Sat.Apr 25, 2020 - Fri.May 01, 2020

Reducing Your Database Hosting Costs: DigitalOcean vs. AWS vs. Azure


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.

Azure 208

Dynatrace named a Leader in 2020 Gartner?Magic Quadrant for APM – positioned furthest for Completeness of Vision; scored highest in 5 of 6 Critical Capabilities use cases


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.

DevOps 169

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The DynamoDB Book: An Interview With Alex DeBrie On His New Book

High Scalability

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. Futures were changed.

AWS 165

Troubleshooting CPU Spike in a Major Trading Application


In this article, we are going to discuss how we troubleshoot a CPU spike problem that surfaced in a major trading application in North America. All of a sudden, this application’s CPU started to spike up to 100%. This team didn’t make any new code deployment, any environmental changes, they didn’t flip any flag settings – but all of a sudden the CPU started to spike up. We even validated whether there was an increase in the traffic volume, which was attributed to this traffic volume spike.

Reaffirming our commitment to Italy: Introducing the AWS Europe (Milan) Region

All Things Distributed

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.

Explore and analyze Amazon CloudWatch Synthetics data in Dynatrace


Dynatrace news. Dynatrace is an AWS Partner Network (APN) Advanced Technology Partner that provides software intelligence for simplifying enterprise cloud complexity and accelerating digital transformation. This blog post was co-authored with Shashiraj Jeripotula, Sr. Partner Solutions Architect at AWS and will also be published via the AWS Partner Network (APN) Blog.

Post:, Scrapinghub, Fauna, Sisu, Educative, PA File Sight, Etleap, Triplebyte, Stream

High Scalability

Who's Hiring? 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).

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Web Performance Recipes With Puppeteer

Addy Osmani

This guide has recipes for automating Web Performance measurement with Puppeteer

Get out-of-the-box visibility into your ARM platform (Early Adopter)


Dynatrace news. The Linux ARM platform —the Linux kernel ported to ARM processor–based machines—is becoming a tempting, cost-effective solution for building microservice-oriented data centers. We’ve started observing a shift towards the ARM platform among our customers already. This shift has been inspired in part by big market SaaS and IaaS players like Amazon ( see their original announcement here ) and Microsoft ( read about their announcement here ).

Software Testing Strategies to Boost Business Growth


This article explores software testing strategies that can improve business performance. In this article, you will get tips on how to establish long-term cooperation, create. Test Management Integrated Test Management Software Testing

Why Usability Testing Is So Important


Usability testing is software black-box testing that helps you check if the product is easy to learn, easy to understand, and intuitive. Testers examine the ease with which the user interfaces work. We test whether the application or the product is user-friendly or not. Usability testing is a method of testing and observing the behavior of the users to find out what works and what doesn't work. Users perform specific tasks and the process observers observe body language and emotions.

Why DevOps is Important for Modern Businesses


We are certainly in a faster-paced world. As we move forward, organizations need to get out of their silos and follow a more collaborative and efficient process to achieve excellence. Organizations that adopt DevOps are able to evolve and improve software products much faster when compared to those that use traditional software development processes. DevOps is a bridge between development and operations in an organization and aims to improve productivity as a whole.

User Timing Level 3: Set a value!

Speed Curve

The Chrome team has snuck a fundamental change to how user timing marks work into Chrome 78. For many years now, our own Steve Souders has championed user timing , and he has always believed you should be able to set a value for a user timing mark or measure. With User Timing Level 3, now you can! Level 3 lets you explicit set a startTime whereas previously you could only pass in the name of a mark. performance.mark("name", {startTime: 1000}).

Overcoming Toolchain Data Fragmentation to Measure End-to-End Flow


If you want to continuously increase the business value of your software portfolio, you need to focus on measuring the end-to-end flow of work across your software delivery value streams. As I highlighted last week , there are three key roadbl ocks to clear in order to identify where work is waiting and where your bottlenecks are: D ata fragmentation across multiple tools. Different work states across multiple workflows. Multiple frameworks and measurements.

Monitor Your Servers With Cockpit


Following on my previous article. Run your own Video Conference Service with Jitsi , I started looking for a reliable solution to monitor my instance that runs Jitsi. I needed basic information on RAM, CPU, Disk, Networking, and I/O to assess the performance bottleneck for the serve. I was familiar with the tools I used in the past, like Cacti , Nagios , and Zabbix.

Apica as an Alternative to Micro Focus SiteScope


Change is never easy, but a necessity as legacy software can’t keep up with the current needs or demand. Case Read More. The post Apica as an Alternative to Micro Focus SiteScope appeared first on Apica. API Application Testing eCommerce Finance Insurance Monitoring application monitoring legacy software Performance monitoring

Confermando il nostro impegno in Italia: Apertura della Regione AWS Europe (Milano)

All Things Distributed

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. Ci siamo concentrati su come e dove avremmo potuto fare la differenza più grande aiutando le comunità globali in cui viviamo e lavoriamo.

AWS 68

"0 to 60" : Switching to indirect checkpoints

SQL Performance

In a recent tip , I described a scenario where a SQL Server 2016 instance seemed to be struggling with checkpoint times. The error log was populated with an alarming number of FlushCache entries like this one: FlushCache: cleaned up 394031 bufs with 282252 writes in 65544 ms (avoided 21 new dirty bufs) for db 19:0 average writes per second: 4306.30 writes/sec average throughput: 46.96 MB/sec, I/O saturation: 53644, context switches 101117 last target outstanding: 639360, avgWriteLatency 1.

How Server Location Affects your Users’ Experience


So you finally launched your service worldwide, great! The next thing you’ll see is thousands and thousands of people flooding into your amazing website from all corners of the world expecting to have the same experience regardless of their location. Here is where things get tricky. performance user experience location data website performance monitoring latency monitor

Performance reality check: 4 ways to keep up with unexpected surges

TechBeacon Testing

From online retail to finance, and from streaming entertainment to healthcare providers and agencies, all manner of businesses and government entities have seen their web traffic and app activity explode. COVID-19 has changed everything for many organizations, and it did so overnight, with no time to prepare. App Dev & Testing, Testing, Pandemic, Performance Engineering, Performance Testing

PPC Optimization: Early Warning 2

Website Optimization

In a previous article, we wrote about early warning signals that can help you optimize PPC ads faster using Phone Calls and PTR (phone through rate) data. In this follow-up article we explore additional metrics to help optimize PPC ads faster, including Impressions Top & Absolute Top, and Average Session Duration. Using these metrics can give you an early indication of the performance of text ads in search campaigns. Average Ad Position vs. Impressions Top & Absolute Top.

Updated Azure SQL Database Tier Options

SQL Performance

Azure SQL Database is Microsoft's database-as-a-service offering that provides a tremendous amount of flexibility. It is built as part of the platform-as-a-service environment which provides customers with additional monitoring and security for the product. Microsoft is continually working on improving their products and Azure SQL Database is no different.

Azure 41

Varnish and BBR: Lower Latency OTT Video Delivery


When delivering video over-the-top (OTT), the internet is the principal highway for distributing this content. However, OTT streaming delivery requires something faster than what the internet offers in terms of how chunks/fragments are supposed to flow. Currently, publicly available wifi hotspots are the preferred networks for video consumption, but poor network infrastructure also leads to unbearable video buffering and latency.

Conserve or Invest?

The Agile Manager

Both the financial and real economies have suffered quite a few shocks in the last 20 years: the dot-com bubble bursting (2000); September 11 (2001); the Great Recession (2008); and today in 2020 the COVID-19 crisis is wreaking economic havoc.

How the Swedish Transport Agency learned distributed systems in six months

Particular Software

For better or for worse, online education has become the most common (and in many cases, the only) way to learn these days. Schools and universities have had to adapt to a remote environment while companies such as Pluralsight have stepped up and offered online courses for free or at a discount. In-person training and conferences have been postponed, cancelled, or transitioned to the virtual world.

Remote-optimised Domain Modelling: The Present and Future

Strategic Tech

The techniques we use for visual, collaborative domain modelling are designed for in-person events, where everybody is in the same physical space. Teams working remotely have long been excluded from the real power of collaborative domain modelling. Suddenly, though, we are all working remotely, and we may be working remotely in some fashion for an extended period of time.