The Netflix TechBlog

JUNE 14, 2023

The three strategies we will discuss today are AB Testing , Replay Testing, and Sticky Canaries. To launch Phase 1 safely, we used AB Testing. To launch Phase 2 safely, we used Replay Testing and Sticky Canaries. We knew we could test the same query with the same inputs and consistently expect the same results.

Traffic 357

Traffic Latency Metrics Cache 357

Dynatrace

APRIL 16, 2019

So, those of you limited to Windows-only systems can now also enjoy all the goodness of having HTTP monitors deliver API testing right to your door! Support for Windows-based ActiveGates is now available with ActiveGate version 1.165. Internal application availability monitoring. Why use synthetic HTTP monitors?

Availability 145

Availability Monitoring Operating System Mobile 145

Dynatrace

OCTOBER 4, 2024

A central element of platform engineering teams is a robust Internal Developer Platform (IDP), which encompasses a set of tools, services, and infrastructure that enables developers to build, test, and deploy software applications. Test : Playwright executes end-to-end tests.

Software 278

Software Software Development Performance 278

Scalegrid

JULY 13, 2020

Compare PostgreSQL vs. Oracle functionality across available tools, capabilities and services. Compare ease of use across compatibility, extensions, tuning, operating systems, languages and support providers. Not available. Not available. Not available. Compare Functionality. Compare Ease of Use. Total Cost. $0.

Open Source 244

Open Source Tuning C++ Database 244

Dynatrace

JANUARY 14, 2022

However, setting the right parameters for Kubernetes clusters to ensure application availability, performance, and resilience while avoiding overspending isn’t a walk in the park. Tuning thousands of parameters has become an impossible task to achieve via a manual and time-consuming approach. The Akamas approach. Additional resources.

Latency 246

Latency Tuning Efficiency AWS 246

Brendan Gregg

OCTOBER 28, 2024

Our first version is available to customers in the Intel Tiber AI Cloud as a preview for the Intel Data Center GPU Max Series (previously called Ponte Vecchio). I know of companies where flame graphs are a daily tool that developers use to understand and tune their code, reducing compute costs. Why is AI profiling hard?

Programming 130

Programming Hardware Tuning C++ 130

Dynatrace

MARCH 13, 2025

You can also use it to test different OpenTelemetry features and evaluate how they appear on backends. All the needed components are available out of the box in the OpenTelemetry collector contrib distribution, which is included in the demo application. Next, select one of the log lines to view the available attributes.

Open Source 147

Open Source Metrics Architecture Infrastructure 147

Dynatrace

FEBRUARY 1, 2020

Modern web applications rely heavily on Content Delivery Networks (CDNs) and 3rd-party integrations (for example, web analytics, tag managers, chat bots, A/B testing tools, ad providers, and more). In Part 1 we’ll dive into: The need to extend synthetic tests to cope with the CDN-error blind spot. Dynatrace news. Not so fast.

Tuning 241

Tuning Monitoring Network Best Practices 241

Scalegrid

MARCH 23, 2020

It supports high-availability, provides automated load balancing, and has the intelligence to balance load between masters and slaves so write loads are always directed at masters, while read loads are directed to slaves. The Pgpool-II parent process forks 32 child processes by default – these are available for connection.

Cache 264

Cache Servers Architecture Processing 264

Dynatrace

MARCH 8, 2021

Our current coverage of versions, distributions, and platforms is really impressive, though be aware that Dynatrace only tests and provides support for installation of OneAgent on a specific list of systems. The list is constantly being updated as new releases are tested and old releases are deprecated. What about Dynatrace Managed?

Operating System 246

Operating System Hardware Technology Technology 246

Dynatrace

DECEMBER 15, 2020

It has undergone security analysis and testing in accordance with AWS requirements. Of course, all these metrics are available to the Davis AI and support auto-adaptive baselining or threshold-based alerting. Stay tuned for more news about the availability of trace ingest in the coming months. Seeing is believing.

AWS 255

AWS Metrics Analytics Government 255

Dynatrace

MAY 12, 2022

To stay tuned, keep an eye on our release notes. General Availability (Build 1.241.153). General Availability (Build 1.241.153). Test connection button for CloudFoundry settings and Kubernetes cluster settings pages is now disabled for users with missing `settings:write permissions`. New features and enhancements.

Tuning 246

Tuning Metrics Cloud Mobile 246

Dynatrace

SEPTEMBER 28, 2021

Two important ways to improve this metric are to implement quality assurance testing throughout multiple development environments and to automate testing and DevOps processes. A change failure rate above 40% can indicate poor testing procedures, which means teams will need to make more changes than necessary, eroding efficiency.

DevOps 246

DevOps Metrics Traffic Efficiency 246

Percona

FEBRUARY 24, 2023

Today, we are excited to announce the release of Percona Monitoring and Management (PMM) V2.35 , including a tech preview of label-based access control, the general availability of Helm Chart, and a range of enhancements to our Database as a Service (DBaaS) offerings, among other improvements and features. Stay tuned!

Availability 126

Availability Metrics Monitoring Open Source 126

Dynatrace

AUGUST 16, 2021

Automating lifecycle orchestration including monitoring, remediation, and testing across the entire software development lifecycle (SDLC). Providing standardized self-service pipeline templates, best practices, and scalable automation for monitoring, testing, and SLO validation. Annotation. Configuration. Information. Try it yourself.

Software 246

Software Software Open Source Azure 246

The Netflix TechBlog

NOVEMBER 2, 2020

High level playback architecture with priority throttling and chaos testing Building a request taxonomy We decided to focus on three dimensions in order to categorize request traffic: throughput, functionality, and criticality. The computation is done as a first step so that it is available for the rest of the request lifecycle.

Traffic 261

Traffic Metrics Infrastructure Architecture 261

The Netflix TechBlog

AUGUST 22, 2019

Artisan Crafted Images In the Netflix full cycle DevOps culture the team responsible for building a service is also responsible for deploying, testing, infrastructure, and operation of that service. Now each change in the infrastructure is tested, canaried, and deployed like any other code change.

DevOps 210

DevOps AWS Tuning Infrastructure 210

Percona

AUGUST 31, 2018

Out of the box, the default PostgreSQL configuration is not tuned for any particular workload. It is primarily the responsibility of the database administrator or developer to tune PostgreSQL according to their system’s workload. The effective_cache_size provides an estimate of the memory available for disk caching. Conclusion.

Tuning 78

Tuning Database Performance Benchmarking 78

Scalegrid

JUNE 4, 2020

PostgreSQL DigitalOcean Performance Test. Next, we are going to test and compare the latency performance between ScaleGrid and DigitalOcean for PostgreSQL. Here is the configuration we used for the ScaleGrid and DigitalOcean benchmark performance tests highlighted above: Configuration. High Availability. Compare Pricing.

Database 230

Database Latency Benchmarking Performance 230

The Netflix TechBlog

MARCH 14, 2023

We must quickly surface the most stand-out highlights from the titles available on our service in the form of images and videos in the member experience. In addition, we were able to perform a handful of A/B tests to validate or negate our hypotheses for tuning the search experience. Artists and video editors must create them.

Media 299

Media Innovation Energy Architecture 299

The Netflix TechBlog

MAY 1, 2019

Creative choices increasingly tested the limits of our encoding quality. Based on internal listening tests, listening test results provided by Dolby, and scientific studies, we determined that for Dolby Digital Plus at and above 640 kbps, the audio coding quality is perceptually transparent. We began streaming 5.1

Engineering 274

Engineering Network Media Entertainment 274

The Netflix TechBlog

JUNE 13, 2023

Our previous blog post presented replay traffic testing — a crucial instrument in our toolkit that allows us to implement these transformations with precision and reliability. Compared to replay testing, canaries allow us to extend the validation scope beyond the service level.

Traffic 285

Traffic Metrics Systems Strategy 285

Dynatrace

JUNE 4, 2024

Once the learning phase is complete, all subsequent validation results are fed into Davis AI to fine-tune the thresholds based on changed behavior. Evolution of the Site Reliability Guardian icon What’s next The new auto-adaptive thresholds capability is now available in Site Reliability Guardian.

Metrics 297

Metrics Engineering Code Tuning 297

Dynatrace

MAY 5, 2021

Keptn closes the loop of planning, testing, deployment, and analysis in Agile-like environments with the help of quality gates defined by service- and business-level indicators. Requirements surrounding the availability of both services and data are common, and they clearly define the consequences for failure to perform.

Benchmarking 246

Benchmarking Latency Speed Software 246

The Netflix TechBlog

NOVEMBER 9, 2021

To achieve this goal, the Encoding Technologies team made the following design decisions about AV1 encoding recipes: We always encode at the highest available source resolution and frame rate. The Encoding Technologies team took a first stab at this problem by fine-tuning the encoding recipe. Stay tuned!

Media 246

Media Open Source Software Engineering Efficiency 246

Percona

APRIL 7, 2023

If we were to select the most important MySQL setting, if we were given a freshly installed MySQL or Percona Server for MySQL and could only tune a single MySQL variable, which one would it be? MySQL comes pre-configured to be conservative instead of making the most of the resources available in the server. Why is that?

Tuning 145

Tuning Cache Servers Benchmarking 145

Dynatrace

SEPTEMBER 29, 2021

The time and effort saved with testing and deployment are a game-changer for DevOps. For a deeper look into how to gain end-to-end observability into Kubernetes environments, tune into the on-demand webinar Harness the Power of Kubernetes Observability. In production, containers are easy to replicate. Watch webinar now!

Open Source 334

Open Source Traffic DevOps Cloud 334

Dynatrace

NOVEMBER 25, 2019

Let’s take a look at two key indicators from our 2018 Dynatrace ACM Survey: MTTI (Mean Time to Innovate): How long does it take to push a new feature that is fully tested, ready to go to production, until end-users receive it? We’ll go over how to integrate Dynatrace with your load & performance testing tools (e.g.

DevOps 47

DevOps Software Software Performance 47

Dynatrace

MAY 5, 2020

Break up silos, speak the same language, and collaborate toward the same goals: Understand how availability, functionality, and performance are impacting KPIs in Adobe Analytics or similar tools. This allows you to: Have the information available as a timeseries over months or even years. Alert based on your new metric. What’s next.

Analytics 225

Analytics Metrics Google Tuning 225

Dynatrace

JULY 16, 2021

This week my colleague Michael Winkler announced the general availability of Cloud Automation quality gates , a new capability that aims to provide answer-driven release validation as part of your delivery process. You run load tests monitored with Dynatrace and you want to automatically validate to eliminate the manual analysis effort.

DevOps 246

DevOps Open Source Cloud Azure 246

Dynatrace

DECEMBER 2, 2021

These can include business metrics, such as conversion rates, uptime, and availability; service metrics, such as application performance; or technical metrics, such as dependencies to third-party services, underlying CPU, and the cost of running a service. availability of a website over a year, your error budget is.05%.

Metrics 246

Metrics Best Practices DevOps Infrastructure 246

DZone

JANUARY 14, 2020

Client-Side Performance Testing Importance and Introduction. If you're worried about the performance of your web application, you need to test and analyze not only with what happens on the server but also with what happens in the browser. Find out more about client-side performance!

Performance Testing 130

Performance Testing Performance Testing Open Source 130

Dynatrace

JULY 3, 2019

Argument return value capturing with deep object access is available. The lower brown line indicates current performance for PHP test code. So, stay tuned for news about: MongoDB sensors for PHP monitoring. Improved stability as a result of reduced PHP interference. Stack-overflow issues have been resolved. Reduced overhead.

Monitoring 203

Monitoring Ecommerce Internet Internet 203

Dynatrace

MAY 1, 2020

Other distributions like Debian and Fedora are available as well, in addition to other software like VMware, NGINX, Docker, and, of course, Java. The initial release of OneAgent for the ARM platform with OneAgent version 1.191 is certified and tested to work on SUSE Enterprise Linux 15.x, Stay tuned for more details.

Java 182

Java Hardware Metrics Tuning 182

Dynatrace

JUNE 27, 2023

Logs complement out-of-the-box metrics and enable automated actions for responding to availability, security, and other service events. A Dynatrace S3 log forwarder has been available for some time to early adopters, with community support only. Many AWS services and third party solutions use AWS S3 for log storage.

AWS 246

AWS Cloud Lambda Analytics 246

Dynatrace

APRIL 5, 2024

For instance, consider how fine-tuned failure rate detection can provide insights for comprehensive understanding. Please refer to How to fine-tune failure detection (dynatrace.com) for further information. Let’s assume we created a service-availability SLO, monitoring the request failure count against the overall request counts.

Efficiency 264

Efficiency Traffic Tuning Metrics 264

Dynatrace

JULY 6, 2022

Design, implement, and tune effective SLOs. SREs should agree upon SLO dashboards, error tolerances, remediation plans, and alerting tactics and test them in advance. Just over one in five survey respondents has gone beyond the automatic evaluation of SLOs to include BLOs.

Best Practices 246

Best Practices Open Source Tuning Infrastructure 246