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By Jennifer Shin , Tejas Shikhare , Will Emmanuel In 2022, a major change was made to Netflix’s iOS and Android applications. We migrated Netflix’s mobile apps to GraphQL with zero downtime, which involved a total overhaul from the client to the API layer. Until recently, an internal API framework, Falcor , powered our mobile apps. They are now backed by Federated GraphQL , a distributed approach to APIs where domain teams can independently manage and own specific sections of the API.
Applications nowadays are distributed as microservices all over the cloud. Organizations use Kubernetes to manage these applications at scale, which has brought great flexibility and agility for development teams. However, microservices and multicloud applications have given rise to new challenges. Now, it is harder to configure communication between distributed services and secure the data in transit.
Honestly, I started writing this article, for no real reason and somewhat without context, in December 2022—over half a year ago! But, I left it in _drafts/ until today, when a genuinely compelling scenario came up that gives real opportunity for explanation. It no longer feels like trivia-for-the-sake-of-it thanks to a recent client project. I never thought I’d write an article in defence of DOMContentLoaded , but here it is… For many, many years now, performance engineers have been making a co
More development teams across enterprises are adopting new mobile UI frameworks, namely SwiftUI,NET MAUI, and Android’s latest toolkit, Jetpack Compose. While these frameworks use a declarative syntax to simplify the codebase and expedite development lifecycles, they also introduce new challenges in monitoring the user experience of mobile apps.
For more than a quarter of a century, people have been discussing “Which is better, MySQL or PostgreSQL?” — with no resolution. When people ask me which is better, I have to ask them what they want to do and how they want to do it. I’ll explain using a bad analogy: What type of car is best? This depends on your needs. If you want to go fast, a top fuel dragster will set you back close to a million dollars by the time you buy the chassis, spare engines, tooling, and transp
By Jose Fernandez , Ed Barker , Hank Jacobs Introduction In November 2022, we introduced a brand new tier — Basic with ads. This tier extended existing infrastructure by adding new backend components and a new remote call to our ads partner on the playback path. As we were gearing up for launch, we wanted to ensure it would go as smoothly as possible.
Software testing is the demonstration of looking at the relics and the way the product behaves under test by approval and check. A business can appreciate and comprehend the risks of implementing software by receiving an objective, independent view of the software through software testing. Although it is possible to determine the correctness of software by assuming certain hypotheses, software testing cannot identify all software failures.
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Software testing is the demonstration of looking at the relics and the way the product behaves under test by approval and check. A business can appreciate and comprehend the risks of implementing software by receiving an objective, independent view of the software through software testing. Although it is possible to determine the correctness of software by assuming certain hypotheses, software testing cannot identify all software failures.
Minutes ago, the ISO C++ committee finished its meeting in-person in Varna, Bulgaria and online via Zoom, where we formally began adopting features into C++26. Our hosts, VMware and Chaos, arranged for high-quality facilities for our six-day meeting from Monday through Saturday. We had over 170 attendees, about two-thirds in-person and the others remote via Zoom, formally representing 20 nations.
After meeting the necessary requirements, we are excited to announce that the Dynatrace AI-powered platform as a SaaS on Microsoft Azure is now available in Switzerland. This represents the first observability solution available to Microsoft customers as a Switzerland-based SaaS deployment. In the past, regulations and special requirements for customers residing in Switzerland made it difficult to leverage the full power of a SaaS offering.
N.B. This is an update to my 2020 article Site-Speed Topography. You will need to catch up with that piece before this one makes sense. Around two and a half years ago, I debuted my Site-Speed Topography technique for getting broad view of an entire site’s performance from just a handful of key URLs and some readily available metrics. In that time, I have continued to make extensive use of the methodology (alongside additional processes and workflows), and even other performance monitoring tools
A few days ago, Heikki Linnakangas posted a message in the PostgreSQL mailing list titled “Let’s make PostgreSQL multi-threaded.” This topic got quite a discussion on Hacker News too. The poll I’ve done on Twitter shows there is great interest in this topic and overwhelming support for such an effort! Should PostgreSQL become multi-threaded ?
by Akshay Garg , Roger Quero Introduction Maximizing immersion for our members is an important goal for the Netflix product and engineering teams to keep our members entertained and fully engaged in our content. Leveraging a good mix of mature and cutting-edge client device technologies to deliver a smooth playback experience with glitch-free in-app transitions is an important step towards achieving this goal.
In the ever-evolving world of DevOps , the ability to gain deep insights into system behavior, diagnose issues, and improve overall performance is one of the top priorities. Monitoring and observability are two key concepts that facilitate this process, offering valuable visibility into the health and performance of systems. While these terms are often used interchangeably, they represent distinct approaches to understanding and managing complex systems.
“Mitigating the risk of extinction from A.I. should be a global priority alongside other societal-scale risks, such as pandemics and nuclear war,” according to a statement signed by more than 350 business and technical leaders, including the developers of today’s most important AI platforms. Among the possible risks leading to that outcome is what is known as “ the alignment problem.
Logs complement metrics and enable automation Cloud practitioners agree that observability, security, and automation go hand in hand. The increasing complexity of cloud service architectures requires a rock-solid understanding of the activity, health status, and security of cloud services. Logs complement out-of-the-box metrics and enable automated actions for responding to availability, security, and other service events.
Experience the power of row-level secondary indexing in Apache Parquet, enabling 3-20X faster upserts and unlocking new possibilities for efficient table ACID operations in today’s Lakehouse architecture.
Percona Monitoring and Management (PMM) boasts many functionalities that support its extension, be it by using Custom Queries, Custom Scripts, or by collecting data from already available External Exporters. In this short blog post, we will see how to quickly (and easily) monitor a PostgreSQL cluster managed by Patroni. I will assume you already have an environment set up and running in which the PMM client is already monitoring the PostgreSQL database.
Migrating Critical Traffic At Scale with No Downtime — Part 2 Shyam Gala , Javier Fernandez-Ivern , Anup Rokkam Pratap , Devang Shah Picture yourself enthralled by the latest episode of your beloved Netflix series, delighting in an uninterrupted, high-definition streaming experience. Behind these perfect moments of entertainment is a complex mechanism, with numerous gears and cogs working in harmony.
Kubernetes has emerged as a game-changing technology, revolutionizing the world of container orchestration. But what exactly is Kubernetes, and why has it garnered such widespread acclaim? Here we'll explore the benefits of Kubernetes. Let's take a look! In today's fast-paced digital landscape, organizations are constantly seeking innovative solutions to streamline application deployment, scale their infrastructure, and improve operational efficiency.
Does your company plan to release an AI chatbot, similar to OpenAI’s ChatGPT or Google’s Bard? Doing so means giving the general public a freeform text box for interacting with your AI model. That doesn’t sound so bad, right? Here’s the catch: for every one of your users who has read a “Here’s how ChatGPT and Midjourney can do half of my job” article, there may be at least one who has read one offering “Here’s how to get AI chatbots to do som
Government agencies rely on public trust to successfully achieve their initiatives. Unfortunately, building public trust among constituents is difficult, particularly if agencies cannot deliver timely services to citizens and provide seamless digital experiences. In what follows, we discuss how state and local government leaders can harness and improve digital experiences to address these challenges, navigate their cloud transformation journeys, and build constituents’ trust.
We are excited to release Cadence 1.0! Used by many major companies, at Uber it powers over 1,000 services with 100K+ updates a second. Learn how Cadence makes it easy to build complex distributed systems.
From time to time, situations occur where unusual circumstances dictate out-of-the-box thinking. For example, suppose you have a system where you’ve installed multiple data clusters onto a single host. What you end up with is a host breaking up and sharing valuable system resources, i.e., CPU, RAM, disk, etc., between multiple instances of PostgreSQL data clusters.
Avneesh Saluja , Andy Yao , Hossein Taghavi Introduction When watching a movie or an episode of a TV show, we experience a cohesive narrative that unfolds before us, often without giving much thought to the underlying structure that makes it all possible. However, movies and episodes are not atomic units, but rather composed of smaller elements such as frames, shots, scenes, sequences, and acts.
The scalability, agility, and continuous delivery offered by microservices architecture make it a popular option for businesses today. Nevertheless, microservices architectures are not invulnerable to disruptions. Various factors, such as network communication, inter-service dependencies, external dependencies, and scalability issues, can contribute to outages.
A few months ago, I wrote about some experiments with prime numbers. I generated a 16-digit non-prime number by multiplying two 8-digit prime numbers, and asked ChatGPT (using GPT -3.5) whether the larger number was prime. It answered correctly that the number was non-prime, but when it told me the number’s prime factors, it was clearly wrong. It also generated a short program that implemented the widely used Miller-Rabin primality test.
It’s Sunday morning, and you’re having breakfast with your family. A notification about new Common Vulnerability and Exposures (CVE) pops up on your mobile device. Is the situation critical? Do you need to react immediately? Will the right team, or at least someone accountable, take care of the vulnerability if you don’t? This is the sort of thing that Operations horror stories are made of, where the hero needs to choose between rescuing the company and your end users or sacrificing sleep
What I learned at GlueCon 2023 — Tipping Points and Generative AI The final slide of my GlueCon keynote featuring a sunset over a pool in Maui — picture by Adrian I’ve presented at GlueCon many times over the last decade or so. It’s an unusual event, held at the end of May at an isolated hotel between Denver and Boulder Colorado, the agenda is curated by Eric Norlin, and the 2-day event is run by his wife Kimberley.
As a MySQL database administrator, keeping a close eye on the performance of your MySQL server is crucial to ensure optimal database operations. A monitoring tool like Percona Monitoring and Management (PMM) is a popular choice among open source options for effectively monitoring MySQL performance. However, simply deploying a monitoring tool is not enough; you need to know which Key Performance Indicators (KPIs) to monitor to gain insights into your MySQL server’s health and performance.
Netflix has open-sourced Escrow Buddy, which helps Security and IT teams ensure they have valid FileVault recovery keys for all their Macs in MDM. To be a client systems engineer is to take joy in small endpoint automations that make your fellow employees’ day a little better. When somebody is unable to log into their FileVault-encrypted Mac, few words are more joyful to hear than a support technician saying, “I’ve got your back.
Architects, DevOps, and cloud engineers are gradually trying to understand which is better to continue the journey with: the API gateway, or adopt an entirely new service mesh technology? In this article, we will try to understand the difference between the two capabilities and lay out some reasons for the software team to consider or not consider a service mesh such as Istio (because it is the most widely used service mesh).
Understanding AI’s mysterious “opaque box” is paramount to creating explainable AI. This can be simplified by considering that AI, like all other technology, has a supply chain. Knowing what makes up the supply chain is critical to enforcing the security of the AI system, establishing trust with the consumer of the AI’s output, and protecting your organization from undue risk.
Modern IT organizations are generating more data from more tools and technologies than ever. Data is proliferating in separate silos from containers and Kubernetes to open source APIs and software to serverless compute services, such as AWS and Azure. Moreover, distributed microservices architecture and data silos mean teams don’t have access to the context that’s critical to make sense of this data and all its different data formats.
Uber runs more than 100K big data workloads per day using Apache Spark–at that scale it’s crucial to write optimized apps. The Delivery Data Solutions team built Spark Analysers, a real-time system to catch anti-patterns in the Spark application at Uber scale, helping Uber developers optimize their apps.
Developers need an efficient, reliable way to run their Django applications with a robust PostgreSQL. Percona Operator for PostgreSQL offers a powerful solution for managing and scaling PostgreSQL databases in a Kubernetes environment, making it an ideal choice for developer use cases. In this blog post, we’ll explore what it takes to run Django on Kubernetes with Percona Operator.
Microsoft has recently unveiled several new features for Azure Cosmos DB to enhance cost efficiency, boost performance, and increase elasticity. These features are burst capacity, hierarchical partition keys, serverless container storage of 1 TB, and priority-based execution.
Threats against technology are also growing exponentially along with technology. Cybercrime is big business; hackers are breaking into systems and stealing data using ever-more-advanced methods. Artificial Intelligence may hold the answer to defeating these nefarious forces. AI can assist in identifying new threats as they emerge in real-time and even foresee future assaults before they happen by employing machine learning algorithms and predictive analytics.
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