The Netflix TechBlog

DECEMBER 3, 2022

And by “sample” we mean “an example”, like food samples in your local grocery store. One of the main reasons this feature exists is just like with food samples, to give you “a taste” of the production quality ETL code that you could encounter inside the Netflix data ecosystem. This is one way to build trust with our internal user base.

Best Practices 362

Best Practices Code Testing Data Engineering 362

Scalegrid

FEBRUARY 17, 2020

In a MySQL master-slave high availability (HA) setup, it is important to continuously monitor the health of the master and slave servers so you can detect potential issues and take corrective actions. If the exit code indicates a failure, the return code from MySQL will tell us the failure reason.

Servers 273

Servers Monitoring Availability Programming 273

Scalegrid

MAY 2, 2019

When deploying in production, it’s highly recommended to setup in a MongoDB replica set configuration so your data is geographically distributed for high availability. servers.mongodirector.com:27017,SG-example-1.servers.mongodirector.com:27017,SG-example-2.servers.mongodirector.com:27017/admin?replicaSet=RS-example&ssl=true'

Testing 55

Testing Network Database Servers 55

Dynatrace

JULY 11, 2023

It automates tasks such as provisioning and scaling Dynatrace monitoring components, updating configurations, and ensuring the health and availability of the monitoring infrastructure. It also detects new containers and injects OneAgent code modules into application pods.

Architecture 178

Architecture Availability Infrastructure Monitoring 178

CSS Wizardry

JUNE 30, 2023

More accurately, DOMContentLoaded signifies that all blocking and defer and type=module code has finished running. before the app’s key functionality is available, with almost half waiting over 3.5s! Even More Insights While DOMContentLoaded tells us when our defer red code finished running—which is great!—it log ( window.

Metrics 330

Metrics Google Monitoring Code 330

Dynatrace

AUGUST 2, 2021

For example, you might transform the count-based metric “form submissions” into a rate to report form submissions per hour. Examples of metric calculations. Consider the example 75% enrollment-in-autopay goal as an SLO. Here are other examples to spur your imagination: Convert currencies. Presentation matters.

Metrics 246

Metrics Analytics Google Code 246

Dynatrace

JUNE 4, 2024

To provide automated feedback for developers, the concept of quality gates for static code analysis in continuous integration is widely adopted throughout the industry. The developer must pause their current engineering work to address the reported issue and consider the code changes they worked on a few days or weeks prior.

Metrics 244

Metrics Engineering Code Tuning 244

The Netflix TechBlog

FEBRUARY 3, 2021

There are two different approaches to GraphQL development; schema-first and code-first development. The code in your service only implements this schema. With code-first development , you don’t have a schema file. Instead, the schema gets generated at runtime based on definitions in code. Let’s start with a simple schema.

Open Source 246

Open Source Java Architecture Metrics 246

Dynatrace

AUGUST 24, 2020

To make this possible, the application code should be instrumented with telemetry data for deep insights, including: Metrics to find out how the behavior of a system has changed over time. And because Dynatrace can consume CloudWatch metrics, almost all your AWS usage information is available to you within Dynatrace.

Analytics 253

Analytics Infrastructure AWS Operating System 253

Dynatrace

MARCH 27, 2024

The automated extraction of ownership information, for example, from Kubernetes annotations, is therefore essential. Keeping ownership teams and their properties up to date is essential, as is having the right contact information available when needed. An example via Monaco can be found in this public GitHub repository.

Best Practices 211

Best Practices Azure Database Code 211

Dynatrace

AUGUST 16, 2021

Part 1 of this series starts will cover the key ingredients needed for successful DevOps use to deliver better software faster, followed by a short overview of GitHub Actions and example use cases related to deployment and release monitoring. Example #1 – Deploy application code to Kubernetes.

Software 246

Software Software Open Source Azure 246

The Netflix TechBlog

OCTOBER 29, 2020

You only need to write platform-specific code where it’s necessary, for example, to implement a native UI or when working with platform-specific APIs. Almost 50% of the production code in our Android and iOS apps is decoupled from the underlying platform. Debugging Kotlin source code from Xcode.

Mobile 280

Mobile Cache Network Architecture 280

The Netflix TechBlog

OCTOBER 23, 2019

Visibility The Polynote UI provides at-a-glance insights into the state of the kernel by showing kernel status, highlighting currently-running cell code, and showing currently executing tasks. A notebook execution is a record of a particular piece of code, run at a particular point in time, in a particular environment.

Open Source 235

Open Source Code Website Availability 235

Dynatrace

MAY 17, 2023

This is one example of the many use cases we’re exploring. For example, it can help DevOps and platform engineering teams write code snippets by drawing on information from software libraries. It highlights the potential of GPT technology to drive “information democracy” even further.

Innovation 273

Innovation Software Software Artificial Intelligence 273

DZone

FEBRUARY 7, 2022

Environment variables are used in the browser code, not just server code. Code splitting: loads chunk corresponding to the page path. An example might be an e-commerce site that has only 50 products available for sale. Next head: To modify the head part of the page to improve the SEO. Typescript support.

Mobile 246

Mobile Servers Website Code 246

Dynatrace

JANUARY 17, 2023

Code changes are often required to refine observability data. This results in site reliability engineers nudging development teams to add resource attributes, endpoints, and tokens to their source code. This example is a good starting point for exploratory analysis with context-aware Dynatrace Davis insights.

Analytics 293

Analytics Metrics Open Source Java 293

CSS Wizardry

DECEMBER 9, 2023

A trivial performance optimisation to help speed up third-party or other-origin requests is to preconnect them: hint that the browser should preemptively open a full connection ( DNS , TCP , TLS ) to the origin in question, for example: In the right circumstances, this simple, single line of HTML can make pages hundreds of milliseconds faster !

Speed 280

Speed Network Analytics Availability 280

The Netflix TechBlog

MAY 4, 2023

It provides a good read on the availability and latency ranges under different production conditions. Adding forking logic and complexity to the device code can create dependencies on device application release cycles that generally run at a slower cadence than service release cycles, leading to bottlenecks in the migration.

Traffic 349

Traffic Latency Tuning Systems 349

Dynatrace

JULY 25, 2023

This expansion of Davis AI complements the proven Dynatrace predictive AI model (for example, forecasting and anomalies) and our causal AI model (for example, determination of a problem’s root cause, security risks, user impact, and steering automation), which are at the core of the Dynatrace platform.

Best Practices 241

Best Practices Analytics Metrics Code 241

Dynatrace

MARCH 6, 2024

As a result, teams can focus on writing code and building features rather than dealing with infrastructure nuances. They shouldn’t worry about the platform; they should just start writing code.” “That means making it available, resilient, and secure,” Grabner said. Intelligent monitoring is also crucial.

Engineering 251

Engineering Development DevOps Infrastructure 251

Dynatrace

MAY 4, 2021

If your teams are using OpenTelemetry custom instrumentation to enrich monitoring data with project-specific details (for example, to add business data or capture developer-specific diagnostics points) and you want to retain their instrumentation invest. Trace ingest will be available for all customers within the next 90 days.

Cloud 264

Cloud Java Tuning Monitoring 264

Dynatrace

OCTOBER 31, 2024

This lets you build your SLOs around the indicators that matter to you and your customers—critical metrics related to availability, failure rates, request response times, or select logs and business events. While the SLO management web UI and API are already available, the dashboard tile will be released within the next weeks.

Metrics 225

Metrics Availability Monitoring Scalability 225

Dynatrace

JULY 18, 2023

Dynatrace Configuration as Code enables complete automation of the Dynatrace platform’s configuration, ensuring that software is secure and reliable. With Configuration as Code, developers can manage their observability and security tasks with config files that can be developed alongside source code conveniently and at scale.

Best Practices 202

Best Practices Code Infrastructure Latency 202

Dynatrace

DECEMBER 16, 2020

Typically, the attackers attempt to exploit some weakness in the vendor’s development or delivery life cycle and attempt to inject malicious code before an application is signed and certified. It all starts with the code. Dynatrace has established a secure SDL, which automatically enforces that all developed code is reviewed by a peer.

Software 246

Software Software Development AWS 246

Dynatrace

NOVEMBER 6, 2023

But developers need code-level visibility and code-level data.” That’s not how I envision code-level observability,” Laifenfeld said. Laifenfeld argued that developers shouldn’t bear the burden of the additional workload when their focus is their code: “Learning Kubernetes as a developer is not easy,” she said.

Development 273

Development DevOps Programming Cloud 273

The Netflix TechBlog

DECEMBER 3, 2019

A key observation was that most of our data scientists had nothing against writing Python code. Data scientists want to retain their freedom to use arbitrary, idiomatic Python code to express their business logic?—?like The steps can be arbitrary Python code. like they would do in a Jupyter notebook.

Open Source 239

Open Source AWS Infrastructure Energy 239

Dynatrace

SEPTEMBER 29, 2021

A standard Docker container can run anywhere, on a personal computer (for example, PC, Mac, Linux), in the cloud, on local servers, and even on edge devices. These tools integrate tightly with code repositories (such as GitHub) and continuous integration and continuous delivery (CI/CD) pipeline tools (such as Jenkins).

Open Source 313

Open Source Traffic DevOps Cloud 313

Dynatrace

DECEMBER 13, 2024

Managing Auto-Instrumentation in Pods The Operator automatically injects and configures auto-instrumentation for your applications, which enables you to collect telemetry data without modifying your source code. There are two versions available: v1alpha1 : apiVersion: opentelemetry.io/v1alpha1 spec.containers[*].name}'

Java 183

Java Servers Code Metrics 183

Dynatrace

JUNE 20, 2023

AutomationEngine provides a low-code/no-code approach to model workflows for targeted notification and collaboration, closed-loop remediation, quality/security gating, and more. AutomationEngine workflow example for a bespoke ordering system. Examples of each of these custom extension types are detailed below.

DevOps 230

DevOps Monitoring AWS Code 230

Dynatrace

SEPTEMBER 23, 2021

Four types of tools are commonly used to detect software vulnerabilities: Source-code tests that are used in development environments. Source code tests. Products that scan source code before the container is built are known as Software Composition Analysis (SCA) tools and Static Application Security Test (SAST) tools.

Open Source 261

Open Source Benchmarking Best Practices Network 261

Dynatrace

FEBRUARY 1, 2024

What used to take a lot of valuable time, resources, and tools is now available in one central place. By using the available ownership information, teams can quickly and immediately begin to collaborate on optimizing these workloads. All the data a platform engineer needs to understand what’s going on can easily be seen in one place.

Engineering 276

Engineering Efficiency Azure Monitoring 276

Dynatrace

OCTOBER 23, 2024

Automatic data capture and display: More data, including span attributes, is available for out-of-the-box analysis, with no additional configuration necessary. To pinpoint the exact requests that are failing, the e-commerce team filters by excluding successful HTTP 200 status codes. You can even walk through the same example above.

Tuning 270

Tuning Website Availability Performance 270

Dynatrace

MAY 19, 2022

They enable product delivery and SRE teams to turn functionality on and off at runtime without deploying new code. This decoupling of code deployment from feature release is a crucial enabler for modern Continuous Delivery practices. This is just one example; applications of any size or maturity can use OpenFeature. What’s next?

Java 269

Java Cloud Code Technology 269

Dynatrace

MAY 21, 2021

Although you can code the logic that governs communication directly into the microservices, a service mesh abstracts that logic into a parallel layer of infrastructure using a proxy called a sidecar, which runs alongside each service. A service mesh enables DevOps teams to manage their networking and security policies through code.

Traffic 254

Traffic DevOps Infrastructure Network 254

Dynatrace

MARCH 28, 2023

Especially when new security vulnerabilities are detected, collaboration with the right people—for example, the team responsible for a vulnerable service—is vital to keeping negative impact low and MTTR at a minimum. Creation of ITSM tickets (for example, Jira and ServiceNow) and assignment to the right teams.

Software 212

Software Software Monitoring Software Engineering 212

The Netflix TechBlog

JULY 22, 2024

By Jun He , Natallia Dzenisenka , Praneeth Yenugutala , Yingyi Zhang , and Anjali Norwood TL;DR We are thrilled to announce that the Maestro source code is now open to the public! An example can be found in the Maestro repository wiki. In the above example, run5 fails at 5AM, then later runs are queued but do not run.

Strategy 260

Strategy Scalability Code Engineering 260

Dynatrace

DECEMBER 27, 2022

In this example, “Reverse proxy” and “Front-end server” are clearly in the critical path. In this example, “hipstershop.currency,” “hipstershop.checkout” and “hipstershop.cart” are also part of this critical path. In this example, we’re creating an SLO with a target of 98% of our requests without errors. Availability.

Software 276

Software Software Benchmarking Latency 276