CaSE: Conversations about Software Engineering

New Hosts and Formats, Observability Costs and Training Feb 03, 2025

Sven Johann talks to Heinrich Hartmann and Alexander Heusingfeld about the cost of observability

How Buildings Learn, https://en.wikipedia.org/wiki/HowBuildingsLearn
Big Ball of Mud, http://www.laputan.org/mud/mud.html#BigBallOfMud
Coinbase USD 65M bill from Datadog, https://blog.pragmaticengineer.com/datadog-65m-year-customer-mystery/
Observability by Ben Sigelman, https://medium.com/lightstephq/observability-will-never-replace-monitoring-because-it-shouldnt-eeea92c4c5c9
Charity Majors, GOTO Amsterdam, Observability 2.0, https://www.youtube.com/watch?v=ag2ykPO805M
Hillel Wayne, SRECon Keynote, “Are we really engineers?”, https://www.usenix.org/conference/srecon24emea/presentation/wayne

Chapter Marks:

00:00:00 New hosts, new formats
00:12:40 Observability Costs
00:29:03 Observability Training
01:06:10 Engineering vs. Software Engineering
01:18:03 Wrapping up

Aino Corry on Better Tech Meetings Sep 11, 2023

Sven Johann talks with Aino Corry about better Tech Meetings

Angelo Veltens on Solid May 16, 2022

Lucas Dohmen talks with Angelo Veltens about Solid

Mark Seemann on heuristics for software engineering Mar 14, 2022

Stefan Tilkov talks with Mark Seemann

Chris Richardson on Service Templates and Service Chassis Feb 21, 2022

Chris Richardson and Sven Johann discuss service templates

Chris’ Microservices Patterns website
Chris’ book on Microservices Patterns
Crowdsourcing Technology Governance at Target
Sam Newman, Building Microservices, chapter “Governance and the paved road” and “Governance and the paved road”
Blogpost from Pete Hodgson

Adam Tornhill on Software Design X-Rays Jan 17, 2022

Sven Johann talks with Adam Tornhill about Software Design X-Rays

This interview was recorded for the GOTO Book Club

Chapter Marks:

0:00 Intro
2:54 Behavioral code analysis
8:53 Hotspot analysis and technical debt
14:42 Trends analysis
21:05 System mastery
24:11 Software Design X-Ray
27:18 The more metrics the better?
30:09 Change coupling
33:19 Copy-paste dilemma
42:40 Change coupling gets more expensive with distance
45:20 Team structure visualized in the code
53:52 Outro

Manuel Pais on Team Topologies Oct 25, 2021

Sven Johann talks with Manuel Pais about Team Topologies

Chapter Marks:

00:00 Intro
01:45 The challenge of “two pizza” teams
07:00 The three types of cognitive load
10:48 Measuring cognitive load
16:44 Stream aligned (“two pizza”) teams
21:26 Platform teams
22:54 Enabling teams
24:25 Complicated subsystem teams
26:13 Overcoming common problems of enabling teams
38:21 What do Platform teams do?
53:35 Interaction modes between teams
56:08 Applying team topologies in small organisations
59:51 Closing

Michele Hansen on Customer Interviews and Deploying Empathy Oct 04, 2021

Joy Heron talks with Michele Hansen about customer interviews

Eric Normand on Functional Thinking Jun 21, 2021

Lucas Dohmen talks with Eric Normand

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Chapter Marks:

00:00:15 Introduction
00:06:10 Functional Thinking
00:19:27 Calculations, Actions, Events
00:26:56 Concurrency and Immutability
00:37:05 Immutable Facts and GDPR
00:40:46 Object Oriented and Functional Programming
00:59:30 Type System
01:25:11 Learning from other communities

Nicolas Steenhout on Accessibility Jun 01, 2021

Stefan interviews Nicolas Steenhout on Accessibility

Joy Heron on Responsible Web Applications May 10, 2021

Lucas Dohmen talks with Joy Heron

Alex Bramley on The Art of SLO, Part 3 May 03, 2021

Alex Bramley continuous his conversation with Sven Johann

Chapters:

[00:00:15.00] Welcome and intro
[00:01:12.00] Measurement granularity
[00:12:43.00] Error Budget Policy
[00:32:44.00] Burn rate
[00:49:24.00] Iterating on SLIs, SLOs, error budget policies
[00:55:41.00] Alerting
[01:16:35.00] Outro

Alex Bramley on The Art of SLO, Part 2 Apr 26, 2021

Alex Bramley continuous his conversation with Sven Johann

Chapter Marks

00:00:15 Welcome and intro
00:01:48 Dealing with internal dependencies
00:05:59 Dealing with external dependencies
00:08:33 Dependency trees
00:20:16 SLO communication, teaching and buy-in
00:28:48 How to measure
00:47:34 Measurement windows
00:52:02 SLO Reporting
00:54:39 Outro

Alex Bramley on The Art of SLO, Part 1 Apr 19, 2021

Alex Bramley talks to Sven Johann about the basics of service level objectives

Chapters:

00:00:15 Welcome and intro
00:02:14 Terminology: SLI, SLO, SLA
00:09:05 Cost of a (cloud provider) outage
00:11:22 Reliability and customers happiness
00:20:19 Error Budgets
00:26:31 100% reliability is the wrong target
00:37:44 Collecting data
00:54:31 Latency SLIs
01:09:53 Outro

Simon Brown on Software Architecture Mar 29, 2021

Stefan talks with Simon Brown

Eoin Woods on Bringing Systems into Production and Keeping them there Mar 01, 2021

Sven Johann talks with Eoin Woods

Christin Gorman on Why large projects fail and what to do about it Jan 28, 2021

Stefan Tilkov talks with Christin Gorman

Artur Ortega on GraphQL Jan 04, 2021

Stefan Tilkov talks with Artur Ortega about GraphQL

Markus Völter on Language Engineering Oct 07, 2020

Stefan Tilkov talks with Markus Völter about language engineering

Birgitta Böckeler on Cultivating Architecture Principles Aug 24, 2020

Sven Johann talks with Birgitta Böckeler about Cultivating Architecture Principles

Rachel Andrew on contributing to CSS and CSS Layout May 28, 2020

Joy Heron interviews Rachel Andrew about CSS

Daniel Bryant on Service Meshes and API Gateways for Application Modernization May 07, 2020

Sven Johann talks with Daniel Bryant about Service Meshes & API Gateways

Mike Sperber on Functional Architecture Apr 16, 2020

Stefan Tilkov talks with Mike Sperber about Functional Architecture

Peter Elger on Commodity AI Feb 27, 2020

Sven Johann talks with Peter Elger about Commodity AI

Lars Hupel on Algebraic Design Feb 06, 2020

Lucas Dohmen talks with Lars Hupel about Algebraic Design

Ryan Singer on Shape Up Jan 09, 2020

Stefan Tilkov talks with Ryan Singer about Shape Up

Felienne Hermans on Programming Education Dec 19, 2019

Stefan Tilkov talks with Felienne Hermans about Programming Education

Philippe Kruchten on Managing Technical Debt Jul 08, 2019

Sven Johann talks with Philippe Kruchten about Managing Technical Debt

Sam Newman on Insecure Transit – Microservices Security May 17, 2019

Sven Johann talks with Sam Newman about Microservices Security

Richard Rodger on Message-based, Generic Microservices Feb 19, 2019

Stefan Tilkov talks with Richard Rodger about message-based, generic microservices

Mentoring Engineers with Steve Vinoski Aug 14, 2018

Stefan Tilkov talks with Steve Vinoski about Mentoring Engineers

Micro Frontends with Gustaf Nilsson Kotte Jul 05, 2018

Stefan Tilkov talks with Gustaf Nilsson Kotte about Micro Frontends

Web Frontend with Lucas Dohmen Jun 07, 2018

Joy Clark Talks with Lucas Dohmen about Web Front-end Development

Problem Solving and Clojure 1.9 with Rich Hickey May 03, 2018

Joy Clark talks with Rich Hickey about Clojure and Datomic

Previous Episodes:
- Clojure with Alex Miller
- ClojureScript with David Nolen
Clojure
Clojure Spec
Datomic
Papers
More from Rich Hickey
- Simple Made Easy
- List of all talks

Security and Privacy with Susan Landau Apr 19, 2018

Sven Johann talks with Susan Landau about Security and Privacy

Application Security with Peter Chestna Mar 29, 2018

Joy Clark talks with Peter Chestna about application security

Blockchain Technology with Andreas M. Antonopoulos (Part 2) Mar 22, 2018

Stefan talks with Andreas M. Antonopoulos about Ethereum

Blockchain Technology with Andreas M. Antonopoulos (Part 1) Mar 01, 2018

Stefan talks with Andreas M. Antonopoulos about Bitcoin

Domain-Driven Design with Vaughn Vernon Jan 25, 2018

Joy talks with Vaughn Vernon about Domain-Driven Design

aim42 with Gernot Starke Dec 21, 2017

Joy Clark interviews Gernot Starke about aim42

Advanced Scala with Daniel Westheide Nov 30, 2017

Stefan Tilkov interviews Daniel Westheide about advanced Scala Topics

ClojureScript with David Nolen Nov 09, 2017

Joy Clark interviews David Nolen about ClojureScript

Clojure CaSE Podcast
Google Closure Compiler
The Clojure Script Compiler - A Look Behind the Curtains, Maria Geller
Planck
Lumo
React
Reagent
re-frame
Rum
Om & Om-Next
quiescent
React Native
Google Closure Library
Figwheel
Parinfer
Editors: Atom, Visual Studio Code, Cursive
cljs-devtools
ClojureScript
Slack Channel
#clojure IRC channel on freenode.net
Mailing List
GraphQL
Falcor

Management for Developers with Camille Fournier Oct 19, 2017

Stefan Tilkov interviews Camille Fournier about Management for Developers

Scala with Sofia Vaughn-Jones Sep 14, 2017

Joy Clark talks with Sofia Vaughn-Jones about Scala

Tools
- Sbt
- IntelliJ
- Ensime
- Gatling
Frameworks
- Play
- HTTP4s
- Scalaz
- Cats
- Shapeless
Techniques & Materials
Sofia’s Blog
Talks from Sofia
- Buying into Scala from the Inside and Out
- Adopting Scala: The Next Steps

Microservices with Michele Leroux Bustamante Aug 25, 2017

Stefan Tilkov talks with Michele Bustamante about Microservices

Clojure with Alex Miller Aug 03, 2017

Joy Clark talks with Alex Miller about Clojure

Microservices with Eberhard Wolff Jul 13, 2017

Lucas Dohmen talks with Eberhard Wolff about microservices

Rails Girls with Ute Mayer Jun 22, 2017

Eberhard Wolff talks with Ute Mayer about Rails Girls

Legacy Software and Immutable Infrastructure with Chad Fowler Jun 01, 2017

Joy Clark talks with Chad Fowler about legacy software and immutable architecture

Software Architecture with Stefan Tilkov May 11, 2017

Joy Clark talks with Stefan Tilkov about software architecture

OpenTechSchool with Martin Stadler Apr 20, 2017

Eberhard Wolff talks with Martin Stadler about OpenTechSchool

Spring Data with Oliver Gierke Mar 30, 2017

Eberhard Wolff talks with Oliver Gierke about Spring Data

Modern CSS with Jen Simmons Mar 09, 2017

Stefan Tilkov talks to Jen Simmons about CSS, the standard for applying layout rules to HTML pages.

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CaSE: Conversations about Software Engineering

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