2019

article thumbnail

Are Times still Good for Load Testing?

Alex Podelko

My post Good Times for Load Testing was published in 2014. It is difficult to believe that 5 years passed… Are times still good for load testing? Well, yes and no. I am not so upbeat as I was in 2014. If we speak about commercial load testing tools, we see rather a shrinking market and not too much innovation recently. If we speak about open source tools, we definitely see some improvement – but in many areas they are still behind the best commercial tools (yes, many may not need these adv

Testing 243
article thumbnail

Time to First Byte: What It Is and Why It Matters

CSS Wizardry

I’m working on a client project at the moment and, as they’re an ecommerce site, there are a lot of facets of performance I’m keen to look into for them: load times are a good start, start render is key for customers who want to see information quickly (hint: that’s all of them), and client-specific metrics like how quickly did the key product image load?

Latency 269
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

How DevOps Should Use DBaaS (Database-as-a-Service) To Optimize Their Application Development

High Scalability

This post was written by Wendy Dessler of The Blog Frog. Database-as-a-Service (DBaaS) is quickly gaining in popularity across the tech world. These software platform solutions helps users easily manage their database operations without having to really understand any of the abstractions. This allows developers, DBA’s and DevOps engineers to quickly automate their backups, create new SQL and NoSQL clusters, and monitor the performance of their databases for their application without requir

DevOps 207
article thumbnail

2019 Database Trends – SQL vs. NoSQL, Top Databases, Single vs. Multiple Database Use

Scalegrid

Wondering which databases are trending in 2019? We asked hundreds of developers, engineers, software architects, dev teams, and IT leaders at DeveloperWeek to discover the current NoSQL vs. SQL usage, most popular databases, important metrics to track, and their most time-consuming database management tasks. Get the latest insights on MySQL , MongoDB , PostgreSQL , Redis , and many others to see which database management systems are most favored this year.

Database 255
article thumbnail

Reimagining Experimentation Analysis at Netflix

The Netflix TechBlog

Toby Mao , Sri Sri Perangur , Colin McFarland Another day, another custom script to analyze an A/B test. Maybe you’ve done this before and have an old script lying around. If it’s new, it’s probably going to take some time to set up, right? Not at Netflix. ABlaze: The standard view of analyses in the XP UI Suppose you’re running a new video encoding test and theorize that the two new encodes should reduce play delay, a metric describing how long it takes for a video to play after you press the s

Metrics 216
article thumbnail

How to Build a Distributed Load Testing Infrastructure with AWS, Docker, and JMeter

DZone

Before we get into the tutorial hands-on, I would like to mention that this topic is not new. It has been covered in various helpful articles like the ones from TestAutomationGuru. The content which I am about to present has its custom favors and solves specific issues that I have encountered while working with this setup.

article thumbnail

The topics to watch in software architecture

O'Reilly Software

Microservices, serverless, AI, ML, and Kubernetes are among the most notable topics in our analysis of proposals from the O’Reilly Software Architecture Conference. The speaker proposals we receive for the O’Reilly Software Architecture Conference are valuable because they come from speakers who are often the leading names in their fields. These go-to experts and practitioners operate on the front lines of technology.

More Trending

article thumbnail

Optimize Images for Web

KeyCDN

When it comes to marketing your website, there are a lot of different aspects to consider, such as speed, SEO, conversation rates, bounce rate, and many others. We normally focus solely on the performance aspect, but today we want to dive into additional ways you can optimize images for the web. The file size of your images of course is very important, but SEO and social media also play an important part in helping your website perform and convert better.

article thumbnail

5G Will Definitely Make the Web Slower, Maybe

CSS - Tricks

Scott Jehl has written this wonderful piece about how 5G is on the horizon and how it could cause problems for users. But first, he starts by talking about the overwhelming positive news about it: [.] as it matures 5G is predicted to improve network speeds dramatically. Carriers are predicting download speeds in 2019 for anywhere from 100Mb to 1 Gbit per second on average.

Network 84
article thumbnail

Cache-Control for Civilians

CSS Wizardry

The best request is the one that never happens: in the fight for fast websites, avoiding the network is far better than hitting the network at all. To this end, having a solid caching strategy can make all the difference for your visitors. ?? How is your knowledge of caching and Cache-Control headers? — Harry Roberts (@csswizardry) 3 March, 2019.

Cache 264
article thumbnail

The Future of Performance Testing

Alex Podelko

Following up my post Are Times still Good for Load Testing? , I decided to answer multiple comments here separately. First, I’d like to elaborate on “It may be less need for simple load testing due to increased scale and sophistication of systems” I meant that the traditional way – testing the system before deploying in production using production-type workload – is not the only way anymore.

article thumbnail

How to get the most value out of Session Replay: Use cases and examples

Dynatrace

Dynatrace news. At Dynatrace, we’re constantly striving to come up with solutions that can help modernize your performance and user experience monitoring strategies. Session Replay is one such feature, allowing you to capture and visually replay your users’ experiences with your application, just like you’re watching a movie. Session Replay can significantly improve the way your team performs tasks such as: Resolving customer complaints by watching visual replays so that you know exactly w

Traffic 216
article thumbnail

How is software developed at Amazon?

High Scalability

How is software developed at Amazon? Get a couple of prime pizzas delivered and watch this excellent interview with Ken Exner, GM of AWS Developer Tools. It's notable Ken is from the tools group, because progress in an industry is almost always made possible by the development of better tools. The key themes from the talk: decomposition, automation, and organize around the customer.

Software 279
article thumbnail

Managing High Availability in PostgreSQL – Part III: Patroni

Scalegrid

In our previous blog posts, we discussed the capabilities and functioning of PostgreSQL Automatic Failover (PAF) by Cluster Labs and Replication Manager (repmgr) by 2ndQuadrant. In the final post of this series, we will review the last solution, Patroni by Zalando, and compare all three at the end so you can determine which high availability framework is best for your PostgreSQL hosting deployment.

article thumbnail

Engineering a Studio Quality Experience With High-Quality Audio at Netflix

The Netflix TechBlog

by Guillaume du Pontavice, Phill Williams and Kylee Peña (on behalf of our Streaming Algorithms, Audio Algorithms, and Creative Technologies teams) Remember the epic opening sequence of Stranger Things 2 ? The thrill of that car chase through Pittsburgh not only introduced a whole new set of mysteries, but it returned us to a beloved and dangerous world alongside Dustin, Lucas, Mike, Will and Eleven.

article thumbnail

Which Programming Language Is Most Popular for UI Test Automation in 2019?

DZone

Which language do you use for test automation? There is always a lot of uncertainty around which programming language to use when starting a new test automation project. Should you go with the same language that the development team is using? Or should you choose a language that has an abundance of community support so that you can easily get help when stuck?

article thumbnail

The power of relationships in data

All Things Distributed

Have you ever received a call from your bank because they suspected fraudulent activity? Most banks can automatically identify when spending patterns or locations have deviated from the norm and then act immediately. Many times, this happens before victims even noticed that something was off. As a result, the impact of identity theft on a person's bank account and life can be managed before it's even an issue.

article thumbnail

Uber Infrastructure in 2019: Improving Reliability, Driving Customer Satisfaction

Uber Engineering

Every day around the world, millions of trips take place across the Uber network, giving users more reliable transportation through ridesharing, bikes, and scooters, drivers and truckers additional opportunities to earn, employees and employers more convenient business travel, and hungry … The post Uber Infrastructure in 2019: Improving Reliability, Driving Customer Satisfaction appeared first on Uber Engineering Blog.

article thumbnail

NULL complexities – Part 1

SQL Performance

NULL handling is one of the trickier aspects of data modeling and data manipulation with SQL. Let's start with the fact that an attempt to explain exactly what a NULL is is not trivial in and of itself. Even among people who do have a good grasp of relational theory and SQL, you will hear very strong opinions both in favor and against using NULLs in your database.

article thumbnail

Why you should test according to your product's maturity

TechBeacon Testing

When it comes to QA, I am often asked, "What should my testing strategy be?" The answer, unfortunately, isn't clear-cut because it depends on your product's level of maturity.

Testing 114
article thumbnail

Self-Host Your Static Assets

CSS Wizardry

One of the quickest wins—and one of the first things I recommend my clients do—to make websites faster can at first seem counter-intuitive: you should self-host all of your static assets, forgoing others’ CDNs/infrastructure. In this short and hopefully very straightforward post, I want to outline the disadvantages of hosting your static assets ‘off-site’, and the overwhelming benefits of hosting them on your own origin.

Cache 274
article thumbnail

TLA+ model checking made symbolic

The Morning Paper

TLA+ model checking made symbolic Konnov et al., OOPSLA’19. TLA+ is a formal specification language ( T emporal L ogic of A ctions) particularly well suited to reasoning about distributed algorithms. In addition to the specification language, the TLA+ toolset includes a model checker (TLC) and a theorem prover (TLAPS). Given the huge state spaces involved in many real-world settings, the TLC model checker can take a long time / a lot of resources to run.

Tuning 106
article thumbnail

CIO research: Cloud complexity of growing concern

Dynatrace

Dynatrace news. My favorite slide, that I used in nearly every one of my presentations, is a simple statement; “You have one of the hardest jobs in the world.”. I see people nod their head, smile and sometimes pull out a phone and take a photo. Never before has software been so critical to the success of a business. As every company, and government department is pushed to digitally transform, accelerate workloads to the cloud, release better software faster, and then ensure it works perfectly ac

Cloud 215
article thumbnail

A Hybrid Cloud Approach from FraudGuard.io that Handles 50M Requests a Day

High Scalability

div align="center">. This is a guest post from Ryan Averill at FraudGuard.io. At FraudGuard.io we are a team of just a few developers; all working with our customers to try to make their applications as safe as possible. We have been working on FraudGuard for about 3 years and we’ve had paying customers for more than 2 years now. The main idea behind FraudGuard is for us to get attacked so you don’t have to.

Cloud 235
article thumbnail

Managing MySQL Server Logs: Rotate, Compress, Retain & Delete

Scalegrid

MySQL Server generates several logs that can help you monitor the activities of the server. However, once these logs are enabled, they can grow in size and start taking up too much disk space. This is why it’s important to have an automated way of archiving and preserving MySQL log files for a certain duration, as well as deleting the old ones. In this blog post, we describe some best practices for setting up and managing MySQL error logs, general logs and slow query logs for your MySQL deployme

Servers 247
article thumbnail

Predictive CPU isolation of containers at Netflix

The Netflix TechBlog

By Benoit Rostykus, Gabriel Hartmann Noisy Neighbors We’ve all had noisy neighbors at one point in our life. Whether it’s at a cafe or through a wall of an apartment, it is always disruptive. The need for good manners in shared spaces turns out to be important not just for people, but for your Docker containers too. When you’re running in the cloud your containers are in a shared space; in particular they share the CPU’s memory hierarchy of the host instance.

Cache 252
article thumbnail

Your Guide to Automated Testing [Article and Tutorials]

DZone

It's time to automate you testing process! What Is Automated Testing? DZone Refcard: Automated Testing: Improving Application Speed and Quality — Learn more about mobile testing in Kotlin, go beyond what Selenium provides for web application testing, and take a deep dive into trends such as Behavioral-Driven Development and Visual Regression. Getting Started With Automated Testing by Jason Simon — A breakdown of all the information about Automated Testing into more digestible pieces to make it e

Testing 336
article thumbnail

Expanding the AWS Cloud – Introducing the AWS Asia Pacific (Hong Kong) Region

All Things Distributed

Today, I am happy to introduce the new AWS Asia Pacific ( Hong Kong ) Region. AWS customers can now use this Region to serve their end users in Hong Kong SAR at a lower latency, and to comply with any data locality requirements. The AWS Asia Pacific (Hong Kong) Region is the eighth active AWS Region in Asia Pacific and mainland China along with Beijing, Mumbai, Ningxia, Seoul, Singapore, Sydney, and Tokyo.

AWS 166
article thumbnail

Uber’s Data Platform in 2019: Transforming Information to Intelligence

Uber Engineering

Uber’s busy 2019 included our billionth delivery of an Uber Eats order, 24 million miles covered by bike and scooter riders on our platform, and trips to top destinations such as the Empire State Building, the Eiffel Tower, and the … The post Uber’s Data Platform in 2019: Transforming Information to Intelligence appeared first on Uber Engineering Blog.

article thumbnail

Average Page Load Times for 2020 – Are you faster?

MachMetrics

With another year winding down, it’s time for us to take stock of how our site performance compares to the average page load times for 2020. Similar to our article Average Page Load Times for 2018 , we’ll go over the averages for metrics and help you determine if your site is faster or slower than average. Source: ThinkWithGoogle. As you know, there are many metrics that determine a website’s page speed, and we can’t look at just one of them to determine how performant ou

article thumbnail

11 top open-source test automation frameworks: How to choose

TechBeacon Testing

If you're thinking about building your own test automation framework, think again. In most cases, you'd do better to consider one or more of the open-source options available.

article thumbnail

BPF Performance Tools: Linux System and Application Observability (book)

Brendan Gregg

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. The book includes over 150 BPF observability tools that you can run to find performance wins and troubleshoot software, and also shows you how to write your own.

Systems 111
article thumbnail

25 Experts Share Their Tips for building Scalable Web Application

Simform

How do you build Scalable Web Apps that users not only love but come over & over again? We’ve pulled together tips from 25+ experts all over the web so that you can make sure they’re using the best of Web Scalability tips without failure. Here's what some of them had to say. The post 25 Experts Share Their Tips for building Scalable Web Application appeared first on Insights on Latest Software Technologies - Simform Blog.

article thumbnail

How AI Solves the Kubernetes Complexity Conundrum

Dynatrace

Dynatrace news. Kubernetes has certainly earned its reputation as a pivotal part in enterprise IT’s shift from yesterday’s monoliths to today’s more dynamic microservices, containers and multi-cloud infrastructures. But the shift has been a double-edged sword. On the one hand, Kubernetes is a major catalyst for accelerating enterprise digital transformation, providing new opportunities for building, deploying and managing applications and clouds.

DevOps 206
article thumbnail

From bare-metal to Kubernetes

High Scalability

This is a guest post by Hugues Alary , Lead Engineer at Betabrand , a retail clothing company and crowdfunding platform, based in San Francisco. This article was originally published here. Early infrastructure. VPS. Rackspace. OVH. Hardware infrastructure. The scalability and maintainability issue. Scaling development processes. The advent of Docker.

Retail 233
article thumbnail

Best Practice for Creating Indexes on your MySQL Tables

Scalegrid

By having appropriate indexes on your MySQL tables, you can greatly enhance the performance of SELECT queries. But, did you know that adding indexes to your tables in itself is an expensive operation, and may take a long time to complete depending on the size of your tables? During this time, you are also likely to experience a degraded performance of queries as your system resources are busy in index-creation work as well.

article thumbnail

Netflix Hack Day?—?November 2019

The Netflix TechBlog

Netflix Hack Day?—?Fall 2019 By Tom Richards , Carenina Garcia Motion , and Leslie Posada Hack Day at Netflix is an opportunity to build and show off a feature, tool, or quirky app. The goal is simple: experiment with new ideas/technologies, engage with colleagues across different disciplines, and have fun! We know even the silliest idea can spur something more.