DZone
AUGUST 16, 2019
When you build a great product or application, sooner or later, it will be drawing attention more and more users who will expect a flawless, perfect application as the demand grows in the time it handles more and more requests per minute. If we are not prepared for this, the application performance will start degrading, and you will lose your audience and business.
CSS - Tricks
AUGUST 16, 2019
This week I’ve been brooding about web performance and accessibility. It all began when Ethan Marcotte made a lot of great notes about the accessibility issues that are common with AMP : In the recordings above, I’m trying to navigate through the AMP Story. And as I do, VoiceOver describes a page that’s impossible to understand: the arrows to go back or forward are simply announced as “button”; most images are missing text equivalents, which is why the screen reader spells out each and every cha
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Uber Engineering
AUGUST 14, 2019
Maintaining Uber’s large-scale data warehouse comes with an operational cost in terms of ETL functions and storage. In our experience, optimizing for operational efficiency requires answering one key question: for which tables does the maintenance cost supersede utility? Once identified, … The post Less is More: Engineering Data Warehouse Efficiency with Minimalist Design appeared first on Uber Engineering Blog.
Dynatrace
AUGUST 14, 2019
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
CSS Wizardry
AUGUST 13, 2019
Disclaimers: I was not approached or hired by Hoefler&Co or Cloud.typography to look into any of the following issues. I disclosed all of the below to Cloud.typography and gave them ample opportunity to work together to solve the issues at the root of the problem. There was no appetite from them to do so, so I decided to make it all available for free anyway—a faster web benefits everyone.
DZone
AUGUST 15, 2019
With All of the Free and Enterprise Tools Available for Performance Testing, There’s No Excuse for Having a System Failure. Performance tests reveal how a system behaves and responds during various situations. A system may run very well with only 1,000 concurrent users, but how would it run with 100,000? In terms of performance, we wish to achieve three main goals: speed, scalability, and stability.
SQL Performance
AUGUST 14, 2019
This article is the fourth installment in a series about T-SQL bugs, pitfalls and best practices. Previously I covered determinism , subqueries and joins. The focus of this month's article is bugs, pitfalls and best practices related to window functions. Thanks Erland Sommarskog, Aaron Bertrand, Alejandro Mesa, Umachandar Jayachandran (UC), Fabiano Neves Amorim, Milos Radivojevic, Simon Sabin, Adam Machanic, Thomas Grohser, Chan Ming Man and Paul White for offering your ideas!
Technology Performance Pulse brings together the best content for technology performance professionals from the widest variety of industry thought leaders.
CSS Wizardry
AUGUST 15, 2019
I’m working with a client at the moment who, unfortunately, has a blocking third party stylesheet that’s needed to successfully render one of their site’s key pages. Until we can design a more long-term solution (and that’s assuming we can at all) that can asynchronously load the file, I wanted to work out a way to minimise its impact. This is a regular that is, necessarily, defined in the.
DZone
AUGUST 14, 2019
Organizations are in search of improving network agility, but what exactly does this mean? Network agility is represented by the volume of change in the network over a period of time and is defined as the capability for software and hardware component’s to automatically configure and control itself in a complex networking ecosystem. The rise of innovative efforts made by several vendors to expand and modernize network device interfaces is improving network agility and is seen with emerging techn
SQL Shack
AUGUST 16, 2019
A graph database is a type of NoSQL database that is based on graph theory. Graph databases are ideal for storing data that has complex many to many relationships. In this article, we will study the very basics of graph databases with the help of a simple example. Characteristics of a Graph Database A graph […].
Dynatrace
AUGUST 12, 2019
Dynatrace news. With OneAgent installed on an application server, Davis, the Dynatrace AI causation engine, continuously analyzes all database statements within the context of your applications. In this way, Dynatrace can tell you which statements need your attention. Now, with Oracle database insights, we’re going even deeper, giving you visibility into what’s going on in the database layer.
The Polyglot Developer
AUGUST 12, 2019
The thirtieth episode of The Polyglot Developer Podcast is now available on the popular podcast networks! This episode is titled, Building a Developer Community with Meetups , and it features Vijay Menon , organizer of the JavaScriptLA Meetup group in Los Angeles, California. Being a part of a developer community, outside of a day job, is important for all developers.
DZone
AUGUST 12, 2019
When working on PHP websites made from scratch and without a framework, speed can often be an issue. Caching is extremely useful in order to speed up PHP webpages. In this article, I’ll show you how to make a simple PHP caching system for your web pages.
QAMentor
AUGUST 13, 2019
At QA Mentor Inc., we believe our clients deserve nothing but the best. Therefore, we thoroughly test the products our clients receive to ensure our clients are getting top notch products. Software testing is only becoming more important in today’s ever-advancing tech-driven economy and is something we are extremely proud to be able to do … The post QA Mentor Inc.
Dynatrace
AUGUST 14, 2019
Dynatrace news. [link]. Lately, we’re seeing that automation is the main focus of IT, and microservice architectures are becoming increasingly common. This means that APIs are becoming more and more important to us and our customers. With the growing adoption of APIs, the complexity of use cases based on APIs is growing as well. This means that the monitoring of these APIs needs to reflect current developments and allow the monitoring of such use cases.
SQL Shack
AUGUST 15, 2019
This article explores the usage of TempDB and different ways to shrink the TempDB database in SQL Server Each instance of Microsoft SQL Server has a system database TempDB. It is a backbone for the SQL Server instance. Let’s review the TempDB database and its usage with ways to shrink the TempDB database in the […].
DZone
AUGUST 16, 2019
Service-Oriented Architecture Overview. A service-oriented architecture (SOA) is an architectural pattern in computer software design in which application components provide services to other components via a communications protocol, typically over a network. The principles of service-orientation are independent of any product, vendor or technology.
Professor Beekums
AUGUST 13, 2019
I’ve written previously about the dangers of high switching costs in software development. Being dependant on a third party is a huge risk. You are vulnerable to the whims of another company, including astronomical price increases. However, reliance on vendors is inevitable as they can significantly accelerate product development. Photo by Steve Johnson $500 a month for a third party SAAS sounds like a lot, but it is a lot cheaper than months of in house development.
Dynatrace
AUGUST 14, 2019
Dynatrace news. OneAgent. Java. Added support for Play framework version 2.7. Webserver. Introducing support for Tengine , an NGINX based web server. Supported versions are 1.4.3 – 2.2.3. General improvements. OneAgent Version 1.173 for Linux comes with support for RHEL distributions on the IBM Z platform. Read more about OneAgent for RHEL Z-Linux.
KeyCDN
AUGUST 15, 2019
Web performance is a broad subject, and you’ll find no shortage of performance testing tips and tutorials all over the web. Before you begin tuning your website or application, you must first figure out which metrics matter most to your users and establish some achievable benchmarks. What is Performance Testing? In the context of web development, performance testing entails using software tools to simulate how an application runs under specific circumstances.
DZone
AUGUST 14, 2019
Slack took quite a beating during and after the service outage that happened a few weeks ago. Here’s a small sample of the headlines (before they were updated) that come up on a simple news search of Slack: Slack is Experiencing Worldwide Outage, Degraded Performance.
SQL Performance
AUGUST 15, 2019
Updated August 15th, 2019 for 0.9.6. Last year, I got together with one of my dev teams here – they call themselves the SQL Injectors – to talk about the possibility of replicating SentryOne Plan Explorer functionality inside of Azure Data Studio. After some discussion, we brought the concept to the leadership team, and set a plan in motion.
Dynatrace
AUGUST 10, 2019
Dynatrace news. Having the ability to monitor the performance and availability of your organization’s internal applications—in addition to your organization’s customer-facing applications—from within your corporate network is an important benefit of synthetic monitoring. Having the ability to run synthetic browser monitors on-premise is of critical importance to many Dynatrace customers.
SQL Shack
AUGUST 13, 2019
This article gives a walk-through of SQL Server Statistics and different methods to perform SQL Server Update Statistics. Introduction SQL Server statistics are essential for the query optimizer to prepare an optimized and cost-effective execution plan. These statistics provide distribution of column values to the query optimizer, and it helps SQL Server to estimate the […].
DZone
AUGUST 16, 2019
ArrayList and LinkedList are frequently used classes in the Java collection framework. If you know only understand basic performance comparisons of ArrayList and LinkedList , but not the minor details of these two classes, then this article is for you. " ArrayList should be used where more search operations are required, and. LinkedList should be used where more insert and delete operation is needed.
Kovair
AUGUST 15, 2019
The only constant thing in this world is ‘change’ and the only industry that makes a quick shift in innovation and technology is IT software. The post Current Trends and Predictions for Software Development and Delivery appeared first on Kovair Blog.
CSS - Tricks
AUGUST 15, 2019
In this week's roundup of platform news, Chrome introduces a new attribute for loading, accessibility specifications for web developers, and the BBC moves visualizations to the Shadow DOM. Chrome ships the loading attribute. The HTML loading attribute for lazy-loading images and iframes is now supported in Chrome. You can add loading="lazy" to defer the loading of images and iframes that are below the viewport until the user scrolls near them.
SQL Shack
AUGUST 12, 2019
Performance monitoring is a must to do the task for a DBA. You should ensure that the database performance is optimal all the time without any impact on the databases. Performance issues act like an open stage, and you need to look at every aspect such as CPU, RAM, server performance, database performance, indexes, blocking, […].
DZone
AUGUST 12, 2019
One of the most performed actions of any webpage tester is taking a screenshot of the webpage. Whenever a tester finds and reports a bug, that bug would not be taken seriously without supporting screenshots or even videos of the issue. This is equally true no matter the type of testing you are doing and that includes selenium automation testing. In automation testing, especially where a typical test run may involve hundreds of commands and test cases, automated screenshots taken at critical asse
Percona Community
AUGUST 14, 2019
In my roles as a DBA at various companies, I generally found the tooling to be quite lacking. Everything from metrics collection, alerting, backup management; they were either missing, incomplete or implemented poorly. DBA-Tools was born from a desire to build backup tools that supported my needs in smaller/non-cloud environments. As BASH is easily the most common shell available out there on systems running MySQL® or MariaDB®, it was an easy choice.
Professor Beekums
AUGUST 13, 2019
I’ve written previously about the dangers of high switching costs in software development. Being dependant on a third party is a huge risk. You are vulnerable to the whims of another company, including astronomical price increases. However, reliance on vendors is inevitable as they can significantly accelerate product development. Photo by Steve Johnson $500 a month for a third party SAAS sounds like a lot, but it is a lot cheaper than months of in house development.
Tasktop
AUGUST 15, 2019
Please note: In this post, I will refer to all design practices, User Experience Design, Interface Design, Visual Design, and Design Research as design. Much has been written about Lean UX and the role of design in Agile development. Design’s primary role is reducing the risk that the team is building the wrong thing or building something that is hard to use.
DZone
AUGUST 13, 2019
Performance testing is a crucial part of the development process, but it is also one of the most overlooked steps in a development cycle. Not many developers are interested in doing rigorous testing on their codes to see how they perform under heavy load. Even worse, not all decision-makers and stakeholders realize the importance of performance testing.
Scalegrid
AUGUST 15, 2019
A good UI is an important part of the development experience. The MongoDB Shell works great for administrative actions, but when working with larger amounts of data, the UI becomes fairly important. In 2014, we discussed 4 of the top MongoDB GUIs: MongoVue, MongoHub, RockMongo, and Robo 3T (formerly Robomongo), and again in 2016: MongoDB Compass, Robo 3T, Studio 3T, and MongoBooster.
High Scalability
AUGUST 16, 2019
Wake up! It's HighScalability time: Asteroids in our solar system. Only a.001% chance a kilometer-size asteroid destroys humanity. ( B612 ). Do you like this sort of Stuff? I'd love your support on Patreon. I wrote Explain the Cloud Like I'm 10 for people who need to understand the cloud. And who doesn't these days? On Amazon it has 53 mostly 5 star reviews (124 on Goodreads ).
Tasktop
AUGUST 13, 2019
Testing Tasktop Integration Hub ’s user experience is a rather complex undertaking. As my colleague Rebecca explained in her blog last week , “ Tasktop suffers from an interesting, almost paradoxical problem: the users who benefit most from our product often have no idea that it exists”. To address this problem, we devised a Usability Testing Program — which, as a smaller company — presented us with some interesting challenges.
DZone
AUGUST 15, 2019
Should I be running my application with few instances (i.e. machines) with large memory size or a lot of instances with small memory size? Which strategy is optimal? This question might be confronted often. After building applications for 2 decades, after building JVM performance engineering/troubleshooting tools ( GCeasy , FastThread , HeapHero ), I still don’t know the right answer to this question.
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