Dynatrace

FEBRUARY 25, 2020

We introduced Digital Business Analytics in part one as a way for our customers to tie business metrics to application performance and user experience, delivering unified insights into how these metrics influence business milestones and KPIs. But how does this impact business outcomes? A quick peek behind the curtains.

Analytics 207

Analytics Metrics Best Practices Servers 207

The Netflix TechBlog

OCTOBER 7, 2021

Martin Tingley with Wenjing Zheng , Simon Ejdemyr , Stephanie Lane , and Colin McFarland This is the third post in a multi-part series on how Netflix uses A/B tests to inform decisions and continuously innovate on our products. Have a look at Part 1 (Decision Making at Netflix) and Part 2 (What is an A/B Test?).

Testing 226

Testing Games Metrics Innovation 226

Dynatrace

MAY 27, 2021

In my previous article about continuous integration and continuous delivery (CI/CD) , I defined CI/CD and explained how these practices work together to help DevOps teams deliver quality software faster. CD may sound daunting to teams already stretched to the limit. What is continuous delivery? What are the benefits of continuous delivery?

Best Practices 130

Best Practices DevOps Open Source Cloud 130

Smashing Magazine

AUGUST 10, 2023

Running A Page Speed Test: Monitoring vs. Measuring Running A Page Speed Test: Monitoring vs. Measuring Geoff Graham 2023-08-10T08:00:00+00:00 2023-08-10T12:35:05+00:00 This article is sponsored by DebugBear There is no shortage of ways to measure the speed of a webpage. Lighthouse results. Lighthouse results.

Speed 81

Speed Monitoring Testing Network 81

Brendan Gregg

MARCH 16, 2024

Sometimes debuggers and profilers are obivously broken, sometimes it's subtle and hard to spot. From my flame graphs page: CPU flame graph (partly broken) (Click for original SVG.) This is pretty common and usually goes unnoticed as the flame graph looks ok at first glance. These partial stacks get grouped together on the left.

Java 145

Java Cache Google Hardware 145

Percona

APRIL 7, 2023

Are these results good enough? Here’s how the same test performed when running Percona Distribution for PostgreSQL 14 on these same servers: Queries: reads Queries: writes Queries: other Queries: total Transactions Latency (95th) MySQL (A) 1584986 1645000 245322 3475308 122277 20137.61 Why is that?

Tuning 134

Tuning Cache Servers Benchmarking 134

Dynatrace

AUGUST 28, 2020

With the acceleration of complexity, scale, and dynamic systems architectures, under-resourced IT teams are under increasing pressure to understand when there is abnormal behavior, identify the precise reason why this occurred, quickly remediate the issue, and prevent this behavior in the future. How do you make a system ‘observable’?

IoT 160

IoT Infrastructure Monitoring Innovation 160

Percona

AUGUST 29, 2023

So, it’s not an understatement when I say that Citus is one of the more interesting technologies that I’ve come across when scaling PostgreSQL. So, it’s not an understatement when I say that Citus is one of the more interesting technologies that I’ve come across when scaling PostgreSQL.

C++ 78

C++ Database Storage Testing 78

Dynatrace

SEPTEMBER 8, 2020

Chaos engineering provides mechanisms to test for failures, create awareness of this systems in terms of how complex and how distributed they are, and to be proactive. Dynatrace news. Very often, I heard that chaos engineering is only a technique used by larger companies (like Netflix) or in cloud native environments.

Engineering 140

Engineering Cloud Monitoring Testing 140

Smashing Magazine

OCTOBER 18, 2021

There are many key performance indicators (KPI) that measure different points during the lifecycle of the web page (such as TTFB, domInteractive and onload ), but these metrics don’t reflect how the end-user experiences the page. How We Discovered CLS Issue In Our Product Page. Arijit Mondal. 2021-10-18T14:00:00+00:00.

Website 105

Website Google Metrics Testing Tools 105

Testsigma

JANUARY 7, 2022

Many times, not enough efforts are made to communicate clear details, status, risks on the ongoing projects. The real problem, in SDLC, starts when these metrics are considered as a single source of truth or when they are taken up as absolute measures or when used inappropriately. Metrics in SDLC.

Metrics 59

Metrics Games Engineering Processing 59

The Netflix TechBlog

OCTOBER 19, 2020

which is difficult when troubleshooting distributed systems. In our previous blog post we introduced Edgar, our troubleshooting tool for streaming sessions. In our previous blog post we introduced Edgar, our troubleshooting tool for streaming sessions. Trace Instrumentation: how will it impact our service?

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

Smashing Magazine

APRIL 19, 2021

An In-Depth Guide To Measuring Core Web Vitals. An In-Depth Guide To Measuring Core Web Vitals. Google has announced that from 1st May, they will start to consider “Page Experience” as part of Search ranking , as measured by a set of metrics called Core Web Vitals. Barry Pollard. 2021-04-19T08:30:00+00:00.

Google 140

Google Metrics Mobile Analytics 140

Dynatrace

NOVEMBER 15, 2021

Whether a situation arises during development, testing, deployment, or in production, it’s important to work with a solution that can detect conditions in real-time so teams can troubleshoot issues before they slow down development or impact customers. In fact, the global log management market is expected to grow from 1.9

Analytics 208

Analytics Monitoring Artificial Intelligence DevOps 208

Dynatrace

DECEMBER 9, 2020

Confidence for a safe release is provided by more validation of how the changes impact quality, for example, before deploying to production or with impact analysis during blue/green deployments. In these circumstances, Site Reliability Engineering teams face two big challenges: Measuring uptime is not enough anymore.

Metrics 151

Metrics Engineering Google Monitoring 151

Testsigma

OCTOBER 21, 2021

James Espie is a test specialist, a quality engineering proponent, and a continuous learner from Auckland, New Zealand. In this quick QnA, Espie makes the point that software quality begins with people, that more testing doesn’t necessarily mean better quality, and that context matters in metrics. Postman jokes. Do we need to say more?

Engineering 78

Engineering Metrics Testing Games 78

Jos

JUNE 2, 2018

I remember when I learned about dynamic programming, greedy or divide and conquer algorithms. I remember when I learned about dynamic programming, greedy or divide and conquer algorithms. Usually, they are not related with computational complexity, but about serving what’s needed when needed in the best possible way.

Performance 237

Performance Speed Google Media 237

Dynatrace

SEPTEMBER 30, 2021

Cloud services platforms like AWS, Azure, and GCP are reshaping how organizations deliver value to their customers, making cloud migration an increasingly attractive option for running applications. We’ll answer that question and explore cloud migration benefits and best practices for how to go through your migration smoothly.

Cloud 165

Cloud Traffic Best Practices Strategy 165

Dynatrace

JANUARY 20, 2020

So how are non-SAP Operations engineers to understand basic SAP performance counters and have a common platform for dialog with the SAP Basis team? So how are non-SAP Operations engineers to understand basic SAP performance counters and have a common platform for dialog with the SAP Basis team? How many users are affected?

Monitoring 153

Monitoring Performance Infrastructure Network 153

Brendan Gregg

SEPTEMBER 25, 2021

How long does it take to read the time? How would you _time_ time? These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. This is how Java flame graphs looked at the time.

Speed 126

Speed Java AWS Virtualization 126

Randon ASCII

JULY 11, 2022

While investigating some performance mysteries in Chrome I discovered that Microsoft had parallelized how they zero memory, and in some cases this was making it a lot slower. But I’ve now found four different ways to trigger this inefficiency and when it is hit – oh my. Conveniently enough I’d blogged about these hidden costs already.

Cache 105

Cache Energy Google Processing 105

HammerDB

APRIL 19, 2023

Predicting application performance is a difficult art, but an important one when choosing the target deployment environment. In this blog, we aim to call out some key considerations when trying to assess MySQL performance for your application. We will not concern ourselves with the raw throughput of workload.

Performance 54

Performance Benchmarking Cache Storage 54

Smashing Magazine

JULY 1, 2021

It’s A (Front-End Testing) Trap! Six Common Testing Pitfalls And How To Solve Them. It’s A (Front-End Testing) Trap! Six Common Testing Pitfalls And How To Solve Them. All right, but what does this have to do with testing? Front-End Testing Traps. Integration tests have a broader scope.

Testing 120

Testing Best Practices Code Design 120

Percona

JULY 20, 2023

Previously I had written about how the volume of data transmission as part of SQL execution, as well as the cursor location, affects the overall performance. How to detect and measure the impact There is no easy mechanism for measuring the impact of network overhead. It is designed to be very lightweight as well.

Network 61

Network Performance Latency Servers 61

Percona

JUNE 22, 2023

This guide provides an overview of what high availability means, the components involved, how to measure high availability, and how to achieve it. This guide provides an overview of what high availability means, the components involved, how to measure high availability, and how to achieve it.

Availability 106

Availability Database Open Source Hardware 106

Smashing Magazine

JANUARY 11, 2021

How do we actually know where we stand in terms of performance, and what exactly our performance bottlenecks are? How do we actually know where we stand in terms of performance, and what exactly our performance bottlenecks are? LogRocket tracks key metrics, incl. Get a free trial of LogRocket today. Table Of Contents.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

DECEMBER 17, 2020

It’s a daunting world for those who aren’t familiar with it (and even those who are at times), so this checklist breaks down key factors to consider when undertaking an audit. Testing And Monitoring. It can be bolted on to an extent, but that’s never as good as when it’s woven into the site’s DNA. Frederick O’Brien. Quick Wins.

Engineering 130

Engineering Google Website Analytics 130

Testsigma

DECEMBER 19, 2020

But, the catch is that most of them are not following a basic guideline – the Definition of Done for a feature should also include testing and automation of the feature. And just that is the reason why we are laying special emphasis on ‘insprint test automation’. In-sprint test automation simplified! Grab your free copy!

Testing 56

Testing Strategy Software Software 56

Tasktop

JUNE 21, 2022

In a recent webinar with Tasktop CEO and Project to Product author, Dr. Mik Kersten, Bobby described how value stream management (VSM) is proving a core tenet of operating IT with increasing effectiveness. That’s according to research shared by Bobby Cameron, a Vice President and Principal Analyst serving CIOs at Forrester ®.

Technology 52

Technology Technology Government DevOps 52

Speed Curve

JUNE 24, 2019

A while back, our friends at Shopify published this great case study , showing how they optimized one of their newer themes from the ground up – and how they worked to keep it fast. Keep reading to learn how you can apply these best practices to your own site and give your pages a speed boost.

Performance 79

Performance Best Practices Metrics Mobile 79

Dynatrace

OCTOBER 21, 2019

So how are non-SAP Operations engineers to understand basic SAP performance counters and have a common platform for dialog with the SAP Basis team? These Ops engineers need shortcuts and normalization—just enough information to know if SAP is slow and if users are affected. How many users are affected?

Monitoring 109

Monitoring Performance Infrastructure Network 109

Alex Russell

APRIL 29, 2021

Before we get into measuring water levels, I want to make some things excruciatingly clear. Apple bars web apps from the only App Store allowed on iOS. [1]. Apple forces developers of competing browsers to use their engine for all browsers on iOS , restricting their ability to deliver a better version of the web platform.

Media 145

Media Games Education Engineering 145

Tasktop

MAY 5, 2020

“If you measure anything, measure wait time.” When it comes to improving the end-to-end flow of business value across your software delivery organization, one of the first places to start is identifying your wait states. ” Dominica DeGrandis, Making Work Visible . Wait State Variability.

Efficiency 52

Efficiency Metrics Software Software 52

Speed Curve

JULY 3, 2023

For more than ten years, I've been writing about page bloat, its impact on site speed, and ultimately how it affects your users and your business. When we talk about page size, we're referring to overall page weight and complexity. This includes: Size – Total page weight in bytes. on the page. MB of a roughly 8.2

Mobile 52

Mobile Google Metrics Retail 52

Testsigma

DECEMBER 4, 2020

To ensure quality, mobile app testing is essential. In this blog, we will discuss a step-by-step mobile app testing checklist. This is where cross-platform testing comes into the picture. Since the mobile apps have limited storage space and power supply, test for memory utilization as well as battery usage.

Mobile 65

Mobile Testing Operating System Storage 65

Percona

JULY 7, 2023

This blog highlights considerations for keeping your own PostgreSQL databases highly available and healthy. The tolerable downtime depends on business size, operations, and objectives, but that downtime must be minimal to minuscule (see the “Measuring high availability” chart below).

Availability 82

Availability Open Source Architecture Database 82

Alex Russell

JANUARY 30, 2024

And how much more HTML, CSS, and (particularly) JavaScript can a new project afford? How sites manage resources after-load can have a big impact on perceived performance. This isn't charity; it's how teams ensure products stay functional, accessible, and reliable in a market awash in b t. What's changed since last year?

Performance 90

Performance Network Mobile Speed 90