O'Reilly Software

JANUARY 18, 2018

Explore the factors that make up a reactive microservice. One of the key principles in employing a Microservices-based Architecture is Divide and Conquer : the decomposition of the system into discrete and isolated subsystems communicating over well-defined protocols. Isolation is a prerequisite for resilience and elasticity and requires asynchronous communication boundaries between services to decouple them in: Continue reading What is a reactive microservice?

Architecture 74

Architecture Systems 74

Professor Beekums

JANUARY 14, 2018

I often say that one of my favorite quotes is: “There are developers with 30 years of experience and there are developers with 1 year of experience repeated 30 times.”. This was said by a professor of mine who had 30 years of experience. It’s an important thought because some developers may have a lot of experience on paper, but they aren’t actually very good developers.

Software 58

Software Software Development 58

The Polyglot Developer

JANUARY 19, 2018

I’m a big fan, and hoarder, of Raspberry Pi devices. If you’ve seen my previous Raspberry Pi tutorials , you’ll know I like using them for hardware and software projects. These microcomputers use very little energy and have decent processors and memory, making them great for a diverse set of projects. With blockchain and cryptocurrencies on the rise, Raspberry Pi devices become great for getting familiar with concepts such as wallets, mining, and synchronized nodes.

Blockchain 52

Blockchain Energy Hardware Software 52

Dotcom-Montior

JANUARY 18, 2018

Retailers Still Fail to Prepare Websites for Holiday Shoppers Monitoring of Retailer’s Websites during Black Friday holiday shopping. Black Friday is one of the most valuable times for retailers across the world because buyers shop until they drop. Marketing campaigns started already weeks ago and promised unbelievable discounts on all kind of goods.

Retail 40

Retail Website Monitoring Servers 40

Brendan Gregg

JANUARY 17, 2018

The Working Set Size (WSS) is how much memory an application needs to keep working. Your app may have populated 100 Gbytes of main memory, but only uses 50 Mbytes each second to do its job. That's the working set size. It is used for capacity planning and scalability analysis. You may never have seen WSS measured by any tool (I haven't either). OSes usually show you virtual memory and resident memory, shown as the "VIRT" and "RES" columns in top.

Cache 71

Cache Latency C++ Programming 71

Dotcom-Montior

JANUARY 18, 2018

I’ve spent some time for collecting meaningful metrics during Black Friday sales of our leading Retailers websites. The post Retailers Still Fail to Prepare Their Websites for Holiday Shoppers appeared first on Dotcom-Monitor Web Performance Blog.

Retail 40

Retail Website Metrics Monitoring 40

Dotcom-Montior

JANUARY 18, 2018

Why Companies Need Web Performance Monitoring Building a Successful Website Gaining success in the online world is not that simple. Most of us believe that content and popularity of websites are the only factors, which are responsible for the success of our sites. But beyond that, even more, important is speed and user experience. Sometimes due to technical reasons, a website may become slow.

Monitoring 40

Monitoring Performance Website Ecommerce 40

The Polyglot Developer

JANUARY 17, 2018

A few weeks back I had written an article titled, Send And Manage DigiByte DGB Coins With Node.js , which had explained how to interact with DigiByte coins via Node.js and the CLI. We saw how to keep track of a wallet, compare against the market value, and send DGB to other wallets. The catch here was that it was all CLI based and not particularly user friendly.

Development 40

Development 40

The Polyglot Developer

JANUARY 15, 2018

So you’ve been doing a lot of research around the blockchain and the various cryptocurrencies. Don’t worry, I’ve been doing a lot of the same research. There is so much in the news and on social media around this subject, it would be a good idea to educate yourself. When it comes to cryptocurrencies, there are a lot of people trying to mine it rather than buy it.

Social Media 40

Social Media Blockchain Education Media 40

Brendan Gregg

JANUARY 16, 2018

The Working Set Size (WSS) is how much memory an application needs to keep working. Your app may have populated 100 Gbytes of main memory, but only uses 50 Mbytes each second to do its job. That's the working set size. It is used for capacity planning and scalability analysis. You may never have seen WSS measured by any tool (I haven't either). OSes usually show you virtual memory and resident memory, shown as the "VIRT" and "RES" columns in top.

Cache 40

Cache Latency C++ Programming 40