The Netflix TechBlog

MAY 4, 2023

These include options where replay traffic generation is orchestrated on the device, on the server, and via a dedicated service. Moreover, allowing the device to execute untested server-side code paths can inadvertently expose an attack surface area for potential misuse.

Traffic 349

Traffic Latency Tuning Systems 349

DZone

FEBRUARY 7, 2022

It offers all the functionality we need to deploy our application in production, with a hybrid system with static pages and server-side rendered (SSR) pages. Isomorphic: Works on both server and client (browser). Static export: Compile static files to be able to upload to the server. SSR Benefits (Next.js). Performance.

Mobile 246

Mobile Servers Website Code 246

SQL Performance

MAY 24, 2022

Microsoft recently released the first public preview of SQL Server 2022. I’ll be using the sample database TSQLV6 in the examples in this article. This clause allows you to shorten your code by avoiding the repetition of identical parts of your window specifications. This release has a number of T-SQL improvements.

Servers 145

Servers C++ Code Database 145

SQL Performance

AUGUST 1, 2022

Recently I covered some of the T-SQL improvements in SQL Server 2022 here , and Aaron Bertrand covered additional improvements here. Microsoft just announced the release of SQL Server 2022 CTP 2.1. I’ll be using the sample database TSQLV6 in the examples in this article. Those improvements were introduced in CTP 2.0.

Servers 142

Servers Testing C++ Code 142

Dynatrace

APRIL 8, 2020

Optimize your code by finding and fixing the root cause of garbage collection problems. These details arm you with the knowledge necessary to find the respective code and remove unnecessary allocations. Any significant reduction in allocations will inevitably speed up your code. You can even look at the source code directly. .

Speed 166

Speed Code Java Lambda 166

DZone

MARCH 18, 2021

Cross-Origin Resource Sharing (CORS) is a security mechanism built-in most modern browsers to restrict accessing resources from a server hosted on a different domain. Using CORS techniques, servers can limit the sharing of data to only trusted domains.

Azure 255

Azure Website Servers Code 255

Dynatrace

JULY 1, 2020

F or example dashboarding, SAPGUI user experience anal ytic s , and problem detection. . The SAP Module Dashboard details the experience of the users and transaction code executions for each specific area , with t op transactions and users displayed. L et ’s delve into how each of these works. Dashboarding . User Session Details.

Servers 246

Servers Database Monitoring Code 246

Dynatrace

AUGUST 18, 2022

Years later, a few configuration management solutions came into play that required heavy amounts of coding, but proved that the industry was moving toward compartmentalized automation solutions. These evaluations that I hard-coded into a script were now embedded into the back-end of Ansible’s modular approach.

Games 300

Games Monitoring Infrastructure DevOps 300

DZone

OCTOBER 24, 2021

I remember when.Net originally came out some 20 years ago and Microsoft had created a website called "pet shop" or something, where they were able to "prove" that.Net and SQL Server was faster than the Java and Oracle equivalent. Watch me run you through the code below.

Benchmarking 264

Benchmarking Best Practices Java Website 264

Dynatrace

APRIL 14, 2022

With a critical CVSS rating of 9.8 , Spring4Shell leaves affected systems vulnerable to remote code execution (RCE). Further, the report lists Tomcat as the most popular Java application server. In the example below, we have a simple DemoObject class that contains a string attribute message. What is the Spring Framework?

Java 228

Java Servers Code Open Source 228

The Netflix TechBlog

FEBRUARY 13, 2024

Conversely, using integration testing tools like Cypress or Playwright provides control over the page, but sacrifices the ability to instrument the bootstrapping code for the app. Inability to make assertions on spies/mocks or execute code within the app. Inability to make assertions on spies/mocks or execute code within the app.

Testing 255

Testing Code Servers Testing Tools 255

SQL Performance

SEPTEMBER 21, 2022

One example is using a bitwise representation of a set of user/role permissions. Another example is using a bitwise representation of a set of settings turned on or off in a given environment. Even SQL Server stores some flag-based data using bitwise representation. It’s 1 if the requested bit is set and 0 if it’s not set.

Servers 122

Servers C++ Code Cache 122

Scalegrid

SEPTEMBER 18, 2020

One option is purchasing your own CA-signed SSL certificates and configuring them on the MongoDB server. In this blog post, we show you two methods to securely connect to a MongoDB server configured with self-signed certificates for SSL, using the official C# MongoDB driver. Else the code samples will not work.

C++ 244

C++ Programming Servers Database 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

The Netflix TechBlog

SEPTEMBER 3, 2021

link] Example: Netflix Studio Production Money Heist (La casa de papel) / Netflix Let’s assume there is a Production service that manages Studio Content Productions (in the film and TV industry, the term production refers to the process of making a movie, not the environment to run a software). Field names are not included.

Design 246

Design Java Code Servers 246

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. Instrumentation Instrumentation is the process of adding code to software to generate telemetry signalslogs, metrics, and traces.

Java 183

Java Servers Code Metrics 183

Dynatrace

JANUARY 23, 2024

XML external entity (XXE) exploit The aXMLRPC library allows its users to connect to a server and perform RPC calls using the XML-RPC protocol over HTTP. A possibility to make this exploit successful is a man-in-the-middle attack that intercepts the connection to a legitimate server.

Java 219

Java Servers Code Software 219

Dynatrace

MARCH 18, 2024

For example, Amazon Web Services (AWS) charges for data transfer between Amazon EC2 instances within the same region. For example, poorly written code can consume a lot of resources, or an application can make unnecessary calls to cloud services. They can send a notification saying, “This server is oversized.”

Best Practices 245

Best Practices Strategy Cloud AWS 245

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

APRIL 29, 2021

With CI, multiple software developers can work on different features or modules of the same application and individually commit their updates to a shared code repository as they complete them, often many times a day. When they check in their code, the build management system automatically creates a build and tests it.

DevOps 281

DevOps Logistics Code Software 281

Dynatrace

SEPTEMBER 17, 2020

This meant sacrificing all the benefits of your enterprise LDAP server (for example, a single authentication point or central point for password management that provides additional services, such as password policies and expiration). With this approach, you can easily adjust your code to apply new possibilities.

Games 262

Games Tuning Innovation Servers 262

Dynatrace

NOVEMBER 18, 2021

With PurePath ® distributed tracing and analysis technology at the code level, Dynatrace already provides the deepest possible insights into every transaction. Automatic contextualization of log data works out-of-the-box for popular languages like Java,NET, Node.js, Go, and PHP, as well as for NGiNX and Apache Web servers.

Analytics 234

Analytics Cloud Java Serverless 234

Scalegrid

SEPTEMBER 16, 2019

You can remotely access and navigate another database server. The dashboard lets you monitor server activities such as database locks, connected sessions, and prepared transaction. Since pgAdmin is a web application, you can deploy it on any server and access it remotely.

Open Source 262

Open Source Database Azure Cloud 262

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. TL;DR summary.

Cloud 264

Cloud Java Tuning Monitoring 264

CSS Wizardry

AUGUST 7, 2019

A lot of people surmise that TTFB is merely time spent on the server, but that is only a small fraction of the true extent of things. TTFB isn’t just time spent on the server, it is also the time spent getting from our device to the sever and back again (carrying, that’s right, the first byte of data!). Expect closer to 75ms.

Latency 271

Latency Ecommerce Servers Mobile 271

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. Synthetic Monitoring is used to simulate defined customer behavior, for example when opening a website and clicking a certain button.

Analytics 253

Analytics Infrastructure AWS Operating System 253

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

Scalegrid

JUNE 11, 2019

Open source databases are free community databases with the source code available to the general public to use, and may be modified or used in their original design. Popular examples of open source databases include MySQL, PostgreSQL and MongoDB. Popular examples of commercial databases include Oracle, SQL Server, and DB2.

Open Source 55

Open Source Database Cloud Infrastructure 55

Dynatrace

JULY 24, 2023

For example, consider an e-commerce website that automatically sends personalized discount codes to customers who abandon their shopping carts. This event-driven automation triggers the action of sending the discount code only when the customer abandons the cart abandonment, minimizing revenue loss and increasing conversion rates.

DevOps 231

DevOps Traffic Efficiency Servers 231

Dynatrace

NOVEMBER 3, 2022

Because container as a service doesn’t rely on a single code language or code stack, it’s platform agnostic. The emergence of Docker and other container services enabled companies to transport code quickly and easily. IaaS provides direct access to compute resources such as servers, storage, and networks.

Serverless 226

Serverless Azure Hardware Transportation 226

Dynatrace

DECEMBER 9, 2020

Cloud-native technologies and microservice architectures have shifted technical complexity from the source code of services to the interconnections between services. Deep-code execution details. You get code-level insights into application code without code changes. Dynatrace news. The app is powered by Kubernetes.

Java 245

Java Traffic Architecture Strategy 245

Dynatrace

JANUARY 26, 2021

Within this paradigm, it is possible to run entire architectures without touching a traditional virtual server, either locally or in the cloud. AWS Lambda functions are an example of how a serverless framework works: Developers write a function in a supported language or platform. Building APIs (for example, Amazon API Gateway ).

Serverless 246

Serverless Efficiency Lambda Azure 246

Dynatrace

JULY 2, 2024

The Qualys Threat Research Unit (TRU) has discovered a Remote Unauthenticated Code Execution (RCE) vulnerability in OpenSSH server (sshd) in glibc-based Linux systems. For example, some Proof-of-concept attacks have failed, and these failures write various error messages to the victims’ sshd logs.

AWS 217

AWS Network Traffic Servers 217

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

DECEMBER 16, 2021

Since December 10, days after a critical vulnerability known as Log4Shell was discovered in servers supporting the game Minecraft, millions of exploit attempts have been made of the Log4j 2 Java library, according to one team tracking the impact, with potential threat to millions more applications and devices across the globe. Dynatrace news.

Internet 263

Internet Internet Games Java 263

CSS Wizardry

JUNE 30, 2023

TTFB is a good measure of your server response times and general back-end health, and issues here may have knock-on effects later down the line (namely with Largest Contentful Paint). More accurately, DOMContentLoaded signifies that all blocking and defer and type=module code has finished running. log ( window. performance. Who knows?!

Metrics 330

Metrics Google Monitoring Code 330

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