Trainings Archive

Maintain Build Cache Across Many Projects

October 11, 2023

4:00 pm - 5:00 pm (GMT)

FREE

In this webcast, the Develocity engineering team will show the tooling we’ve developed to monitor and get alerts for performance...
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Duration 45 min + Q&A Speakers Kyle Moore Eric Haag Rooz Mohazzabi Description In this webcast, the Develocity engineering team will show the tooling we’ve developed to monitor and get alerts for performance regressions caused by your incremental, local, and remote build cache. You can use Develocity build cache observability features to get alerts when you have a cache miss. You can then use Develocity build cache data to prioritize and the UI to identify the solution to your performance regression. Agenda and Topics From this session you will learn… How to validate that your Gradle and Maven builds are in an optimal state in terms of maximizing work avoidance. How to manage build cacheability and performance across many projects. How to ensure build times do not regress as the build evolves.

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Improving Developer Experience with Build Scans

October 12, 2023

4:00 pm - 5:00 pm (GMT)

FREE

In this talk we show how build scans can help save a lot of time when you need to find build performance bottlenecks,...
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Duration 35 minutes + Q&A As a developer, you just want your builds to work but every now and then things go wrong and you need to investigate the build. That investigation sucks up a lot of your time and forces context switching. In this talk we show how build scans can help save a lot of time when you need to find build performance bottlenecks, investigate/troubleshoot CI and build/tool chain failures, visualize your dependencies, etc. to troubleshoot/investigate build issues and accelerate your builds/tests. From this session you will learn… Can I make my build faster? Build performance profiling with a simple UI: what are all the performance bottlenecks in my build, how well is my build cache working, the impact of heap, garbage, dependency downloads on my build times. How well is my build parallelized? Can I get more parallelization to speed up my builds? What’s happening in my build? View the build timeline view to see what tasks/goals are being executed in which order. You can use this to see how well parallelized is your build Git and CI integration for better developer workflow Go from your CI job to your build scan and back Go to the Git source repo, git commit id, show me all the builds on this git commit id Troubleshoot CI failures way faster with a build scan by viewing failed tasks/goal in consol log. Build scans pull out all the details pertaining to your failure out of the consol log so you don’t have to parse through thousands of lines of logs Dependency Search: view, search through your projects dependencies and their versions in a few clicks Triage Test failures faster: The test dashboard sorts your projects test failures by failure count with a nice UI. With a few clicks you can see which test classes failed the most, sort by your longest tests, test methods with the most test failures, link to your test report Tool chain and build related failures: What’s breaking my build? Build Scan bites: https://gradle.com/build-scan-bite-sized-customer-essentials/

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Incremental Builds and Build Caching

October 17, 2023

4:00 pm - 6:00 pm (GMT)

FREE

The Gradle build cache significantly reduces build time by re-using outputs produced by other builds in your organization. In this...
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Description The Gradle build cache significantly reduces build time by re-using outputs produced by other builds in your organization. In this training you will learn the basics and best practices to improve the performance of your builds by using the build cache. We’ll also go over the recommended architecture for setting up a cache. Duration 2 hours Audience Gradle build tool users as well as Develocity users interested in speeding up builds are encouraged to attend the training. Prerequisites Install the latest version of Gradle Build Tool along with at least Java 8 Refer to the Java compatibility matrix to ensure appropriate Java version A good editor Recommended: IntelliJ community edition Gradle Build Tool experience Knowledge of core concepts Authoring build files Kotlin DSL experience a plus Some experience with software development Objectives Understand benefits and how to use Gradle Build Cache Practice with hands-on exercises to reinforce learning Course Outline Historical Background Incremental Builds Local Cache Remote Cache Next Steps

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DPE Lowdown: How Apollo Kotlin does DPE with Develocity

October 18, 2023

5:00 pm - 6:00 pm (GMT)

FREE

In this episode of DevProdEng Lowdown, we chat with Martin Bonnin, mobile engineer at Apollo, to get the Lowdown on their DPE wins....
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In this episode of DevProdEng Lowdown, we chat with Martin Bonnin, mobile engineer at Apollo, to get the Lowdown on their DPE wins. Join us to learn how the Apollo Kotlin team leveraged Develocity to optimize their build and test speeds, plus see their results so far. (Spoiler alert: After just three months, the mean build time in CI went from ~28 to ~4 minutes.) Tune in also to find out what next steps the team is taking in their journey toward DPE excellence.

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Managing Test Failures & Flakiness with Develocity

October 19, 2023

4:00 pm - 5:00 pm (GMT)

FREE

The objective of this training is to teach individual developers how they can use Develocity to help identify, prioritize, and fix...
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Description The objective of this training is to teach individual developers how they can use Develocity to help identify, prioritize, and fix flaky tests using a data-driven approach. Topics Covered What is a flaky test? The cost of flaky tests Causes of flakiness Detecting flaky tests Tips towards fixing flaky tests Duration 40 minutes of content with 20 minutes of Q&A. Audience Software engineers and technical managers interested in automated testing. Prerequisites None. Objectives Leaving this training developers will understand how to bring visibility to broken and flaky tests and use data to identify, triage, and prioritize fixing flaky tests.

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Gradle Build Cache Deep Dive

October 20, 2023

4:00 pm - 6:00 pm (GMT)

FREE

The Gradle build cache significantly reduces build time by re-using outputs produced by other builds in your organization. In this...
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Get hands-on training on using Gradle’s Build Cache for improving performance. Description The Gradle build cache significantly reduces build time by re-using outputs produced by other builds in your organization. In this training you will learn how to enable caching for custom tasks. We will also cover how to troubleshoot cache misses using hands-on exercises covering various scenarios. Duration 2 hours Audience Gradle build tool users as well as Develocity users interested in speeding up builds are encouraged to attend the training. Prerequisites Gradle Build Tool experience Knowledge of core concepts Authoring build files Kotlin experience a plus but not required Experience with Java software development Objectives After this training the participants will be able to: Understand the benefits of using the Gradle build cache Use and configure the build cache Optimize build logic for maximum cacheability Course Outline Historical Background Context of problem we’re trying to solve Life of a build Performance Ideas: Re-use Build Cache in Gradle Incremental Builds Visible through task outcomes How it works Build-in tasks that support Limitations Local Cache How it works and benefits How to enable and use Limitations Hands-on exercise 1 Remote Cache How it works and benefits How to enable and use Hands-on exercise 2 Enabling with Custom Tasks Wiring inputs and outputs using annotations for caching Normalizing inputs Using runtime API to enable caching Hands-on exercise 3 Troubleshooting Tasks Possible problems Approaches to debugging Using build scans Hands-on exercise 4 Next Steps Getting started with local cache Develocity for remote cache

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Maven Build Cache Deep Dive

October 25, 2023

4:00 pm - 7:00 pm (GMT)

FREE

Get hands-on training on how to tackle build performance issues with the Maven build cache. Topics include build cache basics, task...
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Get hands-on training on how to tackle build performance issues with the Maven build cache. Description In this training, you will learn the basics and best practices to make the most of caching in your build. We’ll discuss the different possible architectures, how they affect build performance, and how Develocity can help you manage, analyze, and troubleshoot the build cache. Duration 2.5 hours training session followed by 30-minutes Q&A. Audience Maven build tool users, as well as Develocity users interested in speeding up builds, are encouraged to attend the training. Prerequisites This course assumes a good understanding of the Java language and working knowledge of Maven. Objectives After this training the participants will be able to: Understand the benefits of using the Maven build cache Use and configure the build cache Optimize build logic for maximum cacheability Maximize the benefits of the build cache with Develocity Course Outline Overview Introduction Performance is key Approaches for work avoidance Common use cases Faster Maven builds on CI Visualized savings in Develocity What is the build cache? How does it work? Different types of build caches Local build cache Remote build cache Recommended sharing strategy Influencing factors Using the build cache Enabling the cache Adding the Maven extension Generating a build scan Adding the Develocity server URL What’s going on under the hood? Configuring the local build cache Lab: Using the local build cache Referencing the Develocity credentials Configuring the credentials Enabling the cache on CI Computing the build cache key Build cache operations Lab: Using the remote build cache What makes a build “cacheable”? Cacheability influencing factors Cacheable plugins and goals Customization of caching behavior Configuring the Maven extension Declaring inputs and outputs Disabling cacheability Lab: Equipping goals with caching capabilities Troubleshooting the build cache misses Possible approaches Debug log level console information Finding cause of cache misses Using build scans Requirements for cacheable goals Repeatable goal outputs Stable goal outputs Path sensitivity Input normalization Handling cases affecting cache correctness Overlapping outputs External inputs like system properties File encoding Line endings Symlinks Java versions Lab: Handling cache misses Getting started with the build cache Recommended approach Installing the remote build cache Connecting to Develocity Wrap up Documentation and resources Try Develocity for free

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Gradle Build Tool Performance Optimization

October 26, 2023 - 26

4:00 pm - 6:30 pm (GMT)

FREE

As projects grow in size, you may experience dependency resolution or tasks taking longer. Gradle...
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Description As projects grow in size, you may experience dependency resolution or tasks taking longer. Gradle Build Tool has a number of configuration options and best practices that can be used to optimize your builds and significantly reduce the amount of time taken. In this training, we will go over a few scenarios in which you may experience slower builds and learn how to address them. Duration 2.5 hours Audience This class is designed for Gradle Build Tool users that want to learn best practices to speed up their builds. Prerequisites Install the latest version of Gradle Build Tool along with at least Java 8 Refer to the Java compatibility matrix to ensure appropriate Java version A good editor Recommended: IntelliJ community edition Gradle Build Tool experience Knowledge of core concepts Authoring build files Kotlin DSL experience preferred Some experience with software development Objectives Identify causes of performance issues Learn best practices and configuration to address performance issues Hands-on exercises to reinforce learning Course Outline Tasks Custom task declaration Parallel execution Test parallelization Build caching Dependency management Dynamic and changing versions Repository ordering Unused dependencies Shared configuration Gradle version

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Develocity for Productivity Engineers

October 31, 2023

4:00 pm - 5:00 pm (GMT)

FREE

The objective of this training is to teach build engineers how to use Develocity insights and analytics to debug and accelerate their...
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Description The objective of this training is to teach build engineers how to use Develocity insights and analytics to debug and accelerate their builds. Fast,efficient and reliable builds provide productivity benefits to all who run the build, and allow the build to be run more often for faster development cycles and identification of issues. Topics covered: About the local build cache and remote build cache How to make tasks cacheable Debugging cache misses 3 build acceleration experiments to conduct Monitoring for build regressions Duration 1 hour of content Audience Build engineers, or any developers wanting to learn more about improving their builds. If an important project currently has nobody responsible for the build, we recommend designating a person to attend this training. Prerequisites Attendance of the Develocity for Developers training or the equivalent basic understanding of Develocity. (if you have missed the session, you may view a recorded version here: https://tv.gradle.com/ge-training-for-devs) Objectives Individuals who have attended this training will understand how to optimize their builds for build caching to maximize performance benefits and accelerate build times, and how to keep it that way by identifying and addressing regressions that can occur over time.

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Training & Events Center

DevProdEng Lowdown: How Apollo Kotlin does DPE with Develocity

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Maintain Build Cache Across Many Projects

Improving Developer Experience with Build Scans

Incremental Builds and Build Caching

DPE Lowdown: How Apollo Kotlin does DPE with Develocity

Managing Test Failures & Flakiness with Develocity

Gradle Build Cache Deep Dive

Maven Build Cache Deep Dive

Gradle Build Tool Performance Optimization

Develocity for Productivity Engineers