The Netflix TechBlog

DECEMBER 17, 2024

The Challenge of Title Launch Observability As engineers, were wired to track system metrics like error rates, latencies, and CPU utilizationbut what about metrics that matter to a titlessuccess?

Traffic 172

Traffic Scalability Strategy Monitoring 172

Dynatrace

DECEMBER 27, 2022

By implementing service-level objectives, teams can avoid collecting and checking a huge amount of metrics for each service. SLOs can be a great way for DevOps and infrastructure teams to use data and performance expectations to make decisions, such as whether to release and where engineers should focus their time. Reliability.

Software 306

Software Software Benchmarking Latency 306

The Netflix TechBlog

SEPTEMBER 10, 2024

By Jose Fernandez , Sebastien Dabdoub , Jason Koch , Artem Tkachuk The Compute and Performance Engineering teams at Netflix regularly investigate performance issues in our multi-tenant environment. To emit a run queue latency metric, we leveraged three eBPF hooks: sched_wakeup, sched_wakeup_new, and sched_switch.

Latency 262

Latency Metrics Programming Monitoring 262

Dynatrace

SEPTEMBER 18, 2020

By leveraging the Dynatrace Davis AI causation engine to watch for unforeseen changes in underlying API responsiveness, Dynatrace automatically identifies slowdowns in the performance of your API manager and points you to their root cause. High latency or lack of responses. Get a holistic overview of your WSO2 API Manager metrics.

Infrastructure 263

Infrastructure Latency Metrics Cloud 263

Dynatrace

SEPTEMBER 29, 2020

On one hand, they enable our engineers to get their latest enhancements deployed into production. Sydney, we have a disk write latency problem! It was on August 25 th at 14:00 when Davis initially alerted on a disk write latency issues to Elastic File System (EFS) on one of our EC2 instances in AWS’s Sydney Data Center.

Infrastructure 259

Infrastructure Cloud Monitoring AWS 259

Dynatrace

NOVEMBER 28, 2022

The new Amazon capability enables customers to improve the startup latency of their functions from several seconds to as low as sub-second (up to 10 times faster) at P99 (the 99th latency percentile). This can cause latency outliers and may lead to a poor end-user experience for latency-sensitive applications.

Lambda 246

Lambda AWS Serverless Latency 246

DZone

AUGUST 29, 2023

One of the primary responsibilities of Site reliability engineers (SREs) in large organizations is to monitor the golden metrics of their applications, such as CPU utilization, memory utilization, latency, and throughput.

Monitoring 260

Monitoring Latency Network Infrastructure 260

Dynatrace

AUGUST 25, 2023

According to the Google Site Reliability Engineering (SRE) handbook, monitoring the four golden signals is crucial in delivering high-performing software solutions. These signals ( latency, traffic, errors, and saturation ) provide a solid means of proactively monitoring operative systems via SLOs and tracking business success.

Performance 244

Performance Latency Traffic Metrics 244

Dynatrace

MAY 31, 2023

As a result, site reliability has emerged as a critical success metric for many organizations. Site reliability engineering (SRE) has recently become a critical discipline in recent years as the world has shifted in favor of web-based interactions. Mobile retail e-commerce spending in the U. Service-level objectives (SLOs).

Best Practices 246

Best Practices DevOps Latency Metrics 246

Scalegrid

FEBRUARY 24, 2025

While clustering across wide-area networks (WANs) is discouraged due to latency issues, leased links can mitigate some connectivity challenges. Keeping queues short minimizes latency and enhances the overall efficiency of message delivery in RabbitMQ. Keeping queues short maintains a responsive and efficient RabbitMQ setup.

Best Practices 147

Best Practices Traffic Strategy Scalability 147

Dynatrace

MAY 13, 2022

Once you deploy the Dynatrace extension, Dynatrace ingests your Cassandra metrics and analyzes them in context with the entire stack. From there, you can dive deeper into infrastructure metrics (cluster, datacenter, racks, and nodes) and data metrics (keyspaces and tables). Seeing the value.

Azure 246

Azure Latency Metrics Infrastructure 246

Dynatrace

MARCH 16, 2023

So how do development and operations (DevOps) teams and site reliability engineers (SREs) distinguish among good, great, and suboptimal SLOs? Enterprises now have access to myriad metrics they can track and measure, but an abundance of choice doesn’t equal actionable insight. The result?

DevOps 264

DevOps Latency Metrics Traffic 264

The Netflix TechBlog

FEBRUARY 20, 2019

by Jason Koch , with Martin Spier , Brendan Gregg , Ed Hunter Improving the tools available to our engineers to help them diagnose, triage, and work through software performance challenges in the cloud is a key goal for the cloud performance engineering team at Netflix. or “are there noisy neighbors affecting my container task?”.

Performance 216

Performance Latency Open Source Metrics 216

Dynatrace

APRIL 7, 2023

Customers can use AWS Lambda Response Streaming to improve performance for latency-sensitive applications and return larger payload sizes. Customers can use response streaming to achieve the following: Improve Time to First Byte (TTFB) performance for latency-sensitive applications. Return larger payload sizes. How does Dynatrace help?

Lambda 246

Lambda AWS Serverless Latency 246

The Netflix TechBlog

SEPTEMBER 2, 2020

For engineers, instead of whodunit, the question is often “what failed and why?” An engineer can find herself digging through logs, poring over traces, and staring at dozens of dashboards. Edgar provides a powerful and consumable user experience to both engineers and non-engineers alike.

Latency 298

Latency Transportation Engineering Traffic 298

Dynatrace

DECEMBER 4, 2023

“Engineers today lack an easy way to track the tokens and prompt usage of their LLM applications in production. OpenTelemetry has become a standard for collecting traces, metrics, and logs. By using OpenLLMetry and Dynatrace, anyone can get complete visibility into their system, including gen-AI parts with 5 minutes of work.”

Open Source 279

Open Source Metrics Java Latency 279

The Netflix TechBlog

APRIL 27, 2023

Engineers want their alerting system to be realtime, reliable, and actionable. A few years ago, we were paged by our SRE team due to our Metrics Alerting System falling behind — critical application health alerts reached engineers 45 minutes late! It opens doors to support more exciting use-cases.

Storage 297

Storage Cache Metrics Database 297

Dynatrace

NOVEMBER 3, 2021

Monitoring focuses on watching specific metrics. Observability is the ability to understand a system’s internal state by analyzing the data it generates, such as logs, metrics, and traces. For example, we can actively watch a single metric for changes that indicate a problem — this is monitoring.

Monitoring 264

Monitoring Metrics DevOps Scalability 264

Dynatrace

FEBRUARY 15, 2023

This is where Site Reliability Engineering (SRE) practices are applied. SREs use Service-Level Indicators (SLI) to see the complete picture of service availability, latency, performance, and capacity across various systems, especially revenue-critical systems.

DevOps 246

DevOps Latency Traffic Best Practices 246

Dynatrace

MAY 19, 2022

A service-level objective ( SLO ) is the new contract between business, DevOps, and site reliability engineers (SREs). In their new dashboard, they added dimensions for load, latency, and open problems for each component. The “Four Golden Signals” include the following: Latency. The metrics behind the four signals vary by row.

Automotive 290

Automotive Latency Architecture Mobile 290

Dynatrace

APRIL 7, 2022

Micrometer is used for instrumenting both out-of-the-box and custom metrics from Spring Boot applications. Davis topology-aware anomaly detection and alerting for your Micrometer metrics. Topology-related custom metrics for seamless reports and alerts. Micrometer uses a registry to export metrics to monitoring systems.

Metrics 130

Metrics Java Latency Cache 130

Dynatrace

APRIL 7, 2022

Micrometer is used for instrumenting both out-of-the-box and custom metrics from Spring Boot applications. Davis topology-aware anomaly detection and alerting for your Micrometer metrics. Topology-related custom metrics for seamless reports and alerts. Micrometer uses a registry to export metrics to monitoring systems.

Metrics 130

Metrics Java Latency Cache 130

Dynatrace

MAY 21, 2024

That’s because it does not require any pre-prepared schemas, and access to cold/hot storage is fully automatic and with zero latency. Tens or even hundreds of DIY and commercial tools are being used to handle logs, metrics, traces, security events, and vulnerabilities all in their own way.

Technology 275

Technology Technology Analytics Storage 275

The Netflix TechBlog

FEBRUARY 18, 2022

Personalized Experience Refresh Netflix Recommendation engine continuously refreshes recommendations for every member. Scaling Policies To address the thundering herd problem and to keep latencies under acceptable thresholds, the cluster scale-up policies are configured to be more aggressive than the scale-down policies.

Systems 334

Systems Traffic Architecture Mobile 334

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. Beyond SLAs, the emergence of machine learning technical debt poses an additional challenge for model observability.

Cache 276

Cache Azure Infrastructure Monitoring 276

The Netflix TechBlog

JUNE 13, 2023

By collecting and analyzing key performance metrics of the service over time, we can assess the impact of the new changes and determine if they meet the availability, latency, and performance requirements. The results are then evaluated using specific metrics to determine whether the hypothesis is valid.

Traffic 285

Traffic Metrics Systems Strategy 285

Dynatrace

APRIL 5, 2021

Real-time stream processing to perform live activity tracking, data cleansing, metrics generation, and more. You can eliminate the latency issues caused by cold starts — an increase in normal response time when a new instance receives its first request — by using edge-optimized functions that run code closer to users and other projects.

Lambda 258

Lambda AWS Serverless Hardware 258

The Netflix TechBlog

SEPTEMBER 8, 2020

This allowed Android engineers to have much more control and observability over how we get our data. To prepare ourselves for a big change in the tech stack of our endpoint, we decided to track metrics around the time taken to respond to queries. We will talk more about how we used these metrics in the sections to follow.

Latency 241

Latency Cache Java Traffic 241

The Netflix TechBlog

SEPTEMBER 10, 2024

Dynomite is a Netflix open source wrapper around Redis that provides a few additional features like auto-sharding and cross-region replication, and it provided Pushy with low latency and easy record expiry, both of which are critical for Pushy’s workload. As Pushy’s portfolio grew, we experienced some pain points with Dynomite.

Latency 234

Latency Cache Tuning Efficiency 234

Dynatrace

JUNE 1, 2023

Certain SLOs can help organizations get started on measuring and delivering metrics that matter. With this objective, the app ensures that users experience real-time feedback and immediate updates when logging workouts, recording sets and reps, or tracking performance metrics. Latency primarily focuses on the time spent in transit.

Latency 245

Latency Website Traffic DevOps 245

Scalegrid

MAY 11, 2024

MongoDB offers several storage engines that cater to various use cases. The default storage engine in earlier versions was MMAPv1, which utilized memory-mapped files and document-level locking. The newer, pluggable storage engine, WiredTiger, addresses this by using prefix compression, collection-level locking, and row-based storage.

Storage 130

Storage Engineering Cache Database 130

Dynatrace

NOVEMBER 6, 2023

In a recent webinar , Dynatrace DevOps activist Andi Grabner and senior software engineer Yarden Laifenfeld explored developer observability. Why is developer observability important for engineers? When an incident occurs, developers need to know what data to look at, where the incident occurred, and other relevant metrics.

Development 290

Development DevOps Programming Cloud 290

Dynatrace

SEPTEMBER 13, 2023

These workflows also utilize Davis® , the Dynatrace causal AI engine, and all your observability and security data across all platforms, in context, at scale, and in real-time. Workflows are powered by a core platform technology of Dynatrace called the AutomationEngine.

AWS 305

AWS Efficiency Azure Cloud 305

Dynatrace

JUNE 25, 2020

Dynatrace Managed is intrinsically highly available as it stores three copies of all events, user sessions, and metrics across its cluster nodes. The network latency between cluster nodes should be around 10 ms or less. – A Dynatrace customer, Head of Performance Engineering. Dynatrace is a Tier 0 application for us.

Availability 264

Availability Hardware Latency Traffic 264

Dynatrace

AUGUST 27, 2024

This can require process re-engineering to fill gaps and ensuring clear communication and collaboration across security, operations, and development teams. Moreover, the Davis AI engine assists in prioritizing what needs to be fixed first. The Dynatrace platform also delivers runtime application protection for common attack types.

Best Practices 290

Best Practices Government DevOps Analytics 290

Dynatrace

JANUARY 18, 2023

From site reliability engineering to service-level objectives and DevSecOps, these resources focus on how organizations are using these best practices to innovate at speed without sacrificing quality, reliability, or security. SRE applies software engineering principles to operations and infrastructure processes. – blog.

DevOps 246

DevOps Best Practices Innovation Strategy 246

The Netflix TechBlog

NOVEMBER 2, 2020

As engineers at Netflix, we are constantly reevaluating how to redesign traffic management. In Netflix engineering, we’re driven by ensuring Netflix is there when you need it to be. Those two metrics are approximate indicators of failures and latency. Global throttling Another case is when Zuul itself is in trouble.

Traffic 261

Traffic Metrics Infrastructure Architecture 261