Expert insights. Personalized for you.
Automation testing has become one of the most adopted techniques in the software testing process, it helps to accelerate go-to-market launch while providing enough bandwidth for the testers to work on finding critical test cases. MORE
Who's Hiring? 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 development platform for other company departments, etc. this is going to be a challenging journey for any backend engineer! Please apply here. MORE
While testing the functionality for your website, especially web elements such as radio button, text boxes, drop-down, etc., you need to make sure that you can access these elements. MORE
Web Performance is important for user experience and business metrics. Estimating its impact is key to be able to prioritize it, yet it’s difficult to quantify its benefits until the work has been done. We need to break this chicken-and-egg loop. MORE
In this piece, Eric Meyer argues that performance is more important than ever right now — especially for websites that contain critical information for the public: If you are in charge of a web site that provides even slightly important information, or important services, it’s time to get static. MORE
Let’s go back in time to a year ago. We had just upgraded our app to PHP 7 and we were feeling pretty confident that we had the fastest-loading online accounting software app out there. MORE
The true power of cloud computing lies in the way it can be optimized for maximum performance and efficiency. MORE
Chrome’s DevTools suite contains some of the most powerful tools available to help you analyze and improve the speed of your website (or web app). They can also be the most overwhelming. MORE
I recently wrote about how important it is to make the right thing easy. The opposite is also true: it’s important to make the wrong things difficult. I did allude to it in that post a little bit, but I thought it was worth calling out explicitly. MORE
Who's Hiring? Sisu Data is looking for machine learning engineers who are eager to deliver their features end-to-end, from Jupyter notebook to production, and provide actionable insights to businesses based on their first-party, streaming, and structured relational data. Apply here. T riplebyte lets exceptional software engineers skip screening steps at hundreds of top tech companies like Apple, Dropbox, Mixpanel, and Instacart. Make your job search O (1), not O ( n ). Apply here. MORE
A performance tuning engagement can end up taking many turns as you work through it – it all depends on what is showing up as the problem and what the data tells you. MORE
It's easy to write "unit test" tests that use JUnit and some mocking library. They may produce code coverage that keeps some stakeholders happy, even though the tests aren't even unit tests and provide questionable value. MORE
In this article, we will talk about sp_WhoIsActive stored procedure and how we can use it to monitor currently running activities in SQL Server. MORE
Dynatrace news. The SSL certificate for Mission Control will be renewed on April 1, 2020. The updated certificate will be issued by Amazon Trust Services in the context of our strong partnership with AWS, thereby ensuring the highest possible reliability for our customers around the globe. MORE
When Go first appeared in November 2009, we didn't hear much about it, and our first interaction happened in 2012 when Go version 1 was officially released by Google. MORE
Serverless in the wild: characterizing and optimising the serverless workload at a large cloud provider , Shahrad et al., arXiv 2020. This is a fresh-from-the-arXivs paper that Jonathan Mace (@mpi_jcmace) drew my attention to on Twitter last week, thank you Jonathan! MORE
Implementing Infinite Scroll And Image Lazy Loading In React. Implementing Infinite Scroll And Image Lazy Loading In React. Chidi Orji. 2020-03-16T12:00:00+00:00. 2020-03-16T21:15:46+00:00. If you have been looking for an alternative to pagination, infinite scroll is a good consideration. MORE
In our previous posts in this series, we discussed the case for connection pooling and introduced PgBouncer. In this post, we will discuss its most popular alternative – Pgpool-II. Pgpool-II is the swiss army knife of PostgreSQL middleware. MORE
We're mid-cycle between releases, where we're not yet hearing about any of the features planned for SQL Server vNext. This is probably the best time to press Microsoft for improvements, as long as we can back our requests with legitimate business cases. MORE
Dynatrace news. At Dynatrace, we’re constantly improving the UX and UI of our components and patterns. We recently identified two table-related functionalities that have repeatedly raised questions and increased the need for custom implementations on the Dynatrace platform. MORE
Dynatrace news. A decade ago, while working for a large hosting provider, I led a team that was thrown into turmoil over the purchasing of server and storage hardware in preparation for a multi-million dollar super-bowl ad campaign. MORE
Rex: preventing bugs and misconfiguration in large services using correlated change analysis , Mehta et al., NSDI’20. Check before you change: preventing correlated failures in service updates , Zhai et al., NSDI’20. Today’s post is a double header. MORE
Dynatrace news. In today’s dynamic environments, you can’t afford to manually bootstrap new monitoring environments. Automatic monitoring orchestration—the ability to automatically create, set up, and deprovision monitoring environments—can make or break your business. MORE
Dynatrace news. If you have thousands of hosts to monitor, changing the configuration of some of the hosts can be challenging. With the Dynatrace OneAgent command-line interface (CLI), you can easily reconfigure your hosts or host groups anytime after installation. MORE
SVT-AV1: open-source AV1 encoder and decoder by Andrey Norkin , Joel Sole , Mariana Afonso , Kyle Swanson, Agata Opalach , Anush Moorthy , Anne Aaron SVT-AV1 is an open-source AV1 codec implementation hosted on GitHub [link] under a BSD + patent license. MORE
Dynatrace news. We’re happy to announce that with Dynatrace version 1.189, you can give your baselining routines more time to evaluate short-lived performance conditions. MORE
A twitter discussion on build times and source-file sizes got me interested in doing some analysis of Chromium build times. MORE
Dynatrace news. Dynatrace Real User Monitoring provides you with full visibility into your real users’ actions and behavior in your applications. Application detection rules enable you to define the specific transactions that comprise your RUM applications. MORE
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). MORE
Dynatrace news. React Native is a development framework for native iOS and Android apps. With its basis in modern web technologies, React Native enables you to leverage existing web development experience and significantly reduces development time for cross-platform mobile apps. MORE
Customers & Friends, With the impact of COVID-19 growing around the world, we are taking proactive steps to prepare our infrastructure to continue seamlessly as we navigate this critical time. In an abundance of caution to the rapidly growing climate of the pandemic, we are taking extreme measures to ensure the safety of our employees, customers and partners. MORE
Recently there has been a surge of interest in C++ unit testing. C++ unit testing has not been common in C++ development in the past. Although C++ is a kind of programming language that fits well with unit testing, several complexities require extra care. MORE
p>Hey, it's HighScalability time! The top 10,000 most spoken words in English represented by a point in hundreds of dimensions where the distance and direction between points encodes the relationship between words. roadmaps ). Do you like this sort of Stuff? Without your support on Patreon this kind of Stuff can't happen. You are that important to the fate of the intelligent world. Know someone who wants to understand the cloud? I wrote Explain the Cloud Like I'm 10 just for them. MORE
Hey, it's HighScalability time! Awesome explanation of how to build a PID controller to fly a rocket! BPS.space via Orbital Index ). Do you like this sort of Stuff? Without your support on Patreon this kind of Stuff can't happen. You are that important to the fate of the intelligent world. MORE
What Density can we achieve Vs The theoretical max How does database performance behave as more DBs are consolidated? What impact does running the CVM have on available host resources? tl;dr The cluster was able to achieve ~90% of the theoretical maximum. CVM overhead was 5% for this workload. MORE
The world is witnessing challenging times, and I sincerely hope that you, your loved ones, and your colleagues are taking precautionary measures and are staying safe. It is also encouraging to see the world’s resilience as it comes together to fight this rising threat. MORE
Dynatrace
APRIL 1, 2020
Dynatrace news. React Native is a development framework for native iOS and Android apps. With its basis in modern web technologies, React Native enables you to leverage existing web development experience and significantly reduces development time for cross-platform mobile apps.
DZone
APRIL 1, 2020
While testing the functionality for your website, especially web elements such as radio button, text boxes, drop-down, etc., you need to make sure that you can access these elements.
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Scalegrid
MARCH 23, 2020
In our previous posts in this series, we discussed the case for connection pooling and introduced PgBouncer. In this post, we will discuss its most popular alternative – Pgpool-II. Pgpool-II is the swiss army knife of PostgreSQL middleware.
José M. Pérez
MARCH 13, 2020
Web Performance is important for user experience and business metrics. Estimating its impact is key to be able to prioritize it, yet it’s difficult to quantify its benefits until the work has been done. We need to break this chicken-and-egg loop.
Dynatrace
MARCH 23, 2020
Dynatrace news. A decade ago, while working for a large hosting provider, I led a team that was thrown into turmoil over the purchasing of server and storage hardware in preparation for a multi-million dollar super-bowl ad campaign.
High Scalability
MARCH 27, 2020
Hey, it's HighScalability time! Awesome explanation of how to build a PID controller to fly a rocket! BPS.space via Orbital Index ). Do you like this sort of Stuff? Without your support on Patreon this kind of Stuff can't happen. You are that important to the fate of the intelligent world.
Scalegrid
MARCH 23, 2020
Customers & Friends, With the impact of COVID-19 growing around the world, we are taking proactive steps to prepare our infrastructure to continue seamlessly as we navigate this critical time. In an abundance of caution to the rapidly growing climate of the pandemic, we are taking extreme measures to ensure the safety of our employees, customers and partners.
Technology Performance Pulse brings together the best content for technology performance professionals from the widest variety of industry thought leaders.
The Morning Paper
MARCH 12, 2020
Rex: preventing bugs and misconfiguration in large services using correlated change analysis , Mehta et al., NSDI’20. Check before you change: preventing correlated failures in service updates , Zhai et al., NSDI’20. Today’s post is a double header.
DZone
MARCH 26, 2020
It's easy to write "unit test" tests that use JUnit and some mocking library. They may produce code coverage that keeps some stakeholders happy, even though the tests aren't even unit tests and provide questionable value.
High Scalability
MARCH 13, 2020
p>Hey, it's HighScalability time! The top 10,000 most spoken words in English represented by a point in hundreds of dimensions where the distance and direction between points encodes the relationship between words. roadmaps ). Do you like this sort of Stuff? Without your support on Patreon this kind of Stuff can't happen. You are that important to the fate of the intelligent world. Know someone who wants to understand the cloud? I wrote Explain the Cloud Like I'm 10 just for them.
Tim Kadlec
MARCH 18, 2020
I recently wrote about how important it is to make the right thing easy. The opposite is also true: it’s important to make the wrong things difficult. I did allude to it in that post a little bit, but I thought it was worth calling out explicitly.
Dynatrace
MARCH 26, 2020
Dynatrace news. The SSL certificate for Mission Control will be renewed on April 1, 2020. The updated certificate will be issued by Amazon Trust Services in the context of our strong partnership with AWS, thereby ensuring the highest possible reliability for our customers around the globe.
CSS - Tricks
MARCH 26, 2020
In this piece, Eric Meyer argues that performance is more important than ever right now — especially for websites that contain critical information for the public: If you are in charge of a web site that provides even slightly important information, or important services, it’s time to get static.
DZone
MARCH 31, 2020
The true power of cloud computing lies in the way it can be optimized for maximum performance and efficiency.
High Scalability
MARCH 24, 2020
Who's Hiring? 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 development platform for other company departments, etc. this is going to be a challenging journey for any backend engineer! Please apply here.
SQL Performance
MARCH 20, 2020
We're mid-cycle between releases, where we're not yet hearing about any of the features planned for SQL Server vNext. This is probably the best time to press Microsoft for improvements, as long as we can back our requests with legitimate business cases.
Dynatrace
MARCH 31, 2020
Dynatrace news. Dynatrace Real User Monitoring provides you with full visibility into your real users’ actions and behavior in your applications. Application detection rules enable you to define the specific transactions that comprise your RUM applications.
SQL Shack
MARCH 16, 2020
In this article, we will talk about sp_WhoIsActive stored procedure and how we can use it to monitor currently running activities in SQL Server.
DZone
MARCH 19, 2020
Recently there has been a surge of interest in C++ unit testing. C++ unit testing has not been common in C++ development in the past. Although C++ is a kind of programming language that fits well with unit testing, several complexities require extra care.
High Scalability
MARCH 30, 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).
n0derunner
MARCH 27, 2020
What Density can we achieve Vs The theoretical max How does database performance behave as more DBs are consolidated? What impact does running the CVM have on available host resources? tl;dr The cluster was able to achieve ~90% of the theoretical maximum. CVM overhead was 5% for this workload.
Dynatrace
MARCH 19, 2020
Dynatrace news. In today’s dynamic environments, you can’t afford to manually bootstrap new monitoring environments. Automatic monitoring orchestration—the ability to automatically create, set up, and deprovision monitoring environments—can make or break your business.
The Morning Paper
MARCH 19, 2020
Serverless in the wild: characterizing and optimising the serverless workload at a large cloud provider , Shahrad et al., arXiv 2020. This is a fresh-from-the-arXivs paper that Jonathan Mace (@mpi_jcmace) drew my attention to on Twitter last week, thank you Jonathan!
DZone
MARCH 17, 2020
Automation testing has become one of the most adopted techniques in the software testing process, it helps to accelerate go-to-market launch while providing enough bandwidth for the testers to work on finding critical test cases.
High Scalability
MARCH 17, 2020
Who's Hiring? Sisu Data is looking for machine learning engineers who are eager to deliver their features end-to-end, from Jupyter notebook to production, and provide actionable insights to businesses based on their first-party, streaming, and structured relational data. Apply here. T riplebyte lets exceptional software engineers skip screening steps at hundreds of top tech companies like Apple, Dropbox, Mixpanel, and Instacart. Make your job search O (1), not O ( n ). Apply here.
Dynatrace
MARCH 26, 2020
Dynatrace news. If you have thousands of hosts to monitor, changing the configuration of some of the hosts can be challenging. With the Dynatrace OneAgent command-line interface (CLI), you can easily reconfigure your hosts or host groups anytime after installation.
MachMetrics
MARCH 21, 2020
Chrome’s DevTools suite contains some of the most powerful tools available to help you analyze and improve the speed of your website (or web app). They can also be the most overwhelming.
DZone
MARCH 12, 2020
When Go first appeared in November 2009, we didn't hear much about it, and our first interaction happened in 2012 when Go version 1 was officially released by Google.
Smashing Magazine
MARCH 16, 2020
Implementing Infinite Scroll And Image Lazy Loading In React. Implementing Infinite Scroll And Image Lazy Loading In React. Chidi Orji. 2020-03-16T12:00:00+00:00. 2020-03-16T21:15:46+00:00. If you have been looking for an alternative to pagination, infinite scroll is a good consideration.
Randon ASCII
MARCH 30, 2020
A twitter discussion on build times and source-file sizes got me interested in doing some analysis of Chromium build times.
Dynatrace
MARCH 26, 2020
Dynatrace news. We’re happy to announce that with Dynatrace version 1.189, you can give your baselining routines more time to evaluate short-lived performance conditions.
DZone
MARCH 16, 2020
Let’s go back in time to a year ago. We had just upgraded our app to PHP 7 and we were feeling pretty confident that we had the fastest-loading online accounting software app out there.
SQL Performance
MARCH 26, 2020
A performance tuning engagement can end up taking many turns as you work through it – it all depends on what is showing up as the problem and what the data tells you.
Testsigma
MARCH 31, 2020
The world is witnessing challenging times, and I sincerely hope that you, your loved ones, and your colleagues are taking precautionary measures and are staying safe. It is also encouraging to see the world’s resilience as it comes together to fight this rising threat.
Dynatrace
MARCH 19, 2020
Dynatrace news. At Dynatrace, we’re constantly improving the UX and UI of our components and patterns. We recently identified two table-related functionalities that have repeatedly raised questions and increased the need for custom implementations on the Dynatrace platform.
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