Dynatrace

DECEMBER 22, 2019

But to understand if your cloud-based applications, as well as environments they run in, are working as designed, you need to see how every single application component communicates and interacts with the others. To reduce your CloudWatch costs and throttling, you can now select from additional services and metrics to monitor.

AWS 133

AWS Metrics IoT Storage 133

The Netflix TechBlog

OCTOBER 26, 2021

False negatives are closely related to the statistical concept of power , which gives the probability of a true positive given the experimental design and a true effect of a specific size. the difference in metric values between Groups A and B?—?the The variability of the metric in the underlying population. Sample size.

Testing 202

Testing Latency Metrics Innovation 202

The Netflix TechBlog

MARCH 10, 2023

This feature support required a significant update in the data table design (which includes new tables and updating existing table columns). Data Sharding strategy in elasticsearch is updated to provide low search latency (as described in blog post) Design of new Cassandra reverse indices to support different sets of queries.

Media 237

Media Traffic Processing Design 237

Dynatrace

SEPTEMBER 13, 2023

This is a set of best practices and guidelines that help you design and operate reliable, secure, efficient, cost-effective, and sustainable systems in the cloud. If you use AWS cloud services to build and run your applications, you may be familiar with the AWS Well-Architected framework.

AWS 246

AWS Efficiency Azure Cloud 246

Dynatrace

MAY 17, 2023

The Dynatrace Site Reliability Guardian is designed for this practice; it allows development teams to define quality objectives in their code, which is validated throughout the delivery process before the code reaches production. The queries are depicted below (sensitive data has been removed).

DevOps 186

DevOps Traffic Latency Best Practices 186

Percona

NOVEMBER 3, 2023

Rather than listing the concepts, function calls, etc, available in Citus, which frankly is a bit boring, I’m going to explore scaling out a database system starting with a single host. And now, execute the benchmark: -- execute the following on the coordinator node pgbench -c 20 -j 3 -T 60 -P 3 pgbench The results are not pretty.

Database 108

Database Benchmarking Latency C++ 108

The Netflix TechBlog

SEPTEMBER 8, 2020

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. After some consultation with our backend teams, we determined the most effective way to group these metrics were by UI screen.

Latency 233

Latency Cache Java Traffic 233

Dynatrace

JANUARY 31, 2024

This freshness measurement can then be used by out-of-the-box Dynatrace anomaly detection to actively alert on abnormal changes within the data ingest latency to ensure the expected freshness of all the data records. Scenario : For many B2B SaaS companies, the number of reported customers is an important metric.

DevOps 194

DevOps Analytics Airlines Metrics 194

The Netflix TechBlog

MARCH 7, 2024

Since its inception , Metaflow has been designed to provide a human-friendly API for building data and ML (and today AI) applications and deploying them in our production infrastructure frictionlessly. In other cases, it is more convenient to share the results via a low-latency API.

Systems 226

Systems Media Cache Open Source 226

Dynatrace

JANUARY 13, 2022

Real user monitoring collects data on a variety of metrics. For example, data collected on load actions can include navigation start, request start, and speed index metrics. Real user monitoring works by injecting code into an application to capture metrics while the application is in use. How real user monitoring works.

Monitoring 179

Monitoring Latency Mobile Best Practices 179

Dynatrace

APRIL 26, 2022

Fast, consistent application delivery creates a positive user experience that can ultimately drive customer loyalty and improve business metrics like conversion rate and user retention. Expanding on the traditional observability pillars of metrics, logs, and traces, DEM collects user experience data to complete the end-to-end picture.

Monitoring 203

Monitoring Social Media IoT Metrics 203

The Netflix TechBlog

AUGUST 30, 2021

In addition, unlike other SQL stores, CockroachDB is designed from the ground up to be horizontally scalable, which addresses our concerns about Cloud Registry’s ability to scale up with the number of devices onboarded onto the Device Management Platform. Construct an Alpakka-Kafka processing graph using the ConsumerSettings bean as an input.

Latency 213

Latency Traffic Transportation Hardware 213

CSS Wizardry

MAY 19, 2020

For each test, I captured the following metrics: First Paint (FP): To what extent is the critical path affected? I’m happy to say, for the metrics that matter the most, we are 700–1,200ms faster. Visually complete was 200ms faster , but any first- metrics were untouched. On a high-latency connection, this spells bad news.

Google 364

Google Media Latency Metrics 364

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. In the image below, three downed nodes make an entire cluster unavailable. How it works.

Availability 247

Availability Hardware Latency Traffic 247

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 180

Lambda AWS Serverless Hardware 180

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. What are SLIs? For example, if your SLO is to deliver 99.5%

Metrics 191

Metrics Best Practices DevOps Infrastructure 191

Dynatrace

JULY 24, 2023

Answer-driven DevOps automation goes beyond creating tickets and extends to executing workflows designed to extract ownership information and then route the ticket to the responsible teams. With swift precision, an answer-driven automation solution that uses causal AI can transform these metrics into invaluable insights.

DevOps 220

DevOps Traffic Efficiency Servers 220

Dynatrace

FEBRUARY 2, 2022

service availability with <50ms latency for an application with no revenue impact. To avoid this, start the SLO discussion early in the design process. However, another of the common SLO pitfalls is that many organizations assemble these metrics manually using disparate tools, which can take time from innovation.

DevOps 196

DevOps Metrics Best Practices Latency 196

Percona

DECEMBER 26, 2023

This PoC demonstrates how to install and configure pg_stat_monitor in order to extract useful and actionable metrics from a PostgreSQL database and display them on a Grafana dashboard. About the environment Grafana: version 10.0.0 Grafana database backend: Prometheus version 2.15.2+d tps, lat 11.718 ms stddev 3.951 progress: 4440.0

Benchmarking 124

Benchmarking Metrics C++ Database 124

John McCalpin

APRIL 25, 2023

The primary metric for memory bandwidth in multicore processors is that maximum sustained performance when using many cores. This metric is interesting because we don’t always have the luxury of parallelizing every application we run, and our operating systems almost always process each call (e.g.,

Benchmarking 97

Benchmarking Cache Latency Tuning 97

Dynatrace

DECEMBER 15, 2022

ITOps refers to the process of acquiring, designing, deploying, configuring, and maintaining equipment and services that support an organization’s desired business outcomes. This includes response time, accuracy, speed, throughput, uptime, CPU utilization, and latency. Performance. What does IT operations do?

Artificial Intelligence 202

Artificial Intelligence DevOps Hardware Virtualization 202

Dynatrace

JANUARY 18, 2023

This methodology aims to improve software system reliability using several key categories such as availability, performance, latency, efficiency, capacity, and incident response. DevOps is a tactical approach to creating and delivering software designed to close the gap between development and IT operations. Congratulations!

DevOps 198

DevOps Best Practices Innovation Strategy 198

Scalegrid

DECEMBER 16, 2019

We ran performance tests for MongoDB on DigitalOcean vs. AWS vs. Azure and found that DigitalOcean performance was in line with, if not better, on both high throughput and low latency in the deployment. DigitalOcean Droplets. The most basic Droplet is their Standard instance which uses shared CPU starting at just $5/month.

Azure 187

Azure AWS Latency Database 187

The Morning Paper

FEBRUARY 6, 2020

’ Stateless is fine until you need state, at which point the coarse-grained solutions offered by current platforms limit the kinds of application designs that work well. On the Cloudburst design teams’ wish list: A running function’s ‘hot’ data should be kept physically nearby for low-latency access.

Lambda 98

Lambda Serverless Cache Latency 98

Smashing Magazine

AUGUST 3, 2023

These pages serve as a pivotal tool in our digital marketing strategy, not only providing valuable information about our services but also designed to be easily discoverable through search engines. Google’s Core Web Vitals is a set of performance metrics that site owners can use to evaluate performance and diagnose performance issues.

Performance 74

Performance Cache Traffic Metrics 74

Alex Russell

FEBRUARY 28, 2022

The metrics that we report against implicitly cleave these into different "camps", leaving us thinking about pre- and post-load as distinct universes. The chief effect of the architectural difference is to shift the distribution of latency within the loop. Improving latency for one scenario can degrade it in another.

Performance 104

Performance Latency Architecture Network 104

Dynatrace

JULY 10, 2019

Dynatrace monitors your full stack and offers you thousands of metrics with almost zero configuration. This article we help distinguish between process metrics, external metrics and PurePaths (traces). OneAgent & application metrics. OneAgent & cloud metrics. Dynatrace news.

Java 137

Java Best Practices Metrics Azure 137

Alex Russell

MAY 9, 2022

This is a complex topic, but to borrow from a recent post , web performance expands access to information and services by reducing latency and variance across interactions in a session, with a particular focus on the tail of the distribution (P75+). Consistent performance matters just as much as low average latency.

Performance 86

Performance Latency Metrics Engineering 86

The Morning Paper

OCTOBER 6, 2019

Prediction serving latency matters. Booking.com estimate the value delivered by a model through randomized controlled trials which measure the impact on business metrics. clicks) that fails to convert into the desired business metric (e.g. clicks) that fails to convert into the desired business metric (e.g.

Latency 102

Latency Metrics Cache Design 102

Alex Russell

DECEMBER 18, 2022

From Edge's telemetry, we see that nearly half of devices fall into our "low-end" designation, which means that they have: HDD s (not SSD s). Since at least 2017, I've grown increasingly frustrated at the way we collectively think about the tradeoffs in frontend metrics. 2-4 CPU cores. 4GB RAM or less. What does this tell us?

Performance 113

Performance Network Mobile Latency 113

Scalegrid

MARCH 22, 2024

They can also bolster uptime and limit latency issues or potential downtimes. Its Database-as-a-Service (DBaaS) offerings are designed for flawless integration within multi-cloud and hybrid-cloud infrastructures. They simplify how you orchestrate everything across the diverse ecosystem of cloud services.

Strategy 130

Strategy Cloud Government Innovation 130

Scalegrid

MARCH 14, 2024

Key elements, including: Cloud Backup and Disaster Recovery Hybrid Cloud Security Interoperability Compliance Must be considered carefully to facilitate smooth workload movement between environments while reducing latency.

Strategy 130

Strategy Cloud Artificial Intelligence Infrastructure 130

Speed Curve

DECEMBER 4, 2023

Earlier this year, when Google announced that Interaction to Next Paint (INP) will replace First Input Delay (FID) as the responsiveness metric in Core Web Vitals in *gulp* March of 2024, we had a lot to say about it. TLDR: FID doesn't correlate with real user behavior, so we don't endorse it as a meaningful metric.) for mobile.

Mobile 54

Mobile Performance Metrics Google 54

The Morning Paper

JULY 4, 2019

This is a fascinating paper from members of Netflix’s Resilience Engineering team describing their chaos engineering initiatives: automated controlled experiments designed to verify hypotheses about how the system should behave under gray failure conditions, and to probe for and flush out any weaknesses.

Latency 77

Latency Engineering Metrics Traffic 77

Smashing Magazine

AUGUST 10, 2023

In fact, there’s great tooling right under the hood of most browsers in DevTools that can do many things that a tried-and-true service like WebPageTest offers, complete with recommendations for improving specific metrics. Certain tools are designed for certain metrics with certain assumptions that produce certain results.

Speed 81

Speed Monitoring Testing Network 81

The Netflix TechBlog

NOVEMBER 22, 2019

This entertaining romp through the tech stack serves as an introduction to how we think about and design systems, the Netflix approach to operational challenges, and how other organizations can apply our thought processes and technologies. We explore all the systems necessary to make and stream content from Netflix.

AWS 100

AWS Entertainment Open Source Benchmarking 100

The Netflix TechBlog

NOVEMBER 22, 2019

This entertaining romp through the tech stack serves as an introduction to how we think about and design systems, the Netflix approach to operational challenges, and how other organizations can apply our thought processes and technologies. We explore all the systems necessary to make and stream content from Netflix.

AWS 100

AWS Entertainment Open Source Benchmarking 100