DZone

MAY 12, 2019

Today, we're going to talk about JUnit and unit testing, one of the key skills for any software developer. You may already know that JUnit and Mockito are two of the most popular testing libraries for Java applications, and you will find them in almost every Java application classpath.

Java 189

Java Testing DevOps Code 189

CSS Wizardry

FEBRUARY 25, 2021

This, of course, is exacerbated by the new Vitals announcement, whereby data from the Chrome User eXperience Report will be used to aid and influence rankings. WebPageTest is easily, by far, without a shadow of a doubt, the single most important tool when it comes to web performance. Everything is very Google centric. It’s vital.

Network 225

Network Mobile Performance Traffic 225

Alex Podelko

AUGUST 18, 2019

While there are still quite a lot of cases where it is still applicable, it needs to evolve into more sophisticated processes tightly integrated with development and other parts of performance engineering. That dictates changes needed in performance testing (and, eventually, performance testing tools).

Performance Testing 243

Performance Testing Testing Performance Testing Tools 243

Dynatrace

APRIL 10, 2020

In the rest of the blog I walk you through the steps that allows our teams to identify a “memory hungry” Jenkins plugin and how the removal of this no longer needed plugin resulted in an overall 3x improvement of Jenkins performance. As a negative side effect, the team ran into a JVM bug which they could workaround though.

Java 257

Java Performance DevOps Engineering 257

Smashing Magazine

FEBRUARY 8, 2022

Statoscope: A Course Of Intensive Therapy For Your Bundle. Statoscope: A Course Of Intensive Therapy For Your Bundle. Statoscope processes the stats, performs analysis and provides a visual representation to interpret the results in a convenient form: ( Large preview ). Sergey Melukov. 2022-02-08T10:00:00+00:00. Large preview ).

Storage 79

Storage Code Metrics C++ 79

Smashing Magazine

FEBRUARY 27, 2024

With performance at the forefront of my mind, I decided to head over to MDN for a fresh look at the Performance API. The Performance API is huge in that it contains a lot of different interfaces, properties, and methods. The element performance metric type doesn’t work with the performance.getEntries() method anyway.

Performance 95

Performance Metrics Monitoring Google 95

Testsigma

NOVEMBER 28, 2019

Certifications, typically, are proof of the enhanced prowess in the stream for which the course has been taken. Certifications and Courses help validate as well as enhance our technical capability in a specific vertical. A lot of these tools also need a fair amount of time to be invested in learning courses and doing certifications.

Website 53

Website Testing Programming Automotive 53

Percona

MARCH 23, 2023

This blog is in reference to our previous ones for ‘Innodb Performance Optimizations Basics’ 2007 and 2013. Although there have been many blogs about adjusting MySQL variables for better performance since then, I think this topic deserves a blog update since the last update was a decade ago, and MySQL 5.7

Performance 123

Performance Hardware Tuning Storage 123

Scalegrid

JUNE 22, 2020

MySQL DigitalOcean Performance Benchmark. We are going to use a common, popular plan size using the below configurations for this performance benchmark: Comparison Overview. The greatest performance improvement can be seen in the higher thread count rows of 175 and 200 threads where ScaleGrid achieves over 45% higher throughput.

Database 217

Database Benchmarking Latency Performance 217

Dynatrace

JUNE 1, 2020

Application Performance Monitoring (APM) in its simplest terms is what practitioners use to ensure consistent availability, performance, and response times to applications. APM can also be referred to as: Application performance management. Performance monitoring. Dynatrace news. Application monitoring.

Monitoring 132

Monitoring Performance Social Media Artificial Intelligence 132

Percona

DECEMBER 11, 2023

A quick configuration change may do the trick in improving the performance of your AWS RDS for MySQL instance. Here, we will discuss a notable new feature in Amazon RDS, the Dedicated Log Volume (DLV), that has been introduced to boost database performance. 2xlarge c5.2xlarge MySQL 8.0.31

AWS 96

AWS Benchmarking Performance Traffic 96

Alex Russell

JANUARY 30, 2024

The usual caveats also apply: Performance is a deep and nuanced domain, and much can go wrong beyond content size and composition. How sites manage resources after-load can have a big impact on perceived performance. Until and unless teams have better data about their performance, the global baseline budget should be enforced.

Performance 90

Performance Network Mobile Speed 90

CSS Wizardry

OCTOBER 27, 2018

A lot of companies—even if they are aware that performance is key to their business—are often unsure of how, when, or where performance testing sits within their development lifecycle. To make things worse, they’re also usually unsure whose responsibility performance measuring and monitoring is. Who: Engineers.

Performance Testing 172

Performance Testing Testing Performance Strategy 172

Alex Podelko

JULY 13, 2018

One software vendor ask me, along with a few other performance professionals, to answer questions related to performance trends. That, of course, should involve more automation to performance checks. Are there any industry trends that you find either overrated or underrated in regards to performance?

Performance 113

Performance DevOps Engineering Performance Testing 113

Brendan Gregg

JULY 15, 2020

Eight years ago I wrote _Systems Performance: Enterprise and the Cloud_ (aka the "sysperf" book) on the performance of computing systems, and this year I'm excited to be releasing the second edition. A year ago I announced [BPF Performance Tools: Linux System and Application Observability]. Thanks to everyone for their support.

Systems 145

Systems Cloud Performance Tuning 145

Dynatrace

APRIL 14, 2020

Well, that’s exactly what the Dynatrace University team did to support Dynatrace’s hands-on training (HoT) days at Dynatrace’s annual user conference Perform in Las Vegas. Dynatrace University is the team within Dynatrace that provides certification, self-paced micro-learning courses, and interactive instructor-led training.

AWS 169

AWS Lambda Performance Infrastructure 169

Speed Curve

FEBRUARY 25, 2021

I love conversations about performance, and I'm fortunate enough to have them a lot. I hope this post can serve that purpose and cover a few of the fundamental areas of web performance that I’ve found to be most useful while honing the craft of product management. How is performance measured? The audience varies.

Performance 143

Performance Benchmarking Metrics Monitoring 143

Alex Russell

MARCH 6, 2021

Back in 2016, I gave a talk outlining the causes and effects of the terrible performance of web apps built using popular tools on the fastest-growing device segment: low-end to mid-range Android phones. Poor performance has a compound effect on user expectations at an ecosystem level. Live by the link, die by the link.

Performance 124

Performance Network Cache Metrics 124

Smashing Magazine

JANUARY 11, 2021

Front-End Performance Checklist 2021. Front-End Performance Checklist 2021. This guide has been kindly supported by our friends at LogRocket , a service that combines frontend performance monitoring , session replay, and product analytics to help you build better customer experiences. Web performance is a tricky beast, isn’t it?

Performance 145

Performance Cache Media Metrics 145

Dynatrace

FEBRUARY 28, 2022

For instance, traditional universities that had never offered virtual courses are now letting students learn remotely. Performance planning. One of our customers, a large insurance company with over 700 Dynatrace users, leverages Dynatrace University as part of its ongoing employee education and performance acceleration program.

Virtualization 208

Virtualization Education Cloud Monitoring 208

Smashing Magazine

AUGUST 9, 2022

Core Web Vitals Tools To Boost Your Web Performance Scores. Core Web Vitals Tools To Boost Your Web Performance Scores. Essentially, a web vital is a quality standard for UX and web performance set by Google. Essentially, a web vital is a quality standard for UX and web performance set by Google. Zara Cooper.

Performance 130

Performance Benchmarking Website Metrics 130

Percona

OCTOBER 10, 2023

Performing an operation is always challenging when dealing with K8s. You can perform a DIRECT ALTER, use a tool such as pt-osc, or even, for certain cases where async replication is in use, perform changes on replicas and failover. You can just connect to the MySQL service POD and perform the ALTER.

Database 94

Database Performance C++ Engineering 94

DZone

JANUARY 4, 2022

As working on such an operation needs a precise system that can aid the ultimate goal of performance, functionality, and of course a pleasing user response. This is why most newbies entering the industry tend to find automated functional testing a complex operation.

Software 273

Software Software Testing Strategy 273

DZone

JULY 23, 2021

They ensure that end-users receive the best-performing app or product with minimal bugs or performance issues. A great mobile tester is someone who is empathetic, communicates well, understands the product, knows how to use common testing tools, and (as an added bonus) knows how to measure mobile app performance.

Mobile 246

Mobile Testing Tools Testing Development 246

Dynatrace

APRIL 19, 2024

Of course, development teams need to understand how their code behaves in production and whether any issues need to be fixed. This allows the FinOps team to use DQL to perform analysis, such as identifying how many compute resources are running that could be covered with a savings plan.

AWS 229

AWS Analytics Cloud Monitoring 229

Alex Podelko

OCTOBER 3, 2017

I am very excited by the upcoming CMG imPACt performance and capacity conference. It is only such vendor-neutral, 4-day, 5-track conference devoted completely to performance, capacity, scalability, and adjacent topics. This year it would be held on November 6-9, 2017 in New Orleans, LA. More information here. Full program.

IoT 113

IoT Performance Programming Performance Testing 113

Dynatrace

NOVEMBER 6, 2023

At a recent Dynatrace Perform conference , Priya Satheesh, Senior Director of Global ISV Sales at Microsoft, shared three trends enterprises should prepare for. Together, Dynatrace and Azure are setting the course for success for enterprises tomorrow. The speed of change is only going to accelerate, thus requiring more innovation.

Azure 179

Azure Technology Technology Cloud 179

Alex Podelko

AUGUST 24, 2017

I, of course, am looking from a somewhat different – performance – point of view, so not going to jump into details of the discussion too deeply. We, of course, have a lot of consultants who specialize on setting agile / DevOps / Continuous Integration / etc. or there is no API to talk about at all.

Testing 140

Testing Performance Performance Testing Testing Tools 140

Alex Podelko

OCTOBER 28, 2016

I am looking forward to share my thoughts on ‘Reinventing Performance Testing’ at the imPACt performance and capacity conference by CMG held on November 7-10, 2016 in La Jolla, CA. Sometimes it even lead to conclusions like “performance testing hitting the wall” just because load generation may be a challenge. – Cloud.

Performance Testing 100

Performance Testing Technology Technology Testing 100

Dynatrace

FEBRUARY 8, 2024

For women in technology, these strategies have never been more important to help them survive and thrive as they embark on a new era of AI-enabled work, agreed panelists at the “Women in Tech” panel at Dynatrace Perform 2024. The ‘Women in Tech’ panel at Dynatrace Perform 2024.

Artificial Intelligence 271

Artificial Intelligence Technology Technology Strategy 271

Brendan Gregg

JULY 15, 2019

BPF (eBPF) tracing is a superpower that can analyze everything, and I'll show you how in my upcoming book BPF Performance Tools: Linux System and Application Observability , coming soon from Addison Wesley. Early courses covered only the DTrace language, and expected students to figure out what to do with it.

Systems 111

Systems Performance Education Technology 111

The Netflix TechBlog

MARCH 5, 2024

The consistency in request rates, request patterns, response time and allocation rates we see in many of our services certainly help ZGC, but we’ve found it’s equally capable of handling less consistent workloads (with exceptions of course; more on that below). Reference processing is also only performed in major collections with ZGC.

Latency 228

Latency Java Tuning Efficiency 228

Speed Curve

DECEMBER 20, 2023

Ten years is a lot of time to reflect, and over this past year our team has been thinking a lot about not just the "what" and "how" of web performance, but also the "why". In that time, we've seen people's interest in performance dramatically increase, especially in the world of SEO. Among other things, we turned ten !

Performance 58

Performance Metrics Speed Google 58

Smashing Magazine

MARCH 25, 2021

How To Boost Media Performance On A Budget. How To Boost Media Performance On A Budget. However, just as out-of-control spending bodes ill in the long run, so does unbudgeted digital media decimate site performance. Performance Budgets. “A A performance budget is ‘. Business Performance. Akshay Ranganath.

Media 117

Media Performance Mobile Latency 117

Dynatrace

DECEMBER 21, 2023

Level 2: Hosts and containers You might run thousands of hosts and containers, many of which have been sized by prioritizing performance over energy consumption. Of course, you need to balance these opportunities with the business goals of the applications served by these hosts. How many of these have been over-provisioned?

Cloud 217

Cloud Energy Best Practices Cache 217

Alex Russell

MAY 9, 2022

Despite advances in browser tooling , automated evaluation , lab tools , guidance , and runtimes , however, teams struggle to deliver even decent performance with today's popular frameworks. What is Performance? It may seem a silly question, but what is performance, exactly?

Performance 86

Performance Latency Metrics Engineering 86

Tim Kadlec

FEBRUARY 20, 2020

One of the absolute best things you can do to help keep performance in check is to provide a series of visible, well-placed checks and balances in your development workflow to always keep performance front-of-mind. It essentially provides in-browser performance linting. Oversized-images. Unoptimized Images.

Performance 136

Performance Media Best Practices Development 136