The Netflix TechBlog

MARCH 10, 2023

Hence we built the data pipeline that can be used to extract the existing assets metadata and process it specifically to each new use case. This feature support required a significant update in the data table design (which includes new tables and updating existing table columns). N, first N rows are fetched from the table.

Media 237

Media Traffic Processing Design 237

Dynatrace

JANUARY 31, 2024

For example, a Stanford University and UC Berkeley team noted in a research study that ChatGPT behavior deteriorates over time. Using the example of a chatbot, once the user submits a natural language prompt, RAG summarizes that prompt using semantic data. Consequently, AI model drift and hallucinations emerge as primary concerns.

Cache 204

Cache Azure Infrastructure Monitoring 204

Smashing Magazine

NOVEMBER 5, 2021

The Value Of Concept Testing As Part Of Product Design. The Value Of Concept Testing As Part Of Product Design. UX design teams are passionate about our approach to solving problems and providing users with experiences that lead to their desired outcomes. I believe concept testing is a pivotal part of the up-front UX process.

Design 98

Design Testing Education Processing 98

Strategic Tech

JULY 21, 2020

Before jumping into either of those scenarios, have a look at what Strategic Domain-Driven Design can offer you. High-level Process Sections Conceptually, there are three major sections to a modernisation process. This means a software architecture should be purposely designed for the most favourable business consequences.

Architecture 98

Architecture Design Software Architecture Strategy 98

Dynatrace

SEPTEMBER 13, 2023

This is a set of best practices and guidelines that help you design and operate reliable, secure, efficient, cost-effective, and sustainable systems in the cloud. For example, optimizing resource utilization for greater scale and lower cost and driving insights to increase adoption of cloud-native serverless services.

AWS 246

AWS Efficiency Azure Cloud 246

Testsigma

JUNE 3, 2021

A few of the errors which can be faced due to a poorly designed UI are: i. Example: An e-commerce website is unable to process the payment part. On-screen information for users: The information which is required by the user should be available on the application screen itself. Functional errors. Wrong redirection.

Software 82

Software Software Testing Hardware 82

Dynatrace

OCTOBER 16, 2023

While customers use observability platforms to identify issues in cloud environments, the next chapter of value is removing manual work from processes and building IT automation into their organizations. Organizations need to incorporate IT automation into their processes to take action on the data they gather. Greifeneder noted.

Innovation 197

Innovation DevOps Cloud Efficiency 197

Highly Scalable

AUGUST 20, 2013

The shortcomings and drawbacks of batch-oriented data processing were widely recognized by the Big Data community quite a long time ago. It became clear that real-time query processing and in-stream processing is the immediate need in many practical applications. Fault-tolerance.

Big Data 154

Big Data Processing Lambda Database 154

Dynatrace

FEBRUARY 27, 2024

We can connect the root cause to the process owner.” ” For example, when a new app build is deployed and automated tests are executed, the outcome may trigger a quality gate. “Dynatrace will tell you that something is wrong and what is wrong. “Then, we can ask Dynatrace if an app is adhering to development pillars.

Best Practices 235

Best Practices Metrics AWS Innovation 235

The Netflix TechBlog

NOVEMBER 14, 2023

In this three-part blog post series, we introduce you to Psyberg , our incremental data processing framework designed to tackle such challenges! We’ll discuss batch data processing, the limitations we faced, and how Psyberg emerged as a solution. Let’s dive in! What is late-arriving data? How does late-arriving data impact us?

Data Engineering 264

Data Engineering Engineering Processing Games 264

Dynatrace

FEBRUARY 13, 2023

With the increasing amount of sensitive information stored and processed, it’s essential to ensure that systems are secure and protected against potential threats. For example, a developer or tester can come up with a test for all problematic cases they can imagine.

Code 200

Code Java Testing Tools Testing 200

Dynatrace

MARCH 14, 2024

From mobile applications to websites, government services must be accessible, available, and performant for those who rely on them. The goal is to unify four key areas of the organization into one holistic service design and delivery approach. This could lead to frustration on both sides and create negative experiences.

Government 191

Government Strategy Best Practices Website 191

Dynatrace

FEBRUARY 2, 2022

For example, the IT team of a bank wants to ensure that for a trailing 30-day period there is 99.9% service availability with <50ms latency for an application with no revenue impact. To avoid this, start the SLO discussion early in the design process. Let’s take service availability for example.

DevOps 196

DevOps Metrics Best Practices Latency 196

Dynatrace

DECEMBER 2, 2021

And why have SLOs and SLIs become so important as teams automate processes to consistently meet SLAs and error budgets? For example, an SLA between a web host provider and customer can guarantee 99.95% uptime for all web services of a company over a year. For example, if your SLO guarantees 99.5% But what are SLOs?

Metrics 191

Metrics Best Practices DevOps Infrastructure 191

The Netflix TechBlog

SEPTEMBER 28, 2021

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. We identified common design patterns and architectures scattered across various tools which were all duplicating efforts in some way or another.

Best Practices 241

Best Practices Design Development Architecture 241

The Netflix TechBlog

JUNE 15, 2022

This post will discuss how Studio Search supports querying the data available in these indices. Sample Syntax For example, to find all comedies from France or Spain, the query would be: (genre == ‘comedy’) AND (country ANY [‘FR’, ‘SP’]) We used ANTLR to build the grammar for the Query DSL.

Engineering 183

Engineering Architecture Availability Tuning 183

Dynatrace

MARCH 22, 2023

Insecure design This broad category refers to fundamental design flaws in the application caused by a failure to implement necessary security controls during the design stage. Use a safe development life cycle with secure design patterns and components. Apply threat modeling and plausibility checks.

Open Source 198

Open Source Artificial Intelligence Internet Internet 198

Dynatrace

AUGUST 25, 2023

For example, older systems may require additional support personnel or contractors to operate and maintain. Upgrades and modifications, if available, are complex and expensive, so it isn’t easy to keep them secure and functional. The costs and challenges of technical debt Retaining older systems brings both direct and indirect costs.

Government 203

Government Infrastructure Programming Cloud 203

Smashing Magazine

JULY 28, 2020

Inspired Design Decisions With Emmett McBain: Art Direction As Social Equity. Inspired Design Decisions With Emmett McBain: Art Direction As Social Equity. He knew that to sell his clients’ products, his designs needed to resonate with Black audiences, by showing images they related to and language which was familiar to them.

Design 97

Design Media C++ Availability 97

Dynatrace

MARCH 9, 2023

“There are too many manual processes,” said Michael Winkler, senior principal in product management at Dynatrace, during a Perform 2023 breakout session. But DevOps automation isn’t just about reducing manual effort and increasing process speed; it’s also about gaining insight with answer-driven operations.

DevOps 232

DevOps Infrastructure Software Software 232

Dynatrace

MARCH 16, 2023

Includes the end user While SLOs for back-end silos and processes help eliminate internal issues, back-end-based objectives tell only half the story. In practice, however, SLOs’ value varies significantly based on how teams design, deploy, and manage them. As a result, effective SLOs must account for end users.

DevOps 214

DevOps Latency Metrics Traffic 214

The Netflix TechBlog

NOVEMBER 29, 2023

HDR was launched at Netflix in 2016 and the number of titles available in HDR has been growing ever since. Bitrate versus quality comparison HDR-VMAF is designed to be format-agnostic — it measures the perceptual quality of HDR video signal regardless of its container format, for example, Dolby Vision or HDR10.

Open Source 252

Open Source Software Engineering Internet Internet 252

Scalegrid

JANUARY 11, 2024

Key Takeaways Cloud security monitoring is a comprehensive approach involving both manual and automated processes to oversee servers, applications, platforms, and websites, using tools that are customized to fit unique cloud architectures. For example, Blumira offers a third-party solution while AWS provides its own with CloudWatch.

Best Practices 130

Best Practices Cloud Monitoring Strategy 130

Dynatrace

SEPTEMBER 28, 2021

Your next challenge is ensuring your DevOps processes, pipelines, and tooling meet the intended goal. For example, by measuring deployment frequency daily or weekly, you can determine how efficiently your team is responding to process changes. Lead time for changes helps teams understand how effective their processes are.

DevOps 200

DevOps Metrics Traffic Efficiency 200

Strategic Tech

JULY 22, 2019

In Domain-Driven Design, a large system is decomposed into bounded contexts , which become natural boundaries in code as microservices and as teams in the organisation. The Bounded Context Design Canvas I designed this canvas based on the typical flow of strategic DDD workshops I run publicly and privately.

Design 76

Design Systems Strategy Processing 76

Dynatrace

SEPTEMBER 8, 2023

To achieve this, we’ll create a Grail bucket specifically designed to retain data for a duration of 10 years (3,657 days). These alerts serve as early business warnings, allowing you to take necessary measures to prevent disruptions and minimize delays in transaction processing.

Database 269

Database Artificial Intelligence Metrics Monitoring 269

Scalegrid

JANUARY 25, 2024

Effective management of memory stores with policies like LRU/LFU proactive monitoring of the replication process and advanced metrics such as cache hit ratio and persistence indicators are crucial for ensuring data integrity and optimizing Redis’s performance. offers the Software Watchdog specifically designed for this purpose.

Metrics 130

Metrics Monitoring Latency Cache 130

Dynatrace

JUNE 7, 2023

Advanced AI applications using OpenAI services don’t just forward user input to OpenAI models; they also require client-side pre- and post-processing. A typical design pattern is the use of a semantic search over a domain-specific knowledge base, like internal documentation, to provide the required context in the prompt.

Monitoring 164

Monitoring Latency Metrics Azure 164

Dynatrace

JULY 24, 2023

Teams use this data to identify, analyze, and fix coding errors, UX/UI design, microservices, and other technical issues to improve usability and provide a better digital customer experience. A simple example is the common action of filling out an online form. Examples include the following. Medical data. Financial data.

Analytics 191

Analytics Website Mobile Internet 191

Dynatrace

NOVEMBER 3, 2020

Davis, our radically different AI causation engine, automatically processes billions of dependencies and pinpoints the root cause of performance issues with unmatched precision. All filters and problem meta-information that are available in our own problem list are now seamlessly available through the public Problems REST API v2.

Metrics 245

Metrics Monitoring Efficiency Availability 245

Testsigma

DECEMBER 28, 2019

Example of Regression Testing in Agile Framework: The below diagram illustrates the role of regression testing in the final delivery of the product in an Agile framework: Sprint is a set period of time during which specific work has to be completed and made ready to be shipped. Example of Retesting. Patch fixes are added.

Testing 53

Testing Hardware Testing Tools Strategy 53

Dynatrace

NOVEMBER 23, 2020

While speeding up development processes and reducing complexity does make the lives of Kubernetes operators easier, the inherent abstraction and automation can lead to new types of errors that are difficult to find, troubleshoot, and prevent. The Kubernetes experience. What does observability mean for Kubernetes?

Virtualization 161

Virtualization Infrastructure Monitoring Cloud 161

The Netflix TechBlog

OCTOBER 28, 2021

During earlier years of my career, I primarily worked as a backend software engineer, designing and building the backend systems that enable big data analytics. CL provides an end-to-end solution for logging, processing, and analyzing user interactions on Netflix apps from all devices. What is your favorite project?

Data Engineering 173

Data Engineering Engineering Big Data Software Engineering 173

Percona

MAY 29, 2023

With the Percona Operators, businesses can manage multi-cloud or hybrid-cloud PostgreSQL deployments with ease, ensuring that critical data is always available and secure, no matter what happens. It can be done through various Kubernetes configurations and heavily depends on how your networking and application are designed.

Storage 122

Storage Cloud Network Traffic 122

The Morning Paper

JUNE 6, 2019

Towards federated learning at scale: system design Bonawitz et al., From the potential tens of thousands of devices announcing availability to the server during a certain time window, the server selects a subset of typically a few hundred which are invited to work on a specific FL task. SysML 2019. Federated Averaging.

Systems 71

Systems Design Google Servers 71

The Netflix TechBlog

FEBRUARY 1, 2022

You apply for multiple roles at the same company and proceed through the interview process with each hiring team separately, despite the fact that there is tremendous overlap in the roles. Interviewing can be a daunting endeavor and how companies, and teams, approach the process varies greatly.

Engineering 199

Engineering Games Entertainment Innovation 199

Dynatrace

MAY 5, 2021

Today we’re proud to announce the new Dynatrace Operator, designed from the ground up to handle the lifecycle of OneAgent, Kubernetes API monitoring, OneAgent traffic routing, and all future containerized componentry such as the forthcoming extension framework. A great example of this push towards autonomy is SAP.

Cloud 224

Cloud Traffic Monitoring Open Source 224