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Dynatrace news. Companies are evolving to become customer-centric by adopting service level objectives (SLOs) to understand customer needs better. Teams are using concepts from site reliability engineering to create SLO metrics that measure the impact to their customers and leverage error budgets to balance innovation and reliability. It can be challenging to cut through the massive volume of telemetry data and quickly understand the impact on your business and customers.
If you are reading this blog post, most probably you are planning or already planned or just getting started with Apache JMeter. Learning any performance testing tool could be challenging. Sometimes the technical documentation looks abstract, and the learning curve could be steep. In this blog post, I am going to list out five things to know before learning JMeter. 1.
Martin Tingley with Wenjing Zheng , Simon Ejdemyr , Stephanie Lane , and Colin McFarland This is the second post in a multi-part series on how Netflix uses A/B tests to inform decisions and continuously innovate on our products. See here for Part 1: Decision Making at Netflix. Subsequent posts will go into more details on the statistics of A/B tests, experimentation across Netflix, how Netflix has invested in infrastructure to support and scale experimentation, and the importance of the culture
PostgreSQL also introduced many other breakthrough features in versions 10 through 11, 12 and 13 that make it a real competitor against Oracle, such as partitioning enhancements, parallel query and logical replication. In this blog post, we will showcase some of the new and notable PostgreSQL features included in more recent versions of PostgreSQL. New […].
Introduction. The Fulfillment Platform is a foundational Uber domain that enables the rapid scaling of new verticals. The platform handles billions of database transactions each day, ranging from user actions (e.g., a driver starting a trip) and system actions … The post Building Uber’s Fulfillment Platform for Planet-Scale using Google Cloud Spanner appeared first on Uber Engineering Blog.
Dynatrace news. If cloud-native technologies and containers are on your radar, you’ve likely encountered Docker and Kubernetes and might be wondering how they relate to each other. In a nutshell, they are complementary and, in part, overlapping technologies to create, manage, and operate containers. Here are the main differences between Kubernetes vs.
When content obtained through $element('id') is assigned to a member variable, a stack overflow ( RangeError: Maximum call stack size exceeded ) may occur and the program will crash. If member variable references exist for a DOM, and a member variable changes, a stack overflow will also occur. The sample code is as follows: JavaScript. {{ stateText }}. " data-lang="text/javascript"> <template> <div id="content"> <input type="button" class="button" @click="onTestClick" value="
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When content obtained through $element('id') is assigned to a member variable, a stack overflow ( RangeError: Maximum call stack size exceeded ) may occur and the program will crash. If member variable references exist for a DOM, and a member variable changes, a stack overflow will also occur. The sample code is as follows: JavaScript. {{ stateText }}. " data-lang="text/javascript"> <template> <div id="content"> <input type="button" class="button" @click="onTestClick" value="
By Alex Borysov , Ricky Gardiner Background At Netflix, we heavily use gRPC for the purpose of backend to backend communication. When we process a request it is often beneficial to know which fields the caller is interested in and which ones they ignore. Some response fields can be expensive to compute, some fields can require remote calls to other services.
In June 2021, we asked the recipients of our Data & AI Newsletter to respond to a survey about compensation. The results gave us insight into what our subscribers are paid, where they’re located, what industries they work for, what their concerns are, and what sorts of career development opportunities they’re pursuing. While it’s sadly premature to say that the survey took place at the end of the COVID-19 pandemic (though we can all hope), it took place at a time when restrictions were loose
Uber recently launched a new capability: Ads on UberEats. With this new ability came new challenges that needed to be solved at Uber, such as systems for ad auctions, bidding, attribution, reporting, and more. This article focuses on how we … The post Real-Time Exactly-Once Ad Event Processing with Apache Flink, Kafka, and Pinot appeared first on Uber Engineering Blog.
Dynatrace news. The post Dynatrace accelerates the convergence of observability and security with the acquisition of SpectX appeared first on Dynatrace blog.
Introduction. If you run several web servers in your organization or even public web servers on the internet, you need some kind of monitoring. If your servers go down for some reason, this may not be funny for your colleagues, customer, and even for yourself. For that reason, we use monitoring tools. And there are a lot of monitoring tools available providing all kinds of features and concepts.
Written by Michael Possumato , Nick Tomlin , Jordan Andree , Andrew Shim , and Rahul Pilani. As we continue to grow here at Netflix, the needs of Revenue and Growth Engineering are rapidly evolving; and our tools must also evolve just as rapidly. The Revenue and Growth Tools (RGT) team decided to set off on a journey to build tools in an abstract manner to have solutions readily available within our organization.
Interactive Learning Tools For Front-End Developers. Interactive Learning Tools For Front-End Developers. Louis Lazaris. 2021-09-02T12:00:00+00:00. 2021-09-02T15:09:03+00:00. Because this industry moves so quickly, learning new skills is a regular thing for most of us. Over the last little while, I’ve been able to collect links to several interactive coding tools and apps that can help you supplement your skills in different areas of web development.
A microservice team asked me for help with a mysterious issue. They claimed that the ZFS file system was consuming 30% of CPU capacity. I summarized this case study at [Kernel Recipes] in 2017 and have shared the full story here. ## 1. Problem Statement The microservice was for metrics ingestion and had recently updated their base OS image (BaseAMI).
Introduction. Uber’s GSS (Global Scaled Solutions) team runs scaled programs for diverse products and businesses, including but not limited to Eats, Rides, and Freight. The team transforms Uber’s ideas into agile, global solutions by designing and implementing scalable solutions. One … The post Streaming Real-Time Analytics with Redis, AWS Fargate, and Dash Framework appeared first on Uber Engineering Blog.
Dynatrace news. Containers have become hugely popular. In 2019, Gartner reported that 30% of organizations worldwide were running containerized applications. They predicted this figure would jump to 75% by 2022. So far, their prediction seems to be spot-on. Unfortunately, container security is much more difficult to achieve than security for more traditional compute platforms, such as virtual machines or bare metal hosts.
Everyone has their own definition of true leadership. What I didn't understand at the start of my leadership journey was that each of us is a leader. Regardless of intent, we influence and impact our communities, industries, workplaces, and relationships. Yet, often we don't understand the importance or impact of simply being present. So I wanted to write a message to anyone looking to grow into engineering leadership.
By Xiaomei Liu , Rosanna Lee , Cyril Concolato Introduction Behind the scenes of the beloved Netflix streaming service and content, there are many technology innovations in media processing. Packaging has always been an important step in media processing. After content ingestion, inspection and encoding, the packaging step encapsulates encoded video and audio in codec agnostic container formats and provides features such as audio video synchronization, random access and DRM protection.
Web Quality Assurance: From User Requirements To Web Risk Management. Web Quality Assurance: From User Requirements To Web Risk Management. Elie Sloïm. 2021-09-16T12:00:00+00:00. 2021-09-16T15:07:53+00:00. As a chemist by trade, I received a Master’s degree in Quality Management and Quality Control from Bordeaux University. My initial career was in the wine industry, ensuring the quality of the laboratory’s operations and the analyses that came out of it.
We explain why you shouldn’t chase perfect scores on GTmetrix (or any performance tool). Overview GTmetrix grades your website on both Performance (i.e., how fast it loaded for a user), and Structure (i.e., how well your site is built for performance). However, that doesn’t mean every website is equal, and should aspire to achieve […].
Problem. Uber deploys a few storage technologies to store business data based on their application model. One such technology is called Schemaless , which enables the modeling of related entries in one single row of multiple columns, as well as … The post Jellyfish: Cost-Effective Data Tiering for Uber’s Largest Storage System appeared first on Uber Engineering Blog.
In this blog post, we are going to deep-dive into the HTTP Toolkit and its features. As performance engineers, it is our responsibility to learn various tools and technologies. Based on the issue, you need to leverage the right tool to fix the problems, just like plumbers. Let us see HTTP Toolkit for Performance Engineers. What is HTTP Toolkit? It is an open-source tool to debug, test, intercept HTTP(S) requests.
By Ricky Gardiner , Alex Borysov Background In our previous post , we discussed how we utilize FieldMask as a solution when designing our APIs so that consumers can request the data they need when fetched via gRPC. In this blog post we will continue to cover how Netflix Studio Engineering uses FieldMask for mutation operations such as update and remove.
Developer Decisions For Building Flexible Components. Developer Decisions For Building Flexible Components. Michelle Barker. 2021-09-08T10:30:00+00:00. 2021-09-08T14:05:37+00:00. In the real world, content often differs vastly from the neat, perfectly fitting content presented in designs.
This article is the eleventh part in a series about table expressions. So far, I’ve covered derived tables and CTEs, and recently started the coverage of views. In Part 9 I compared views to derived tables and CTEs, and in Part 10 I discussed DDL changes and the implications of using SELECT * in the view’s inner query. In this article, I focus on modification considerations.
Web frameworks are crucial to make your web product a success. But, finding the right framework for your web development need is the most painful job. Here, we have curated a list of the top eight frameworks you can use in 2021 to build web applications. The post 8 Most Popular Web App Frameworks to Use in 2021 appeared first on Insights on Latest Technologies - Simform Blog.
Dynatrace news. Recently, 53 Dynatracers convened in a Zoom room for 5 action-packed hours to take on our first AWS GameDay challenge, an event we participated in to help our developers accelerate their AWS certification path. Hosted and moderated by Amazon, AWS GameDay is a hands-on, collaborative, gamified learning exercise for applying AWS services and cloud skills to real-world scenarios.
Data is ubiquitous. Shiny from R Studio helps to build interactive web applications from R. But, performance testing is a little tricky. If you sniff the traffic, you don't get any network data. If you are working on Shiny apps performance testing, then this blog article is for you. This blog article explains load testing shiny apps using shinyloadtest package.
Written by Jose Fernandez , Arthur Gonigberg , Julia Knecht , and Patrick Thomas In 2017, Netflix Studios was hitting an inflection point from a period of merely rapid growth to the sort of explosive growth that throws “how do we scale?” into every conversation. The vision was to create a “Studio in the Cloud”, with applications supporting every part of the business from pitch to play.
Reducing The Need For Pseudo-Elements. Reducing The Need For Pseudo-Elements. Marcel Moreau. 2021-09-15T10:00:00+00:00. 2021-09-15T12:06:56+00:00. Per the W3C spec , “a pseudo-element represents an element not directly present in the document tree” They have been around since version 1 of the CSS specification, when ::first-letter and ::first-line were introduced.
With the 2021 Global SAFe® Summit only a week away (September 27 – October 1), the software delivery community will come together once again to tackle that ever-pressing question: just how do you marry technical agility with business agility to support customers more effectively? . The most popular framework for scaling software development , SAFe continues to serve as a one-stop-shop for Lean-Agile practices.
Dynatrace news. What is Prometheus and how does it work? Prometheus is an open-source monitoring and alerting toolkit for services and applications that run in containers. Developed first at SoundCloud, the project became part of the Cloud Native Computing Foundation (CNCF) and has steadily become the industry standard for both containerized infrastructure and classic implementation scenarios , especially within Kubernetes clusters.
In my role as an engineering manager, I know making the leap from an individual contributor (IC) to engineering manager (EM) is not a promotion. Instead, it’s a different career track. What we are discussing here is a fundamental difference in terms of the responsibilities of the roles. What you do as an engineering manager versus what you do as a developer is fundamentally different.
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