The Netflix TechBlog

DECEMBER 7, 2020

VMAF is a video quality metric that Netflix jointly developed with a number of university collaborators and open-sourced on Github. One aspect that differentiates VMAF from other traditional metrics such as PSNR or SSIM, is that VMAF is able to predict more consistently across spatial resolutions, across shots, and across genres (for example.

Metrics 159

Metrics Open Source Tuning Speed 159

Dynatrace

JUNE 4, 2024

Consequently, this blog post highlights the new capability of the Site Reliability Guardian to define auto-adaptive thresholds that tackle the challenge of configuring static thresholds and protect your quality and security investments with relative comparisons to previous validations.

Metrics 297

Metrics Engineering Code Tuning 297

Dynatrace

MAY 28, 2020

In Dynatrace, tagging also allows you to control access rights (via Management Zones), filter data on dashboards or via the API as well as allowing you to control calculation of custom service metrics or extraction of request attributes. This allows us to analyze metrics (SLIs) for each individual endpoint URL.

Engineering 270

Engineering Performance Metrics Best Practices 270

Dynatrace

NOVEMBER 24, 2021

framework , the SNMP extensions are a bundle of everything that’s needed (DataSource configuration, a dashboard template, a unified analysis page template, topology definition, entity extraction rules, relevant metric definitions and more) to get going with monitoring. As with other extensions based on the new Dynatrace Extensions 2.0

Network 246

Network Infrastructure Virtualization Metrics 246

Dynatrace

NOVEMBER 10, 2021

Security vulnerabilities are checked throughout the lifecycle, including comparisons against previous releases. To enrich a release validation with security, simply add one of the out-of-the-box Dynatrace security metrics to your release validation dashboard.

Serverless 246

Serverless DevOps Cloud Metrics 246

Dynatrace

JANUARY 20, 2020

Custom charts allow you to visualize metric performance over time, and USQL tiles allow you to dig deep into user session monitoring data. Aggregation metrics over a set of entities (global aggregation). Metric comparisons over previous timeframes. Dynatrace dashboards support a variety of chart visualizations and tiles.

Metrics 252

Metrics Availability Monitoring Network 252

The Netflix TechBlog

AUGUST 28, 2020

As for HDR, our team is currently developing an HDR extension to VMAF, Netflix’s video quality metric , which will then be used to optimize the HDR streams. ¹ This in turn allows us to compare error rates as well as various metrics related to quality of experience (QoE). The 8-bit stream profiles go up to 1080p resolution.

Network 336

Network Storage Innovation Mobile 336

Scalegrid

FEBRUARY 6, 2025

Architecture Comparison RabbitMQ and Kafka have distinct architectural designs that influence their performance and suitability for different use cases. Performance and Benchmark Comparison When comparing RabbitMQ and Kafka, performance factors such as throughput, latency, and scalability play a critical role.

Latency 147

Latency Analytics Architecture Storage 147

Dynatrace

SEPTEMBER 17, 2019

With the release of Dynatrace 1.177, you can now do exactly this—our most recent dashboarding update provides a powerful comparison feature for all available dashboard tiles. Compare metrics and KPIs over time. Comparisons over time are necessary for analyzing trends. Other improvements.

Metrics 170

Metrics Availability Design 170

Dynatrace

JULY 13, 2021

Service-level indicators (SLIs) are checked against your SLOs early in the lifecycle, including comparison against previous builds. Automated comparison of different timeframes based on SLIs and SLOs. By identifying degradation in quality early in the lifecycle, remediation actions can be triggered automatically.

Cloud 246

Cloud DevOps Benchmarking Speed 246

Dynatrace

APRIL 21, 2022

Most monitoring tools for migrations, development, and operations focus on collecting and aggregating the three pillars of observability— metrics, traces, and logs. Using a data-driven approach to size Azure resources, Dynatrace OneAgent captures host metrics out-of-the-box to assess CPU, memory, and network utilization on a VM host.

Azure 246

Azure Monitoring Virtualization Metrics 246

Dynatrace

APRIL 8, 2022

All metrics, traces, and real user data are also surfaced in the context of specific events. With Dynatrace, you can create custom metrics based on user-defined log events. Comparison of Kubernetes log ingestion via Fluentd and Dynatrace OneAgent. So, let’s compare the two approaches for ingesting logs.

Metrics 130

Metrics Analytics Software Architecture Open Source 130

Dynatrace

FEBRUARY 10, 2021

Automated release inventory and version comparison , which allows teams to easily evaluate the performance of individual release versions, and as needed, roll back to a previous version. Automated release inventory and version comparison. ” – Wim Verhaeghe, KBI-Connect DevOps team lead at Inetum-Realdolmen.

Cloud 242

Cloud DevOps Speed Metrics 242

Dynatrace

JULY 15, 2024

Example NAM TCP test configuration The reporting also looks similar; easy-to-understand charts indicate the availability and performance of the whole network availability monitor, and metrics provide an overall summary and links to currently open problems. Overview and detailed requests comparison.

Availability 246

Availability Network Monitoring Infrastructure 246

Dynatrace

JUNE 8, 2021

You’ll learn how to create production SLOs, to continuously improve the performance of services, and I’ll guide you on how to become a champion of your sport by: Creating calculated metrics with the help of multidimensional analysis. Metric 2: number of requests in error. Let’s start by creating a dashboard to follow our metrics.

Metrics 242

Metrics Tuning Programming Systems 242

Dynatrace

DECEMBER 2, 2021

Symptoms : No data is provided for affected metrics on dashboards, alerts, and custom device pages populated by the affected extension metrics. Select a specific queue or topic to display details about its connected producer and consumer services, as well as technology-specific metrics. Extension logs display errors.

Lambda 246

Lambda Azure Metrics Monitoring 246

Rigor

JUNE 14, 2019

It’s true that what might be considered the “most important” or “best” web performance metrics can vary by industry. These six metrics were not chosen at random – they work together to give you a snapshot of your site’s performance and overall user experience so you can set a baseline and improve speed and usability. Speed Index.

Metrics 101

Metrics Performance Speed Ecommerce 101

Dynatrace

FEBRUARY 9, 2023

The comparison to an iceberg is appropriate in this case. You only need to flip a few settings toggles to activate critical Kubernetes alerts —there’s no need to research which essential metrics you need to alert on, learn a complex query language, figure out which metrics to use, or learn how to capture metrics.

Open Source 246

Open Source Metrics Monitoring Technology 246

Dynatrace

JANUARY 15, 2020

As a part of the Citrix monitoring extension for Dynatrace, we deliver a OneAgent plugin that adds several Citrix-specific WMI counters to the set of metrics reported by OneAgent. These metrics help you understand whether your Citrix landscape is sized correctly for its load.

Latency 52

Latency Performance Virtualization Infrastructure 52

Dynatrace

APRIL 28, 2021

Organizations that have transitioned to agile software development strategies (including the adoption of a DevOps culture and continuous delivery automation) enforce automated solutions for such decision making—or at the very least, use automation in the gathering of a release-quality metrics.

Software 246

Software Software Strategy Metrics 246

Dynatrace

OCTOBER 30, 2023

In a unified strategy, logs are not limited to applications but encompass infrastructure, business events, and custom metrics. A prime example is when a business analyst requests information about how many units of a product were sold within the last month or wants to perform a year-to-year comparison. Set up processing rules.

Best Practices 290

Best Practices Analytics Artificial Intelligence Infrastructure 290

The Netflix TechBlog

AUGUST 24, 2022

Metric A slate recommendation algorithm generates slates and then the user model is used to predict the success/failure of each slate. We compare the change in this metric for different user budget distributions. Paired comparison between RL and Contextual bandit. This is known as the SARSA algorithm.

Metrics 186

Metrics Systems Architecture Processing 186

Dynatrace

SEPTEMBER 3, 2020

In comparison, the AIOps approach discussed within this article, is built upon a radically different deterministic AI engine – at Dynatrace known as Davis – that yields precise, actionable results in real-time. metrics) but it’s just adding another dataset and not solving the problem of cause-and-effect certainty.

Software 264

Software Software Artificial Intelligence Metrics 264

Rigor

JULY 25, 2019

You’ll typically want to find a way to make a connection between a performance metric (such as First Meaningful Paint ) and a business metric (Conversion Rate). We’ve made your life easier by starting the comparison for you. The Simpsons Family = Web Performance Metrics. webperf #perfmatters Click To Tweet. Ned Flanders.

Metrics 19

Metrics Performance Website Performance Google 19

Dynatrace

NOVEMBER 9, 2021

Observability provides deeper technical insights into what’s happening within cloud environments, in comparison to APM and/or traditional monitoring methods. And for observability to be successful, it requires much more than just logs, metrics, and traces. Traditional approaches and tooling simply don’t work in the new cloud world.

DevOps 246

DevOps Innovation Cloud Programming 246

Dynatrace

SEPTEMBER 22, 2021

Application performance monitoring involves tracking key software application performance metrics using monitoring software and telemetry data. Application performance monitoring has a strong focus on specific metrics and measurements. Application performance management.

Innovation 246

Innovation Open Source Monitoring Infrastructure 246

Dynatrace

FEBRUARY 15, 2023

SREs face ever more challenging situations as environment complexity increases, applications scale up, and organizations grow: Growing dependency graphs result in blind spots and the inability to correlate performance metrics with user experience. Additionally, you can easily use any previously defined metrics and SLOs from your environments.

DevOps 246

DevOps Latency Traffic Best Practices 246

Dynatrace

JANUARY 31, 2024

Bringing together metrics, logs, traces, problem analytics, and root-cause information in dashboards and notebooks, Dynatrace offers an end-to-end unified operational view of cloud applications. To observe model drift and accuracy, companies can use holdout evaluation sets for comparison to model data.

Cache 276

Cache Azure Infrastructure Monitoring 276

Dynatrace

JANUARY 16, 2020

Since we began the series pointing out parallels to technical debt, let’s revisit that comparison. Examine large data sets, applying statistical correlation to uncover patterns in observable behaviors, including metrics, events, logs, and alerts. We make sub-optimal or under-informed choices under pressure. Machine learning systems.

Cloud 226

Cloud Artificial Intelligence Virtualization Efficiency 226

Dynatrace

JANUARY 16, 2023

In comparison, on-premises clusters have more and larger nodes: on average, 9 nodes with 32 to 64 GB of memory. In general, metrics collectors and providers are most common, followed by log and tracing projects. Kubernetes infrastructure models differ between cloud and on-premises.

Open Source 358

Open Source Java Operating System Programming 358

DZone

FEBRUARY 27, 2021

There were languages I briefly read about, including other performance comparisons on the internet. According to other comparisons [Google for 'Performance of Programming Languages'] spread over the net, they clearly outshine others in all speed benchmarks. These include Python, PHP, Perl, and Ruby.

Java 214

Java C++ Benchmarking Programming 214

Dynatrace

OCTOBER 8, 2024

Modern observability has evolved from simple metric telemetry monitoring to encompass a wide range of data, including logs, traces, events, alerts, and resource attributes. The native multi-select feature lets users open a filtered group of problems simultaneously, facilitating quick comparisons and detailed analysis.

Infrastructure 264

Infrastructure Cloud Speed Architecture 264

Dynatrace

JANUARY 31, 2024

Scenario : For many B2B SaaS companies, the number of reported customers is an important metric. In this scenario, a manually triggered run of a production pipeline had the unintended consequence of duplicating the reported customer metric.

DevOps 272

DevOps Analytics Airlines Metrics 272

The Netflix TechBlog

FEBRUARY 20, 2019

Having the right metrics available on demand and at a high resolution is key to understanding how a system behaves and helps to quickly troubleshoot performance issues. This makes it much easier for engineers to get the graphs they want arranged in a manner for comparisons and to focus in the required areas. is more clearly visible.

Performance 216

Performance Latency Open Source Metrics 216

The Netflix TechBlog

NOVEMBER 15, 2021

This is the Multiple Comparisons Problem , and there are a number of approaches to controlling the overall false positive rate that we’ll not cover here. Does the metric story hang together? even if, in truth, the null hypothesis is true in each case and there is no actual effect. In Part 2 (What is an A/B Test?),

Metrics 213

Metrics Testing Innovation Design 213

Dynatrace

SEPTEMBER 27, 2024

The goal was to develop a custom solution that enables DevOps and engineering teams to analyze and improve pipeline performance issues and alert on health metrics across CI/CD platforms. Standardized reporting across all CI/CD vendors for easy comparison, including jobs/Errors/Duration charts for Pipelines/Stages/Steps.

Government 246

Government DevOps Azure Scalability 246

The Netflix TechBlog

DECEMBER 10, 2020

The increasing vastness and diversity of what our members are watching make answering these questions particularly challenging using conventional methods, which draw on a limited set of comparable titles and their respective performance metrics (e.g., box office, Nielsen ratings). This challenge is also an opportunity.

Entertainment 243

Entertainment Architecture Network Open Source 243