High Scalability
APRIL 8, 2020
There may be an undiscovered tribe deep in some jungle somewhere that hasn’t made up their mind on microservices, but I doubt it. People love microservices or love to hate microservices. There’s not much in between. So it means something when even a team at a company like Uber announces a change away from microservices to something else.
Scalegrid
APRIL 28, 2020
If you’re hosting your databases in the cloud, choosing the right cloud service provider is a significant decision to make for your long-term hosting costs. This is especially apparent in today’s world where organizations are doing whatever they can to optimize and reduce their costs. Over the last few weeks, we have been inundated with requests from SMB customers looking to improve the ROI on their database hosting.
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DZone
APRIL 13, 2020
In a previous post , we explored the PIT Mutation Testing Maven plugin. This time, we will take a look at how we can integrate the results with SonarQube, our favorite software analysis tool. Introduction. Before reading this post, it is advised to revise our previous post about Mutation Testing. In short, with Mutation Testing faults (or mutants) are introduced into your code and consequently, your tests are run again.
CSS Wizardry
APRIL 22, 2020
One of the more fundamental rules of building fast websites is to optimise your assets, and where text content such as HTML, CSS, and JS are concerned, we’re talking about compression. The de facto text-compression of the web is Gzip, with around 80% of compressed responses favouring that algorithm, and the remaining 20% use the much newer Brotli. Of course, this total of 100% only measures compressible responses that actually were compressed—there are still many millions of resources that could
Dynatrace
APRIL 10, 2020
Dynatrace news. In my last blog I covered how our Engineering Productivity (EP) and Infrastructure & Services (IAS) Teams are ensuring that our DevOps tool chain is running as expected, even while workloads have shifted as our global engineering teams are now working from home. Right after posting the blog another related story was brought to my attention which I am happy to share in this blog.
The Netflix TechBlog
APRIL 20, 2020
How Netflix brings safer and faster streaming experience to the living room on crowded networks using TLS 1.3 By Sekwon Choi At Netflix, we are obsessed with the best streaming experiences. We want playback to start instantly and to never stop unexpectedly in any network environment. We are also committed to protecting users’ privacy and service security without sacrificing any part of the playback experience.
High Scalability
APRIL 27, 2020
You know nothing about DynamoDB. At least that’s what I realized the first time I heard Rick Houlihan give his now infamous talk at AWS re:Invent 2018 on Amazon DynamoDB Deep Dive: Advanced Design Patterns for DynamoDB. In that talk Rick revealed for the first time the inner arcana of single-table design. Minds were blown. Weaknesses were revealed.
Technology Performance Pulse brings together the best content for technology performance professionals from the widest variety of industry thought leaders.
DZone
APRIL 9, 2020
Cyberattacks are rising decade per decade, and this decade is no different. It is no surprise that web attacks rose by 56% in the last year alone, reports Norton's 2019 Internet Security Threat Report. It provides an insightful example: " Cybercriminals load malicious code onto retailers' websites to steal shoppers' credit card details, with 4,800+ unique websites compromised on average every month.
All Things Distributed
APRIL 27, 2020
The global healthcare pandemic has been like nothing many of us in Europe have ever known. During this time, many organizations have been contemplating their role in the COVID-19 crisis, and how they can best serve their communities. I can tell you it has been no different for us at Amazon Web Services (AWS). We are focused on where we can make the biggest difference, to help the global communities in which we all live and work.
Dynatrace
APRIL 28, 2020
Dynatrace news. Gartner just released its latest Magic Quadrant for Application Performance Monitoring (APM) , and a separate Critical Capabilities for APM report. We are thrilled to share Dynatrace has been named a Leader for Completeness of Vision and Ability to Execute for the 10th consecutive time. F or the third time in a row, we are positioned furthest in the quadrant for Completeness of Vision.
The Netflix TechBlog
APRIL 2, 2020
By Haruka Miyagawa & Kylee Peña Continue reading on Netflix TechBlog ».
High Scalability
APRIL 9, 2020
Google added another book into their excellent SRE series: Building Secure and Reliable Systems. It's free to download, so don't be shy. It's not short: 557 pages and 21 chapters! So what's it about? In short it's about "reliability through the lens of security.". In long, Ana Oprea, one of the authors, gave a good overview. anaoprea : There are multiple questions about what this book is about, who it's for and what might be relevant for me.
Tim Kadlec
APRIL 21, 2020
There is no faster (pun intended) way to slow down a site than to use a bunch of JavaScript. The thing about JavaScript is you end up paying a performance tax no less than four times: The cost of downloading the file on the network. The cost of parsing and compiling the uncompressed file once downloaded. The cost of executing the JavaScript. The memory cost.
DZone
APRIL 9, 2020
I often found that there are issues observed post-implementation due to not following the best practices recommended by Adobe. What Causes Performance Issues. Thread contention — long-running requests such as slow searches, write-heavy background jobs, moving of whole branches of site content, etc. High CPU utilization. Expensive requests such as expensive searches or inefficient application code, components, etc.
All Things Distributed
APRIL 14, 2020
On March 16, 2020, at 9:26 PM, I received an urgent email from my friend DJ Patil, former White House Chief Data Scientist, Head of Technology for Devoted Health, a Senior Fellow at the Belfer Center at the Harvard Kennedy School, and Advisor to Venrock Partners. You don’t get that many titles after your name unless you’re pretty good at something. For DJ, that “something” is math and computer science.
Dynatrace
APRIL 9, 2020
Dynatrace news. I think it’s an obvious statement to make, but the COVID-19 virus has taken everyone by surprise, in terms of how quickly it has disrupted our lives , and how disruptive it has been to so many people. Our thoughts are with everyone around the world who is currently suffering or ha s lost loved ones as a result of the virus. .
Addy Osmani
APRIL 7, 2020
This guide looks at measuring React component render performance with the React Profiler API, measuring interactions with React's new experimental scheduler and measuring custom metrics using the User Timing API.
High Scalability
APRIL 14, 2020
We recently migrated hundreds of ZooKeeper instances from individual server instances to Kubernetes without downtime. Our approach used powerful Kubernetes features like endpoints to ease the process, so we’re sharing the high level outline of the approach for anyone who wants to follow in our footsteps. See the end for important networking prerequisites.
SQL Performance
APRIL 8, 2020
This article is the first in a series about the fundamentals of table expressions in T-SQL. I will mainly focus on four types of named table expressions, which are known in T-SQL as derived tables, common table expressions (CTEs), views, and inline table-valued functions (inline TVFs). I was inspired to write this series by my good friend, Grant Fritchey , whom I have known for many years.
DZone
APRIL 3, 2020
Making sense of the average, standard deviation and percentiles in performance testing reports. There are certain performance testing metrics that are essential to understand properly in order to draw the right conclusions from your tests. These metrics require some basic understanding of math and statistics, but nothing too complicated. The issue is that if you don’t understand well what each one means or what they represent, you’ll come to some very wrong conclusions.
All Things Distributed
APRIL 22, 2020
As COVID-19 has disrupted life as we know it, I have been inspired by the stories of organizations around the world using AWS in very important ways to help combat the virus and its impact. Whether it is supporting the medical relief effort, advancing scientific research, spinning up remote learning programs, or standing-up remote working platforms, we have seen how providing access to scalable, dependable, and highly secure computing power is vital to keep organizations moving forward.
Dynatrace
APRIL 22, 2020
Dynatrace news. One of the impacts of the COVID-19 pandemic is a move towards digital services at an unprecedented scale. Some businesses are attempting to replace lost revenue streams through a shift to online activity. Other organizations are scrambling to support significant growth in online users. All of this puts a lot of pressure on IT systems and applications.
Smashing Magazine
APRIL 13, 2020
Inspired Design Decisions With Herb Lubalin: Typography Can Be As Exciting As Illustration And Photography. Inspired Design Decisions With Herb Lubalin: Typography Can Be As Exciting As Illustration And Photography. Andrew Clarke. 2020-04-13T10:00:00+00:00. 2020-04-13T12:35:21+00:00. While good use of type helps people to read, great typography can do so much more.
High Scalability
APRIL 14, 2020
Who's Hiring? InterviewCamp.io has hours of system design content. They also do live system design discussions every week. They break down interview prep into fundamental building blocks. Try out their platform. Scrapinghub is hiring a Senior Software Engineer (Big Data/AI). You will be designing and implementing distributed systems : large-scale web crawling platform, integrating Deep Learning based web data extraction components, working on queue algorithms, large datasets, creating a developm
SQL Performance
APRIL 13, 2020
In my last post , I started to outline the process I go through when tuning queries – specifically when I discover that I need to add a new index, or modify an existing one. Up to this point we've identified the problematic query, the index I need, what indexes currently exist on the table, and whether or not those indexes are being used. Once we have that data, we can move on to the next steps in the process.
DZone
APRIL 6, 2020
You have consistently written unit tests and you have a line coverage of, let us say, 80% and all of your tests pass. Pretty good, isn’t it? But then you change your code and still all of your tests pass although you have changed code which is covered by your unit tests. In this post, we will take a look at mutation testing which will test the quality of your unit tests.
Tasktop
APRIL 2, 2020
The pandemic affects everyone. Understanding previous technological revolutions will focus your digital strategy and help you thrive through the most turbulent economic event of our lifetime. A period of frenzied growth is turning into a mass extinction event for those companies that do not learn how to connect business operations to software delivery.
Dynatrace
APRIL 10, 2020
Dynatrace news. Government institutions, healthcare, and financial organizations are among the most information-intensive industries today. Especially for these industries, the control and security of their users’ access to critical applications (including Dynatrace) and the information that’s accessible with those applications is of the highest priority.
TechBeacon Testing
APRIL 8, 2020
If your test case is causing more harm than good, is it truly useful? In the days of legacy software delivery, with long lead times and great difficulty changing the product once shipped, nearly all test cases (automated or not) were good test cases.
High Scalability
APRIL 28, 2020
Who's Hiring? InterviewCamp.io has hours of system design content. They also do live system design discussions every week. They break down interview prep into fundamental building blocks. Try out their platform. Scrapinghub is hiring a Senior Software Engineer (Big Data/AI). You will be designing and implementing distributed systems : large-scale web crawling platform, integrating Deep Learning based web data extraction components, working on queue algorithms, large datasets, creating a developm
Smashing Magazine
APRIL 1, 2020
Building A Web App With Headless CMS And React. Building A Web App With Headless CMS And React. Blessing Krofegha. 2020-04-01T11:30:00+00:00. 2020-04-01T14:46:06+00:00. In this tutorial, you’ll learn what Headless CMS is, and the pros and cons of Headless CMS. In the end, youll have built a shopping cart using GraphCMS (a (backend-only content management system).
DZone
APRIL 22, 2020
Why Chaos Mesh? In the world of distributed computing, faults can happen to your clusters any time, anywhere. Traditionally we use unit tests and integration tests that guarantee a system is production-ready. However, these tests can’t cover everything as clusters scale, complexities mount, and data volumes increase by petabyte levels. To better identify system vulnerabilities and improve resilience, Netflix invented Chaos Monkey , which injects various types of faults into the infrastructure an
Kovair
APRIL 16, 2020
When testers and developers cooperate, do consultation and coordinate on a specific project, the result is beyond expectations. With this kind of interaction, developers can.
Dynatrace
APRIL 16, 2020
Dynatrace news. Coronavirus continues to disrupt our personal and professional lives in ways many of us could never have imagined just a few short weeks ago. Amidst the uncertainty, we’re all working diligently to maintain continuity for our businesses, keep employees productive, and maintain customer satisfaction and experience through digital services.
All Things Distributed
APRIL 27, 2020
La maggior parte di noi, in Europa, non aveva mai conosciuto prima una pandemia globale come quella in corso. Durante questo periodo, molte organizzazioni stanno riflettendo sul proprio ruolo nella crisi COVID-19 e su quale può essere il modo migliore per supportare la propria comunità. Posso dirvi che per noi di Amazon Web Services (AWS) non è stato diverso.
Simform
APRIL 21, 2020
Angular is, by default, a powerful and high performing front-end framework. Yet, unexpected challenges are bound to happen when you’re building mission-critical apps, apps that are content-heavy and complex on the architectural side. The post Angular Performance Tuning: 15 Ways to Build Sophisticated Web Apps appeared first on Insights on Latest Technologies - Simform Blog.
Testlodge
APRIL 8, 2020
Software testing teams use numerous types of manual testing. Each method focuses on a specific question and serves a unique purpose, so using a single form of manual testing on a project cannot be thorough enough. Choosing the right combination of manual testing types to use on each job helps testers to verify every part of the product under test, which is the key to launching high-quality products.
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