The Metric System: Making Correct Performance Measurements.
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The document discusses various web page performance metrics that can be used to measure load times and user experience. It describes both classic metrics like time to first byte and time to interactive, as well as newer metrics like first contentful paint, largest contentful paint, speed index, and first CPU idle. It notes that no single metric can fully capture the loading experience and that page performance depends on proper use of these metrics as well as user perception.
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How to Write & Deploy a Smart Contract
Presented at All Things Open 2023
Presented by Anastasia Lalamentik - Kaleido
Title: How to Write & Deploy a Smart Contract
Abstract: In this talk, Anastasia Lalamentik, Full Stack Engineer at Kaleido, will walk through how Ethereum smart contracts work and go over related concepts like gas fees, the Ethereum Virtual Machine (EVM), the block explorer, and the Solidity programming language. This is vital to anyone who wants to build a blockchain app and is a great introduction to blockchain technology for newcomers to the space.
By the end of the talk, attendees will better understand how to:
- Write a simple smart contract
- Deploy their smart contract to an Ethereum test network through the latest tools like Hardhat and the MetaMask wallet
- Test interactions with their deployed smart contract and ensure that everything is working properly
Additionally, participants will get to interact with Anastasia's deployed smart contract at the end of the talk. Anastasia’s past talks have attracted and have been attended by a diverse group of participants with a range of experience in the space.
Find more info about All Things Open:
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2023 conference: https://2023.allthingsopen.org/
Spinning Your Drones with Cadence Workflows, Apache Kafka and TensorFlow
Presented at All Things Open 2023
Presented by Paul Brebner - Instaclustr (by Spot by NetApp)
Title: Spinning Your Drones with Cadence Workflows, Apache Kafka and TensorFlow
Abstract: In this talk we’ll build a Drone delivery application, and then use it to do some Machine Learning “on the fly”.
In the 1st part of the talk, we'll build a real-time Drone Delivery demonstration application using a combination of two open-source technologies: Uber’s Cadence (for stateful, scheduled, long-running workflows), and Apache Kafka (for fast streaming data).
With up to 2,000 (simulated) drones and deliveries in progress at once this application generates a vast flow of spatio-temporal data.
In the 2nd part of the talk, we'll use this platform to explore Machine Learning (ML) over streaming and drifting Kafka data with TensorFlow to try and predict which shops will be busy in advance.
Find more info about All Things Open:
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DEI Challenges and Success
Presented at the All Things Open 2023 Inclusion and Diversity in Open Source Event
Presented by Efraim Marquez-Arreaza - Red Hat
Title: DEI Challenges and Success
Abstract: In today's world, many companies and organizations have Diversity, Equity and Inclusion (DEI) communities. Red Hat Unidos is a DEI community focused on advocating for the Hispanic/Latine community. In this talk, we would like to share our challenges and success during the past 4-years and plans for the future.
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2023 conference: https://2023.allthingsopen.org/
Scaling Web Applications with Background
Presented at All Things Open 2023
Presented by Lydia Cupery - HubSpot
Title: Scaling Web Applications with Background Jobs: Takeaways from Generating a Huge PDF
Abstract: Do you need to perform time-consuming or CPU-intensive processes in your web application but are concerned about performance? That’s where background jobs come in. By offloading resource-intensive tasks to separate worker processes, you can improve the scalability of your web application.
In this talk, I'll share my experience of using background jobs to scale our web application. I'll discuss the challenges my team faced that led us to adopt background jobs. Then, I'll share practical tips on how to design background jobs for CPU-intensive or time-consuming processes, such as generating huge PDFs and batch emailing. I'll wrap up by going over the performance and cost tradeoffs of background jobs.
I'll use Typescript, Express, and Heroku as examples in this talk, but the concepts and best practices that I'll share are applicable to other languages and tools.
Find more info about All Things Open:
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2023 conference: https://2023.allthingsopen.org/
Supercharging tutorials with WebAssembly
Presented at All Things Open 2023
Presented by Robert Aboukhalil - CZI
Title: Supercharging tutorials with WebAssembly
Abstract: sandbox.bio is a free platform that features interactive command-line tutorials for bioinformatics. This talk is a deep-dive into how sandbox.bio was built, with a focus on how WebAssembly enabled bringing command-line tools like awk and grep to the web. Although these tools were originally written in C/C++, they all run directly in the browser, thanks to WebAssembly! And since the computations run on each user's computer, this makes the application highly scalable and cost-effective.
Along the way, I'll discuss how WebAssembly works and how to get started using it in your own applications. The talk will also cover more advanced WebAssembly features such as threads and SIMD, and will end with a discussion of WebAssembly's benefits and pitfalls (it's a powerful technology, but it's not always the right tool!).
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2023 conference: https://2023.allthingsopen.org/
Using SQL to Find Needles in Haystacks
Presented at All Things Open 2023
Presented by K.S. Bhaskar - YottaDB LLC
Title: Using SQL to Find Needles in Haystacks
Abstract: Database journal files capture every update to a database. A database of a few hundred GB can generate GBs worth of journal files every minute at busy times. Troubleshooting and forensices, especially of rare and intermittent problems, such as which process made what update and when, is an exercise of finding needles in haystacks. A similar problem exists with syslogs. A solution is to load the journal files and syslogs into a database, and use SQL to query the database. Bhaskar will present and demonstrate this with a 100% FOSS stack.
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2023 conference: https://2023.allthingsopen.org/
Configuration Security as a Game of Pursuit Intercept
The document discusses configuration security as a game of pursuit-evasion and intercept. It was presented by Wes Widner, Principal Engineer at Automox. The document includes a JSON policy snippet with an ID, statement, actions, effects, resources, and principal allowing the GetObject action on all objects in an S3 bucket for all principals. It has page numbers at the bottom indicating it is from a larger presentation.
Scaling an Open Source Sponsorship Program
Presented at All Things Open 2023
Presented by Carol Huang & Mike Fix - Stripe
Title: Scaling an Open Source Sponsorship Program
Abstract: We already know this: the open-source ecosystem needs further monetary investment from the companies that benefit most from it. Likewise, companies say they want to participate in these initiatives, but find it hard to dedicate resources to open source funding when there isn’t a clear ROI.
This talk discusses how the Open Source Program Office at Stripe built a scalable, sustainable open source sponsorship model that aligns internal company incentives with those of open source maintainers and the community at large. We go over the unique “platformization” of our OSPO that allowed us to create multiple funding models, such as BYOB (Bring Your Own Budget), and share lessons learned from this experience as well as other OSPOs.
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2023 conference: https://2023.allthingsopen.org/
Build Developer Experience Teams for Open Source
Presented at All Things Open 2023
Presented by Arundeep Nagaraj - Amazon Web Services (AWS)
Title: Build Developer Experience Teams for Open Source
Abstract: Open Source has become the default strategy for many IT organizations and Enterprises. However, the constant challenge with Open Source leaders of these organizations has been -
How is my product's developer experience?
Is this the right metric to track?
How can I scale my team to support our products better?
How can I add automation to scale redundant workflows?
If my product involves working with developers, how can I scale to the complexity of the requests and reduce Engineering bandwidth?
The challenges within support of open source products continues to magnify depending on the end user persona whether they are consumers or contributors to your product. Consumers utilize your product, SDK's and API's and are blocked with using it or run into issues, whereas contributors are advanced users of your software that understands the codebase to provide a meaningful contribution back to the product.
The answer to the above is to look at Open Source support as a first-class citizen of your corporate support strategy. To employ the right level of developer focused support as opposed to traditional infrastructure based support is key to scale to the amount of developers using your product. Supporting customers in the open involves more than pure support - building customer / developer experiences (DX) in the open (across platforms and communities) that pivots over the ability of your product's users or developers to be focused on the end-to-end value add. This helps with your active developer growth and retention of users.
Key Takeaways:
- IT leaders of Open Source will learn to employ strategies to build a DX team that engages on multiple platforms
- Work on identifying accurate metrics for product and organization
- Innovate on platforms such as Discord to build a bot and a dashboard
- Ability to leverage customer feedback and iterate over the customer success flywheel
- Distinguish between DX and Developer Advocacy (DA)
Find more info about All Things Open:
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2023 conference: https://2023.allthingsopen.org/
Deploying Models at Scale with Apache Beam
Presented at All Things Open 2023
Presented by Danny McCormick - Google
Title: Deploying Models at Scale with Apache Beam
Abstract: Apache Beam is an open source tool for building distributed scalable data pipelines. This talk will explore how Beam can be used to perform common machine learning tasks, with a heavy focus on running inference at scale. The talk will include a demo component showing how Beam can be used to deploy and update models efficiently on both CPUs and GPUs for inference workloads.
An attendee can expect to leave this talk with a high level understanding of Beam, the challenges of deploying models at scale, and the ability to use Beam to easily parallelize their inference workloads.
Find more info about All Things Open:
On the web: https://www.allthingsopen.org/
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2023 conference: https://2023.allthingsopen.org/
Sudo – Giving access while staying in control
Presented at All Things Open 2023
Presented by Peter Czanik - One Identity
Title: Sudo – Giving access while staying in control
Abstract: Sudo is used by millions to control and log administrator access to systems, but using the default configuration only, there are plenty of blind spots. Using the latest features in sudo let you watch some previously blind spots and control access to them. Here are four major new features, which arrived since the 1.9.0 release, allowing you see your blind spots:
- configuring a working directory or chroot within sudo often makes full shell access redundant
- JSON-formatted logs give you more details on events and are easier to act on
- relays in sudo_logsrvd make session recording collection more secure and reliable
- you can log and control sub-commands executed by the command run through sudo
Let us take a closer look at each of these.
Previously, there were quite a few situations where you had to give users full shell access through sudo. Typical examples include when you need to run a command from a given directory, or running commands in a chroot environment. You can now configure the working directory or the chroot directory and give access only to the command the user really needs.
Logging is a central role of sudo, to see who did what on the system. Using JSON-formatted log messages gives you even more information about events. What is even more: structured logs are easier to act on. Setting up alerting for suspicious events is much easier when you have a single parser to configure for any kind of sudo logs. You can collect sudo logs not only by local syslog, but also by using sudo_logsrvd, the same application used to collect session recordings.
Speaking of session recordings: instead of using a single central server, you can now have multiple levels of sudo_logsrvd relays between the client and the final destination. This allows session collection even if the central server is unavailable, providing you with additional security. It also makes your network configuration simpler.
Finally, you can log sub-commands executed from the command started through sudo. You can see commands started from a shell. No more unnoticed shell access from text editors. Best of all: you can also intercept sub-commands.
These are just a few of the most prominent features helping you to watch and control previous blind spots on your systems. See these and other possibilities in action in some live demos during our presentation.
Find more info about All Things Open:
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2023 conference: https://2023.allthingsopen.org/
Fortifying the Future: Tackling Security Challenges in AI/ML Applications
Presented at All Things Open 2023
Presented by Christine Abernathy - F5, Inc.
Title: Fortifying the Future: Tackling Security Challenges in AI/ML Applications
Abstract: As Artificial Intelligence (AI) and Machine Learning (ML) applications continue to surge, it is crucial to be aware of and address the security risks associated with these technologies. In this talk, Christine will explore AI/ML failure modes, threats, and mitigation strategies. She will guide you through the fundamentals of ML models then introduce you to key security challenges such as adversarial attacks, data poisoning, model inversion, model stealing, and membership inference attacks, using real-world examples to demonstrate their potential impact.
Christine will also discuss privacy and ethical considerations in ML, touching upon techniques like federated learning and shedding light on the current regulatory landscape surrounding security risks. If you are developing AI/ML applications or incorporating AI/ML components into your technology stack, check out this talk. You will walk away with a deeper understanding of the current AI/ML security landscape and a toolkit to help you address these risks, enabling you to build safer, more secure, and privacy-aware applications.
Find more info about All Things Open:
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2023 conference: https://2023.allthingsopen.org/
Securing Cloud Resources Deployed with Control Planes on Kubernetes using Gov...
Presented at All Things Open 2023
Presented by Carlos Santana - AWS
Title: Securing Cloud Resources Deployed with Control Planes on Kubernetes using Governance and Policy as Code
Abstract: Are you concerned about the security of your cloud resources deployed on Kubernetes? Are you struggling to ensure compliance with regulatory requirements while managing your cloud infrastructure? If yes, then this talk is for you!
We will discuss how to secure cloud resources deployed with Crossplane on Kubernetes using Governance and Policy as Code. We will explore how to leverage Governance and Policy as Code tools like Rego, Kyverno, and OPA to ensure security and compliance.
By the end of this talk, you will have a better understanding of the challenges associated with securing cloud resources deployed with Crossplane or ACK on Kubernetes, the importance of Governance and Policy as Code in ensuring security and compliance, and why it is critical to use open source and open standards in these technologies.
Find more info about All Things Open:
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2023 conference: https://2023.allthingsopen.org/
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- 9. Firebug basically exists for 2 reasons: one is to show you what is going on on your page when it loads, the other is to show you what happens after the page loads. - joe hewitt, firebug author. https://youtu.be/k4IgewBsxmY
- 11. you cannot improve what you cannot measure.
- 12. anything that you can measure is essentially a metric.
- 13. metric: |ˈmetrik | noun 1 technical a system or standard of measurement.
- 15. 🖥 ⌨ [enter]
- 19. ⏱ onload. ✅ a classic metric. ✅ no complexity ✅ well quoted & referenced.
- 21. ⏱ onload. ✅ a classic metric. ✅ no complexity ✅ well quoted & referenced. ⚠ does not reflect modern measurements.
- 22. ⏱ time to first byte (ttfb). ✅ a classic metric. ✅ not much complexity ⚠ not very significant
- 23. ⏱ start render. ⏱ dom content loaded. ⏱ requests. ⏱ bytes in.
- 24. total bytes. 0 1750 3500 5250 7000 p10 p25 p50 p75 p90 desktop mobile https://httparchive.org/ reports/state-of-the-web
- 25. javascript. desktop 🖥 mobile 📲 ⬆ 40% in 3yrs ⬆ 53% in 3yrs per req. 760 bytes Δ https://httparchive.org/reports/ state-of-javascript
- 26. images. desktop 🖥 mobile 📲 ⬆ 29% in 3yrs ⬆ 110% in 3yrs per req. 211 bytes Δ https://httparchive.org/ reports/state-of-images
- 27. user experience.
- 28. resource loading is a delicate dance that can be delightful, but also destructive due to device damper and limitations. - henri helvetica
- 29. mobile and tablet internet usage exceeds desktop for first time worldwide. (2016) https://gs.statcounter.com/press/mobile- and-tablet-internet-usage-exceeds- desktop-for-first-time-worldwide
- 32. ⏱ newer metrics.
- 33. page performance is in equal parts proof & perception.
- 35. ⏱ first paint. ⏱ first contentful paint. ⏱ first meaningful paint. ⏱ largest contentful paint. https://www.w3.org/TR/2017/WD-paint- timing-20170907/#first-contentful-paint
- 36. ⏱ first paint. ⏱ first contentful paint. ✅ ⏱ first meaningful paint. ❌ ⏱ largest contentful paint. 🧪
- 37. first contentful paint reports the time when the browser first rendered any text, image (including background images), non-white canvas or SVG. This excludes any content of iframes, but includes text with pending webfonts. This is the first time users could start consuming page content. ⏱ first contentful paint. https://www.w3.org/TR/2017/WD-paint- timing-20170907/#first-contentful-paint
- 38. ⏱ largest contentful paint. 🧪 https://web.dev/largest-contentful-paint
- 39. ⏱ speed index. the Speed Index is the average time at which visible parts of the page are displayed. It is expressed in milliseconds and dependent on size of the view port. https://sites.google.com/a/webpagetest.org/ docs/using-webpagetest/metrics/speed-index
- 42. ⏱ time to interactive. the point at which your application is both visually rendered and capable of reliably respond to user input. https://web.dev/interactive
- 43. ⏱ time to interactive. ✅ the page has displayed useful content, measured with First Contentful Paint. ✅ event handlers are registered for most visible page elements. ✅ The page responds to user interactions within 50 milliseconds.
- 44. ⏱ first cpu idle. ⏱ first input delay. ⏱ total blocking time. 🧪 ⏱ hero rendering times. 🧪 https://web.dev/first-cpu-idle https://web.dev/max-potential-fid https://docs.google.com/document/d/1xCERB_X7PiP5RAZDwyIkODnIXoBk-Oo7Mi9266aEdGg/edit# https://speedcurve.com/blog/web-performance-monitoring-hero-times/
- 45. Load is not a single moment in time — it is an experience that no one metric can fully capture. - phil walton, google. https://developers.google.com/web/fundamentals/performance/user-centric-performance-metrics
- 46. so what now?
- 49. BLEACHER REPORT %USERS 0 3 6 9 12 200 400 600 800 100012001400160018002000220024002600280030003500400045005000 fcp - sports blogs.
- 51. merci.+