 8 décembre prochains en hybride, nous avons aujourd’hui le…

The necessary death of software systems

blog 2023-10-31 holly cummins spooking

Sometimes, death is a feature, not a defect It’s Hallowe’en! Let’s talk about mortality, death gods, and zombies. I know, I know, you…

The Vroom Model, or Why Naming is The Hardest Problem In Computer Science

blog 2023-10-30 holly cummins sustainability

TL;DR If you’re looking for the talk where I describe the Vroom Model, the best source is this GOTO Aarhus talk. You might also like to…

Expert Talk: The Current State of Software Engineering • Jez Humble & Holly Cummins • GOTO 2023

interview 2023-10-24 jez humble and holly cummins software development

This interview was recorded at GOTO Aarhus for GOTO Unscripted. #GOTOcon #GOTOunscripted #GOTOaarhttp://gotopia.techRead the full…

The future of development: Are our jobs getting harder or easier?

talk 2023-10-21 holly cummins software development

In the early days of computing, software developers had to encode their programs on punch cards, and carry the bits around by hand. By the…

8 Talk Title Mistakes We've All Made

blog 2023-10-12 holly cummins presentation skills

Why crafting a good presentation title is annoyingly important, and annoyingly hard I hate choosing titles for my talks. Titles have to be…

Creating Custom QR Codes

blog 2023-10-09 holly cummins presentation skills

Last week, I was at Devoxx Belgium. It was great, and I learned loads. I also have a big list of talks to go look up later. Some talks I…

Tradeoffs, Bad Science, and Polar Bears – The World of Java Optimisation

talk 2023-10-05 holly cummins java

Welcome to the Java optimisation jungle. Why can’t we “just make it go faster”? It turns out, in most cases, we need to first work out…

So, you want to speak at conferences

blog 2023-09-22 holly cummins presentation skills

Colleagues who’ve noticed that I occasionally abandon my day-job duties and gallivant around at conferences sometimes ask me for conference…

Where Can I Get Pictures for Talks?

blog 2023-08-29 holly cummins presentation skills

Should your talk have images? Yes! Lots! Before going further, stop reading this and go read the Noun Project primer on visual design for…

Pact Contract Testing for Quarkus

livestream 2023-07-26 Mala Gupta and holly cummins testing

Every time you change one microservice, others break. But you had unit tests! What’s going on? Unfortunately, unit tests aren’t enough to…

Tame Microservices with Contract Testing

talk 2023-07-12 Holly Cummins microservices

Every time you change one microservice, the others break. But you had unit tests! What’s going on? Unit tests aren’t enough to give system…

How to avoid common pitfalls with modern microservices testing

talk 2023-07-04 Eric Deandrea and Holly Cummins microservices

Have you ever wondered why your microservices break in production after all the tests have passed during CI/CD? Have you ever wondered if…

Faster, greener, and happier- why Quarkus should be your next tech stack

talk 2023-06-27 Holly Cummins quarkus

Java never went away, but it’s having a renaissance. After some initial teething pains on the cloud (too big, too slow, too hard to…

Cloud Native Development With Quarkus (masterclass)

talk 2023-06-26 Holly Cummins cloud native

Cloud native development means running on the cloud (obviously), releasing on a rapid cadence, and automated testing, so that you have the…

The Importance of Fun in the Workplace

talk 2023-06-23 Holly Cummins fun

An in-depth look at what makes software development a roller coaster where the highs of 0 compiler warnings are quickly cancelled out by the…

Cloud Chaos and Microservices Mayhem

talk 2023-06-22 Holly Cummins cloud native

The cloud is just someone else’s data center, but it has fundamentally changed how we design software and what we expect from our platforms…

Uh, Does This Thing Actually Work? Modern Microservices Testing

talk 2023-06-21 Holly Cummins testing

To realise the promise of microservices, individual services must be independently deployable, and they should be deployed often. But that’s…

These Five Tricks Can Make Your Apps Greener, Cheaper, & Nicer

talk 2023-06-21 Holly Cummins sustainability

The code we write has a climate impact. But how big is that impact? How do we measure it? How do we reduce it? Is the cloud helping? What’s…

Quarkus and Contract Tests with Holly Cummins

livestream 2023-06-08 Oleg Šelajev and holly cummins testing

Our guest today is Holly Cummins, a Java Champion, developer, author, and a Senior Principal Software Engineer at Red Hat working on Quarkus…

Redis, Quarkus, OpenShift From Cache to Modern Apps at Scale

talk 2023-06-06 clement escoffier, luigi fugaro, and holly cummins quarkus

Redis, Kubernetes OpenShift, and the Quarkus Java stack is a powerful combo for deploying highly available, clustered databases at scale.

Cloud Native Development With Quarkus (masterclass)

talk 2023-05-26 Holly Cummins cloud native

Cloud native development means running on the cloud (obviously), releasing on a rapid cadence, and automated testing, so that you have the…

These Five Tricks Can Make Your Apps Greener, Cheaper, & Nicer

talk 2023-05-24 Holly Cummins sustainability

The code we write has a climate impact. But how big is that impact? How do we measure it? How do we reduce it? Is the cloud helping? What’s…

Quarkus 3 Technical Spotlight: Pact contract testing with Holly Cummins

video 2023-05-23 holly cummins testing

Using Pact and Quarkus to Tame Microservices Testing

blog 2023-05-15 holly cummins testing

In a microservices architecture, making sure each microservices works is (relatively) easy. The microservices are usually small, and easy to…

Holly Cummins at Devoxx UK: How Would the Business Benefit from Your Greener Java Application?

media 2023-05-13 Olimpiu Pop sustainability

At her Devoxx UK presentation, Holly Cummins, senior software principal engineer at Redhat, presented approaches that could make Java…

How to avoid common pitfalls with modern microservices testing

talk 2023-05-11 Eric Deandrea and Holly Cummins microservices

Have you ever wondered why your microservices break in production after all the tests have passed during CI/CD? Have you ever wondered if…

Writing Greener Java Applications

talk 2023-05-10 Holly Cummins sustainability

The code we write has a climate impact. But how big is that impact? How do we measure it? How do we reduce it? Is the cloud helping? What’s…

Contract testing with Pact and Quarkus

talk 2023-05-04 Holly Cummins microservices

Every time you change one microservice, the others break. But you had unit tests! What’s going on? Unit tests aren’t enough to give system…

Wicked Good Development Episode 32: Java Queens at Devnexus 2023

podcast 2023-04-28 Kadi Grigg careers

Kadi Grigg and Theresa Mammarella sit down for a conversation with Erin Schnabel, Emily Jiang, Mary Gygleski, and Holly Cummins at Devnexus…

Resources for Writing Quarkus Extensions

blog 2023-04-20 holly cummins quarkus

I’m sometimes asked for a list of resources for writing Quarkus extensions. It’s a topic I’ve been meaning to write more about, but I haven…

Writing Greener Java Applications

talk 2023-04-14 Holly Cummins sustainability

The code we write has a climate impact. But how big is that impact? How do we measure it? How do we reduce it? Is the cloud helping? What’s…

Redis: du cache à la time series!

talk 2023-04-12 Holly Cummins quarkus

Redis est devenu extrêmement populaire. Redis est souvent utilisé comme solution de cache ou pour stocker les sessions utilisateurs. Mais…

How to avoid common pitfalls with modern microservices testing

talk 2023-04-05 Eric Deandrea and Holly Cummins microservices

Have you ever wondered why your microservices break in production after all the tests have passed during CI/CD? Have you ever wondered if…

Happy Path podcast

podcast 2023-04-05 james ward and bruce eckel and holly cummins quarkus

Duke's Corner podcast

podcast 2023-04-03 Jim Grisanzio and holly cummins all sorts

In this conversation Oracle’s Jim Grisanzio talks with Holly Cummins about her passion for being “in the engine room of Java” in that she’s…

Why Cloud Zombies Are Destroying the Planet and How You Can Stop Them

media 2023-03-31 Steef-Jan Wiggers sustainability

At QCon London, Holly Cummins, Quarkus Senior Principal Software Engineer at RedHat, talked about how utilization and elasticity relate to…

Why Cloud Zombies Are Destroying the Planet and How You Can Stop Them

talk 2023-03-29 Holly Cummins sustainability

Wait, zombies? Really? Zombies are servers which aren’t doing useful work. They’re everywhere, costing money, eating electricity, and…

Expert Talk: War Stories from Moving to the Cloud • Holly Cummins & Lorna Jane Mitchell • GOTO 2022

interview 2023-03-14 Lorna Jane Mitchell and holly cummins cloud

This interview was recorded for GOTO Unscripted at GOTO Copenhagen. #GOTOcon #GOTOunscripted #GOTOcphhttp://gotopia.techRead the full…

Why Your Desk is the Worst Place to Work, and Other Life Lessons from a Lazy Developer

blog 2023-03-09 holly cummins innovation

Quarkus Insights #117: Contract Testing with Pact and Quarkus

livestream 2023-02-13 holly cummins microservices

Holly Cummins discusses how contract tests combine the lightness of unit tests with the confidence of integration tests, and should be part…

Pecha Kucha: Making IT Greener

talk 2023-02-09 Holly Cummins sustainability

What’s a Pecha Kucha? It’s a talk format of 20 slides, displayed for 20 seconds each. The slides auto-advance, so the whole talk lasts…

Cloud Chaos and Microservices Mayhem

talk 2023-02-08 Holly Cummins cloud native

The cloud is just someone else’s data center, but it has fundamentally changed how we design software and what we expect from our platforms…

Writing Greener Java Applications

talk 2023-01-19 Holly Cummins sustainability

The code we write has a climate impact. But how big is that impact? How do we measure it? How do we reduce it? Is the cloud helping? What’s…

Modern Java runtimes: No Regrets energy efficiency with Quarkus and GraalVM - A Redmonk Conversation

webcast 2022-12-15 james governor and holly cummins sustainability

In this video we talk to Red Hat’s Holly Cummins about modern Java runtimes and how they can make your software and systems more efficient…

Sustainable Software and Systems: Lightswitch Ops for the Triple Win - A RedMonk Conversation

webcast 2022-12-15 james governor and holly cummins sustainability

In this video I talk to Red Hat’s Holly Cummins about sustainability, the imperatives for greener software, and how to achieve it with…

Sustainable software and systems, efficiency and the triple win. Policy, progress, and modern Java runtimes like Quarkus.

blog 2022-12-15 James Governor sustainability

The imperative for more sustainable and power efficient applications and systems is stronger than ever. Not only is the green agenda…

The Cloud Should be Fun … and if not, you're probably doing it wrong

talk 2022-12-13 Holly Cummins fun

Some days, everything seem like it’s hard, and getting harder. Credentials, and configurations, and audits, and provisioning, and checklists…

Nine Ways To Fail at Cloud Native

talk 2022-12-01 Holly Cummins cloud native

Cloud native – the perfect recipe for innovation, adaptability, and engineering excellence. Right? Well, when it goes right. When it goes…

Tradeoffs, Bad Science, and Polar Bears – The World of Java Optimisation

talk 2022-11-30 holly cummins java

Welcome to the Java optimisation jungle. Why can’t we “just make it go faster”? It turns out, in most cases, we need to first work out…

The Importance of Fun in the Workplace

talk 2022-11-29 Holly Cummins fun

An in-depth look at what makes software development a roller coaster where the highs of 0 compiler warnings are quickly cancelled out by the…

Expert Talk: Cloud Chaos & How Contract Tests Can Help • Holly Cummins & Kevlin Henney • GOTO 2022

podcast 2022-11-25 Kevlin Henney and holly cummins cloud native

This interview was recorded at GOTO Amsterdam 2022 for GOTO Unscripted. #GOTOcon #GOTOunscripted #GOTOams

How to write greener Java applications

blog 2022-11-11 no author sustainability

There is a need to reduce the impact of the software industry on the environment. Read to discover more about how Quarkus reduces carbon…

Cloud Chaos and Microservices Mayhem

talk 2022-11-02 Holly Cummins cloud native

The way we use Java has changed. Applets - or any browser-side Java - are a long, long, time ago. Java moved to the back end, and stayed…

Writing Greener Java Applications

talk 2022-11-02 Holly Cummins sustainability

The code we write has a climate impact. But how big is that impact? How do we measure it? How do we reduce it? Is the cloud helping? What’s…

The Sad Case of the Tech T-Shirt (Fashion and Programming, part ii)

blog 2022-11-01 holly cummins women in tech

A year or two ago, I wrote about the connection between fashion and programming. For reasons I don’t totally understand, it’s my second most…

Innovation Anti-patterns

blog 2022-10-28 holly cummins innovation

In a world where there’s always too much to do and too little time, how can organisations make time to innovate? (Spoiler: siloes probably…

Tradeoffs, Bad Science, and Polar Bears – The World of Java Optimisation

talk 2022-10-14 holly cummins java

Welcome to the Java optimisation jungle. Why can’t we “just make it go faster”? It turns out, in most cases, we need to first work out…

How to avoid common pitfalls with modern microservices testing

talk 2022-10-13 Eric Deandrea and Holly Cummins microservices

Have you ever wondered why your microservices break in production after all the tests have passed during CI/CD? Have you ever wondered if…

Cloud is about culture, containers, and impact - not data centres

talk 2022-10-12 Holly Cummins cloud native

Talk for Adyen Tech Event 2022.

Cloud Native Development With Quarkus (masterclass)

talk 2022-10-07 Holly Cummins cloud native

Cloud native development means running on the cloud (obviously), releasing on a rapid cadence, and automated testing, so that you have the…

Cloud Chaos and Microservices Mayhem

talk 2022-10-04 Holly Cummins cloud native

The way we use Java has changed. Applets - or any browser-side Java - are a long, long, time ago. Java moved to the back end, and stayed…

Expert Talk: Cloud Chaos & How Contract Tests Can Help • Holly Cummins & Kevlin Henney • GOTO 2022

interview 2022-10-04 Kevlin Henney and holly cummins cloud native

This interview was recorded at GOTO Amsterdam 2022 for GOTO Unscripted. #GOTOcon #GOTOunscripted #GOTOams https://gotopia.tech Read the full…

Cloud Chaos and Microservices Mayhem

talk 2022-10-01 Holly Cummins cloud native

The cloud is just someone else’s data center, but it has fundamentally changed how we design software and what we expect from our platforms…

Innovation Anti-patterns: Bonkers Beans and Magic Numbers

talk 2022-09-30 Holly Cummins innovation

The innovation fizzle, the fauxnnovation, the maximal viable product. Holly’s seen them all. In a world where there’s always too much to do…

Refactor This Podcast - vFunction

podcast 2022-09-15 oliver white and holly cummins microservices

Refactor This by vFunction brings the world of app modernization into the spotlight through friendly conversations with industry luminaries.

Uh, Does This Thing Actually Work? Modern Microservices Testing

talk 2022-08-31 holly cummins microservices

To realise the promise of microservices, individual services must be independently deployable, and they should be deployed often. But that’s…

Tradeoffs, Bad Science, and Polar Bears – The World of Java Optimisation

talk 2022-08-23 holly cummins java

[Charity conference for Ukraine] Welcome to the Java optimisation jungle. Why can’t we “just make it go faster”? It turns out, in most cases…

Hackerstations: clean and minimalistic setup in London, UK

blog 2022-08-11 holly cummins remote working

Quarkus Insights #98: Using Minecraft as an Observability client

webinar 2022-08-08 Georgios Andrianakis and holly cummins quarkus

In Quarkus Insights Ep.98 Holly Cummins joins the team to discuss her Quarkus observability demo that uses Minecraft as a client.

Around IT in 256 seconds #81: Quarkus: supersonic, subatomic Java

podcast 2022-08-05 Tomasz Nurkiewicz and Holly Cummins quarkus

Author: Holly Cummins

Amigas: programar software no es más difícil que aprender idiomas

media 2022-07-23 Lluís Amiguet women in tech

Qué hace para ganarse la vida? Explíquenoslo a mi abuelo y a mí. Soy ingeniera de programación informática en Quarkus. Habrá oído hablar del…

Why You Can't Buy Cloud Native

talk 2022-07-19 holly cummins cloud native

The virtual shelves are filled to bursting with cloud native technologies; containers, runtimes, CI pipelines, observability tools. The more…

Stackd 59: Holly Cummins, Quarkus, IBM, and the Garage

podcast 2022-07-18 Kito Mann, Daniel Hinojosa, and Josh Juneau all sorts

Kito, Danno, and Josh welcome special guest Holly Cummins, Senior Principal Software Engineer on the Quarkus team at Red Hat and fellow Java…

Getting Into and Testing Microservices

podcast 2022-07-12 Darko Fabijan microservices

Senior Principal Software Engineer Holly Cummins teaches us about microservice architecture and how to test it.

mcd: the missing shell command

blog 2022-06-24 Holly Cummins unix

Eight years ago, my MacBook suffered a catastrophic hard drive failure. Of course, I was no fool. I had everything backed up to our…

How to draw when you can’t draw, part ii: no really, how to draw

blog 2022-06-17 holly cummins presentation skills

In part i, I explained why I started drawing despite not having much artistic talent. Practice has helped me move from ‘totally inept’ to…

How to draw when you can’t draw, part i: a growth mindset story

blog 2022-06-16 holly cummins presentation skills

I’ve never been particularly artistic. As a kid, like all young children, I liked drawing. At some point, probably once I started having art…

Cloud Chaos and Microservices Mayhem

talk 2022-06-15 Holly Cummins cloud native

The way we use Java has changed. Applets - or any browser-side Java - are a long, long, time ago. Java moved to the back end, and stayed…

Why You Can't Buy Cloud Native

talk 2022-06-07 holly cummins cloud native

The virtual shelves are filled to bursting with cloud native technologies; containers, runtimes, CI pipelines, observability tools. The more…

Why you're missing out if you're not making Quarkus extensions

talk 2022-06-07 Georgios Andrianakis and Holly Cummins quarkus

Do I need an extension? And how do I write it? Extensions are a great way of enabling your favourite library to fully take advantage of…

Innovation Anti-patterns: Bonkers Beans and Magic Numbers

talk 2022-06-03 Holly Cummins innovation

The innovation fizzle, the fauxnnovation, the maximal viable product. Holly’s seen them all. In a world where there’s always too much to do…

Why You Can't Buy Cloud Native

talk 2022-05-19 holly cummins cloud native

The virtual shelves are filled to bursting with cloud native technologies; containers, runtimes, CI pipelines, observability tools. The more…

Tradeoffs, Bad Science, and Polar Bears – The World of Java Optimisation

talk 2022-05-13 holly cummins java

Welcome to the Java optimisation jungle. Why can’t we “just make it go faster”? It turns out, in most cases, we need to first work out…

Present and Future of the Microservice Architecture

webinar 2022-05-13 Chris Richardson, Dave Farley, Glenn Engstrand, and Holly Cummins microservices

The panelists reflect on various microservices topics.

The Future of Java

talk 2022-05-11 holly cummins java

Seven Ways to Fail at Microservices with Holly Cummins

podcast 2022-05-10 holly cummins microservices

Implementing microservices is really challenging, and there are many ways to fail. Holly Cummins has identified seven ways to fail at…

SRE: The Good, The Bad, and the Ouch

talk 2022-04-28 holly cummins SRE

SRE sounds like a plan with no drawbacks … but making it work in practice can be trickier than the theory says. This talk shares stories of…

Could new software tools make anyone a programmer?

media 2022-04-28 Adrian Bridgwater software development

The development of low-code and no-code systems makes it far easier to create new software, with benefits for both amateurs and…

tradeoffs, bad science, and polar bears: the world of java optimisation

talk 2022-04-14 holly cummins java

Welcome to the Java optimisation jungle. Why can’t we “just make it go faster”? It turns out, in most cases, we need to first work out…

A Farewell to IBMs

blog 2022-03-25 holly cummins meta

Twenty one years ago I was heading into the Hampshire countryside for a job interview. I was a little graduate student, exploring…

マイクロサービスに失敗する7つの方法

blog 2022-02-27 holly cummins (translated by H Yoshida) microservices

昨年 11 月の QCon Plus、私は、マイクロサービスがうまくいかない理由について講演しました。取り上げた問題は私の経験に基づくものであると同時に、残念なことに、現場で何度も目にするものでもあります。

简历驱动开发？微服务中的几种失败路径_文化

blog 2022-02-26 holly cummins cloud native

简历驱动开发？微服务中的几种失败路径本文要点：微服务是一种手段而非目标分布式并不能确保解耦性契约测试在所有微服务架构中都是重要组成部分前

GitOps in Regulated Industries Webinar

blog 2022-02-23 holly cummins, ian miell, daniel jones, and jamie dobson devops

Ian Miell, Daniel Jones, Holly Cummins, and Jamie Dobson discuss the rewards and challenges of GitOps in regulated industries.

7 Façons D'échouer Dans Les Microservices

blog 2022-02-18 holly cummins (translated by jean-michel doudoux) microservices

Lors de QCon Plus en novembre dernier, j’ai présenté certaines des façons dont les microservices peuvent mal tourner. Ces problèmes sont…

7 Ways to Fail at Microservices

blog 2022-02-14 holly cummins microservices

At QCon Plus last November, I presented some of the ways microservices can go wrong. These problems are based on my experience – which…

Is your innovation funnel an innovation fizzle?

blog 2022-02-03 holly cummins innovation

World-changing ideas don’t seem normal and sensible – at first. They usally teeter somewhere between ‘impossible’ and ‘idiotic’. Take IBM’s…

Why Your Innovation Team May Be Stifling Innovation, and Other Strategy Lessons From Peas

blog 2022-01-24 holly cummins innovation

Innovation is great. I think so, I’m sure you think so, and I suspect we all think so. Innovation is good for business, and it’s good for us…

(Developer) Joy to the World

blog 2021-12-21 holly cummins fun

I love this time of year. There are so many celebrations, both new (Kwanzaa) and ancient (Winter Solstice). My friends’ timelines become a…

What How Why - Quantum explained

webinar 2021-12-16 holly cummins and james wootton quantum

IBM is working with businesses embracing new challenges and part of this investment is focused on high quality STEM education.

Bonkers Beans and Magic Numbers: Innovation in a Changing World

talk 2021-11-23 Holly Cummins innovation

Where do ideas come from? How to make time to innovate Have you got an innovation funnel or an innovation fizzle? How to design your MVP…

How this site is built

blog 2021-11-15 holly cummins meta

A long time ago, I used to write semi-regularly on Blogger. But then I stopped. What was up? Was it that I wasn’t making time to write? Was…

Why You Can’t Buy Cloud Native

talk 2021-11-04 Holly Cummins cloud native

The virtual shelves are filled to bursting with cloud native technologies; containers, runtimes, CI pipelines, observability tools. The more…

A Journey to Automation from Observability to Sustainability

webinar 2021-11-04 mike barry and 4 other panellists sustainability

Why I never want to build another MVP

blog 2021-11-02 holly cummins innovation

Holly Cummins, Innovation Leader at IBM, discusses the benefits and challenges of building minimum viable products (MVPs).

7 ways to fail at microservices

talk 2021-11-01 Holly Cummins microservices

We all know the promise of microservices - organisational, agility, decoupling, pizza lunches, autonomy, fewer meetings. Some organisations…

SRE: The Good, The Bad, and the Ouch

talk 2021-10-19 Holly Cummins SRE

SRE sounds like a plan with no drawbacks … but making it work in practice can be trickier than the theory says. This talk shares stories of…

Our Digital Futures

talk 2021-10-12 Holly Cummins software development

This presentation was given to year 7 - 10s as part of an Ada Lovelace digital + tech day.

The Adventurer’s Guide To Breaking Production

talk 2021-09-28 Holly Cummins software development

This was a keynote commissioned for a private client conference.

Tradeoffs, Bad Science, and Polar Bears - The World of Java Optimisation

talk 2021-09-28 Holly Cummins java

Welcome to the Java optimisation jungle. Why can’t we “just make it go faster”? It turns out, in most cases, we need to first work out…

Software Engineering Unlocked: Driving innovation and engineering practices

podcast 2021-09-28 holly cummins all sorts

In this episode, I talk to Dr. Holly Cummins. Holly was the development practice lead for IBM Garage for Cloud, before becoming an…

Nine ways to fail at cloud native and how to avoid them

podcast 2021-08-31 dan bettinger and holly cummins cloud native

Cloud native is a perfect recipe for innovation, adaptability, and engineering excellence … when it goes right. Dr. Holly Cummins outlines…

Nine Ways To Fail at Cloud Native

talk 2021-08-17 Holly Cummins cloud native

As a developer in IBM’s Cloud Garage, Holly Cummins works with customers who are trying to shift their businesses to the cloud, and to cloud…

Trade-Offs, Bad Science, and Polar Bears—The World of Java Optimization

talk 2021-07-29 Holly Cummins java

Why can’t we “just make it go faster”? First we need to work out “Faster for whom?” and “Why?”…and “What even is faster?” Holly Cummins…

DevOps and Cloud InfoQ Trends Report - July 2021

media 2021-07-19 steef-jan wiggers cloud

This article summarizes how we see the “cloud computing and DevOps” space in 2021.

WTF is Cloud Native Quantum?

blog 2021-07-05 Holly Cummins quantum

Quantum computers represent an extraordinary feat of engineering. Dr Holly Cummins explains their potential, how they work, why they are…

Cloud Tech Thursdays: How To Love Kubernetes and Not Wreck The Planet

podcast 2021-06-10 holly cummins, chris short and amy marrich sustainability

Cloud Tech Thursday explores the full modern open source cloud stack, from hardware to serverless. Learn about new ideas, projects, and…

Cloud Native is about Culture, not Containers

talk 2021-06-02 Holly Cummins cloud native

As a developer in the IBM Garage, Holly Cummins works with customers who are trying to shift their businesses to the cloud, and to cloud…

In the Open with Luke and Joe | Holly Cummins | Innovation Leader (a podcast, but with pictures)

podcast 2021-05-14 holly cummins all sorts

Please join us for a conversation with IBM Innovation Leader Holly Cummins.

Cloud Native is about Culture, not Containers

talk 2021-05-12 Holly Cummins cloud native

As a developer in the IBM Garage, Holly Cummins works with customers who are trying to shift their businesses to the cloud, and to cloud…

How To Love Kubernetes and Not Wreck The Planet

talk 2021-05-10 Holly Cummins sustainability

The past five years have been the warmest since records began. Human activity, including the IT industry, is driving worrying climate change…

WTF Does Tech Have to Do With the Planet?

blog 2021-04-30 Holly Cummins sustainability

Our industry consumes around 1% or 2% of the world’s energy. If you consider the broader IT industry, our energy usage is higher still.

The InfoQ Podcast: Software Architecture and Design InfoQ Trends Report—April 2021

podcast 2021-04-19 Daniel Bryant, Holly Cummins, Eran Stiller, and Thomas Betts software development

An overview of how the InfoQ editorial team sees the Software Architecture and Design topic evolving in 2021, with a focus on what…

Software Architecture and Design InfoQ Trends Report—April 2021

blog 2021-04-19 Daniel Bryant, Holly Cummins, Eran Stiller, and Thomas Betts software development

An overview of how the InfoQ editorial team sees the Software Architecture and Design topic evolving in 2021, with a focus on what…

Serverless doesn't have servers, except when it does

blog 2021-04-15 holly cummins cloud

There are only two hard things in Computer Science: cache invalidation and naming things.                         — Phil Karlton…

The Cloud Should Be Fun - and If It’s Not You’re Probably Doing It Wrong

talk 2021-04-14 Holly Cummins cloud native

Is the cloud a fun place? Does the question even make sense? Is fun at work possible? As a consultant with the IBM Garage, Holly has seen…

When TDD gets hard

blog 2021-04-14 holly cummins software development

Test-driven development (TDD) is a core IBM Garage practice. It provides the foundation for the other practices such as continuous delivery…

Scaling your enterprise innovation with start-up speed

blog 2021-04-01 Sabine VanderLinden and holly cummins ibm garage

Practical strategies to accelerate the delivery of your future growth initiatives A collaborative chat between Sabine VanderLinden – CEO…

Cloud-Native Is about Culture, Not Containers

blog 2021-03-17 holly cummins cloud native

At QCon London last year, Holly Cummins, innovation leader in IBM Corporate Strategy provided a session titled: Cloud-Native is about…

What do fashion and programming have to do with one another?

blog 2021-03-10 holly cummins fashion

Last night I dreamt that Roger Daltry’s wife told me to write about fashion and programming. We were in a small skate-punk shop. It was…

IBM Developer Lead: What Software Does Next

media 2021-02-18 Adrian Bridgwater ibm garage

Working to try and anticipate what comes next, how to harness current programming methodologies and build software for tomorrow and the day…

Coronavirus: Managing software development during lockdown

media 2021-02-17 Adrian Bridgwater remote working

The Computer Weekly Developer Network (CWDN) examines the impact of the Covid-19 coronavirus on the software application development…

The great microphone face-off, or 'how I spent lots of money in 2020'

blog 2021-02-11 holly cummins remote working

The past year saw an unprecedented flourishing of “photos of home offices,” “recommendation threads for microphones,” and “microphone review…

Cloud Chaos and Microservices Mayhem

talk 2021-02-09 Holly Cummins cloud native

The way we use Java has changed. Applets - or any browser-side Java - are a long, long, time ago. Java moved to the back end, and stayed…

Programming in the pandemic: personal insights & professional process - CW Developer Network

media 2021-02-03 Adrian Bridgwater remote working

The Computer Weekly Developer Network examines the impact of Covid-19 on the software application development community. With only a…

Remote working: 10 lessons leaders should apply in 2021

blog 2021-01-11 holly cummins remote working

In 2019, the Enterprisers Project made a number of end-of-year predictions: One of them was that remote work would increase in 2020. It did…

No, Really, Cloud Native Is About Culture, Not Containers

blog 2021-01-10 Holly Cummins cloud native

For most of 2019 and 2020, I felt uneasy and slightly guilty about the Cloud Native Computing Foundation’s definition of ‘Cloud Native’. The…

Want to Save the World? Start by Cutting Your Cloud Costs

media 2021-01-06 Jennifer Riggins sustainability

How the IT sector can minimize the damage it does to the earth’s climate.

97 Things Every Cloud Engineer Should Know

book 2020-12-31 Emily Freeman and Nathen Harvey cloud

If you create, manage, operate, or configure systems running in the cloud, you’re a cloud engineer—even if you work as a system…

WTF is Culture In Cloud Native

talk 2020-12-15 Holly Cummins cloud native

In this WTFinar, Holly Cummins, Worldwide Development Leader at IBM Garage, discussed these and other pressing questions (WTFs and others…

WTF is Cloud Native Culture (Container Solutions WTFinar)

webinar 2020-12-15 jamie dobson and holly cummins cloud native

It’s really easy to spin up a project in the cloud these days. So easy, millions of abandoned apps are actually contributing to global…

Cloud Chaos and Microservices Mayhem

talk 2020-12-04 Holly Cummins cloud native

The way we use Java has changed. Applets - or any browser-side Java - are a long, long, time ago. Java moved to the back end, and stayed…

The Cloud Should Be Fun - and If It’s Not You’re Probably Doing It Wrong

talk 2020-11-24 holly cummins cloud native

Is the cloud a fun place? Does the question even make sense? Is fun at work possible? As a consultant with the IBM Garage, Holly has seen…

How to Love Kubernetes and Not Wreck The Planet Part I: Elasticity and Utilization

blog 2020-11-06 holly cummins sustainability

I gave a keynote at KubeCon Europe. Our community should be thinking about climate change and how kubernetes impacts the climate when it is…

How to Love Kubernetes and Not Wreck The Planet Part II: Revenge of the Zombies

blog 2020-11-06 holly cummins sustainability

What are the climate impacts of our technology habits? Part I of this blog discusses the importance of multi-tenancy, utilisation, and…

How to work in Tech and Not Wreck The Planet

talk 2020-11-04 Holly Cummins sustainability

The world is changing. The past five years have been the warmest since records began. Human activity, including the IT industry, is driving…

Cloud Chaos and Microservices Mayhem

talk 2020-11-03 Holly Cummins cloud native

The way we use Java has changed. Applets - or any browser-side Java - are a long, long, time ago. Java moved to the back end, and stayed…

Stack Overflow Podcast 283: Cleaning up the cloud to help fight climate change

podcast 2020-11-03 holly cummins sustainability

It’s really easy to spin up a project in the cloud these days. So easy, millions of abandoned apps are actually contributing to global…

Nine Ways To Fail at Cloud Native

talk 2020-11-02 Holly Cummins cloud native

As a developer in IBM’s Cloud Garage, Holly Cummins works with customers who are trying to shift their businesses to the cloud, and to cloud…

Blood-curdling tales of microservices misadventure, devops dread, and grisly governance

talk 2020-10-29 Holly Cummins cloud native

Cloud native – the perfect recipe for innovation, adaptability, and engineering excellence. Right? Well, when it goes right. When it goes…

Cloud Chaos and Microservices Mayhem

talk 2020-10-23 holly cummins cloud native

The way we use Java has changed. Applets - or any browser-side Java - are a long, long, time ago. Java moved to the back end, and stayed…

How - and why - to modernize your scruffy old Java applications

talk 2020-10-15 holly cummins java

Once upon a time, that application was great - it was built using the latest technology, it was easy to understand, users loved it. Now, not…

KubeCon + CloudNativeCon Europe 2020 Keynote Summary

media 2020-08-30 daniel bryant sustainability

The annual KubeCon + CloudNativeCon Europe event ran as a virtual conference in August. Key takeaways included: there is an increasing…

How to Love K8s and Not Wreck The Planet

talk 2020-08-17 Holly Cummins sustainability

The past five years have been the warmest since records began. Human activity, including the IT industry, is driving worrying climate change…

People, Planet, Clouds

blog 2020-07-09 holly cummins sustainability

The world is changing. The cloud gives us dazzling computational possibilities, and … potentially uses a lot of energy. As climate change…

Using Lease Resources to Manage Concurrency in Tekton Builds

blog 2020-07-09 holly cummins devops

I’ve recently started using Tekton as my main build system. In combination with Argo CD for GitOps management of the pipeline scripts, it…

How to Become an IBM Garage Developer

blog 2020-06-26 holly cummins hiring

The IBM Garage is a highly dynamic, multi-disciplinary consulting practice working with clients and partners of any size across all…

The Climate Service + IBM Garage: Weathering Disruption to Deliver Results

video 2020-05-04 IBM sustainability

97 Things Every Java Programmer Should Know

book 2020-05-01 Trisha Gee and Kevlin Henney java

If you want to push your Java skills to the next level, this book provides expert advice from Java leaders and practitioners. You’ll be…

Cloud Native is about Culture, not Containers

talk 2020-03-02 holly cummins cloud native

As a developer in IBM’s Cloud Garage, Holly Cummins works with customers who are trying to shift their businesses to the cloud, and to cloud…

Nine Ways to Fail At Cloud Native

blog 2020-02-26 holly cummins cloud native

Cloud native is the perfect recipe for innovation, adaptability and engineering excellence – when it goes right. When it’s not right, it can…

仕事場における楽しさの重要性

media 2020-02-03 Ben Linders (translated by 西村 美沙) fun

仕事において笑顔になることや、笑ってしまうことはチームの団結、生産性、組織のパフォーマンスを証明してくれる。楽しさは強制できるものではないが、促進できるものであると Holly Cummins 氏は FlowCon France 201…

Garbage Collection Is Your Friend

blog 2020-02-03 holly cummins java

Poor old garbage collection. One of the unsung heroes of Java, often blamed, rarely praised. Before Java made garbage collection mainstream…

The Importance of Fun in the Workplace (Interview)

media 2019-12-19 holly cummins fun

Things at work that make us smile or laugh can improve team cohesion, productivity and organisational performance. Fun can’t be forced, but…

The Importance of Fun in the Workplace

talk 2019-12-12 Holly Cummins fun

An in-depth look at what makes software development a roller coaster where the highs of 0 compiler warnings are quickly cancelled out by the…

People, Planet, Clouds

talk 2019-11-23 holly cummins sustainability

The world is changing. The cloud gives us dazzling computational possibilities, and … potentially uses a lot of energy. As climate change…

The Importance of Fun in the Workplace

talk 2019-11-13 holly cummins fun

An in-depth look at what makes software development a roller coaster where the highs of 0 compiler warnings are quickly cancelled out by the…

Cloud Native is about Culture, not Containers

talk 2019-10-21 Holly Cummins cloud native

As a developer in IBM’s Cloud Garage, Holly Cummins works with customers who are trying to shift their businesses to the cloud, and to cloud…

Nine Ways To Fail at Cloud Native

talk 2019-10-07 Holly Cummins cloud native

Cloud native – the perfect recipe for innovation, adaptability, and engineering excellence. Right? Well, when it goes right. When it goes…

Java Should Feel Fun

blog 2019-08-21 holly cummins fun

I started my Java career using J2EE 1.2. I had questions: Why were there four classes and hundreds of lines of generated code for each bean…

Creativity in the Age of Quantum Computing

talk 2019-07-18 Holly Cummins quantum

It’s very unlikely that we are going to have quantum computers at home anytime soon (if that ever happens) but this type of computation…

Tales From The DevOps Transformation Trenches

talk 2019-06-25 Holly Cummins devops

The Future of Work is (More) Fun - Part 2 - IBM UK Blog

blog 2019-06-20 holly cummins fun

Automation eliminates toil When the printing press was invented, it almost immediately eliminated the arduous practice of copying books by…

The Future of Work is (More) Fun - Part 1 - IBM UK Blog

blog 2019-06-20 holly cummins fun

The evidence that fun boosts productivity is compelling. A happy work environment means fewer sick days, harder work, and greater…

The importance of fun in the workplace

talk 2019-06-11 holly cummins fun

A shorter version of https://www.slideshare.net/HollyCummins/software-developers-guide-to-fun-in-the-workplace-euphoria-despite-the-despair…

The Importance of Fun in the Workplace

talk 2019-05-14 holly cummins fun

An in-depth look at what makes software development a roller coaster where the highs of 0 compiler warnings are quickly cancelled out by the…

Cats, Qubits, and Clouds - The Quantum Future

talk 2019-05-07 Holly Cummins quantum

The classical computer on your lap or housed in your data centre manipulates data represented with a binary encoding. Quantum computers are…

The Importance of Fun in the Workplace

talk 2019-05-01 holly cummins fun

An in-depth look at what makes software development a roller coaster where the highs of 0 compiler warnings are quickly cancelled out by the…

Cats, Qubits, and Clouds - The Quantum Future

talk 2019-04-17 Holly Cummins quantum

The classical computer on your lap or housed in your data centre manipulates data represented with a binary encoding. Quantum computers are…

The Importance of Fun in the Workplace

talk 2019-04-13 holly cummins fun

An in-depth look at what makes software development a roller coaster where the highs of 0 compiler warnings are quickly cancelled out by the…

The Hero's Journey to Cloud: Why Star Wars, Prometheus, and Cloud Are All Interconnected

blog 2019-02-21 holly cummins cloud

In the Cloud Garage, we see some patterns over and over again—an organisation wants to achieve an improvement and realises moving to cloud…

The story of designsparkmarketplace.com

talk 2019-02-12 holly cummins ibm garage

The IBM Cloud Garage worked with RS Components to create designsparkmarketplace.com, a peer to peer maker marketplace. This is the story of…

Cloud Native is about Culture, not Containers

talk 2018-11-19 holly cummins cloud native

As a developer in IBM’s Cloud Garage, Holly Cummins works with customers who are trying to shift their businesses to the cloud, and to cloud…

Cloud Native is about Culture, not Containers

talk 2018-11-12 holly cummins cloud native

As a developer in IBM’s Cloud Garage, Holly Cummins works with customers who are trying to shift their businesses to the cloud, and to cloud…

The Importance of Fun in the Workplace

talk 2018-11-12 holly cummins fun

An in-depth look at what makes software development a roller coaster where the highs of 0 compiler warnings are quickly cancelled out by the…

Cloud Native is about Culture, not Containers

talk 2018-10-29 holly cummins cloud native

As a developer in IBM’s Cloud Garage, Holly Cummins works with customers who are trying to shift their businesses to the cloud, and to cloud…

What Zebrafish Can Teach Us About Healthy Workspaces

blog 2018-10-10 holly cummins mental health

A core part of the IBM Cloud Garage practices is a “sustainable pace.”

Cloud Native is about Culture, not Containers

talk 2018-09-26 holly cummins cloud native

As a developer in IBM’s Cloud Garage, Holly Cummins works with customers who are trying to shift their businesses to the cloud, and to cloud…

Cats, Qubits, and Clouds - The Quantum Future

talk 2018-09-22 Holly Cummins cloud native

The classical computer on your lap or housed in your data centre manipulates data represented with a binary encoding. Quantum computers are…

Gatos, Qubits e Teletransporte: O estranho mundo dos algoritmos quânticos (Parte 3)

blog 2018-09-13 holly cummins (translated by Camilla Albuquerque) quantum

Os mesmos fatores que tornam a teoria quântica tão surpreendente também tornam os computadores quânticos em algo muito difícil para ser…

Gatos, Qubits e Teletransporte: O estranho mundo da computação quântica (Parte 1)

blog 2018-09-06 holly cummins (translated by Marcelo Costa) quantum

Há vinte anos, computadores quânticos eram puramente teóricos e existiam apenas em quadros brancos e em trabalhos acadêmicos. Agora, os…

猫、量子位和远距传动：令人匪夷所思的量子计算世界（第三部分）_语言

blog 2018-07-25 holly cummins quantum

猫、量子位和远距传动：令人匪夷所思的量子计算世界（第三部分）关键要点让量子理论显得如此惊人的因素同样也让得量子计算机在实践中很难实现：量子现象并未在日常生活中表

猫、量子位和远距传动：令人匪夷所思的量子计算世界（第二部分）_语言

blog 2018-07-17 holly cummins quantum

猫、量子位和远距传动：令人匪夷所思的量子计算世界（第二部分）关键要点远距传动是最先被描述的量子信息处理过程之一。它使用纠缠在瞬间远距离传输信息，但它不能用于传送

Cats, Qubits, and Teleportation: The Spooky World of Quantum Computation Applications (Part 3)

blog 2018-07-14 holly cummins quantum

The same factors which make quantum theory so startling also make quantum computers very difficult to implement in practice. This article…

猫、量子位和远距传动：令人匪夷所思的量子计算世界（第一部分）_语言

blog 2018-07-07 holly cummins quantum

猫、量子位和远距传动：令人匪夷所思的量子计算世界（第一部分）关键要点二十年前，量子计算机还只处在理论阶段，只存在于白板和学术论文中。而现在，量子计算机已经在云端

Cats, Qubits, and Teleportation: The Spooky World of Quantum Algorithms (Part 2)

blog 2018-07-06 holly cummins quantum

The relationship between complexity theory, quantum algorithms and machine learning is becoming increasingly important. This article…

Cats, Qubits, and Teleportation: The Spooky World of Quantum Computation (Part 1)

blog 2018-06-29 holly cummins quantum

Twenty years ago, quantum computers were purely theoretical, and existed only on whiteboards and in academic papers. Now, quantum computers…

Cloudy with a Chance of Meatballs: Cloud Surprises for the Java Developer

talk 2018-03-13 holly cummins cloud native

Many businesses are moving to the cloud. This journey to the cloud is in fact a quest, complete with a hero (us!), a call to action, a…

The importance of fun in the workplace

blog 2018-02-13 holly cummins fun