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Adrian Cockcroft on Analyzing Response Time Distributions for Microservices

by Daniel Bryant on  Feb 07, 2016

At the microXchg conference, held in Berlin, Adrian Cockcroft presented “Analyzing Response Time Distributions for Microservices”. Cockcroft demonstrated how the combination of his Spigo microservice architecture simulation tool and the online Guesstimate Monte Carlo method tool can be used to visualise and experimentally simulate request response times within a complicated microservice system.

"Wait, What!? Our Microservices Have Actual Human Users?" The Importance of UI Architecture

by Daniel Bryant on  Feb 07, 2016

At the microXchg conference, Stefan Tilkov presented “Wait, what? Our microservices have actual human users?”. Tilkov proposed that current microservice discussions tend to be centered around backend topics. The presentation argued that it is of paramount importance to increase focus on how to structure what is arguably the most important part of a microservice application - the UI.

Introducing AWS CloudWatch Events

by Kent Weare on  Feb 06, 2016 2

Amazon recently announced changes to the way customers can monitor their AWS resources. The service, known as CloudWatch Events, allows customers to consume a near real-time stream of events as changes to their AWS environment take place. These event changes can subsequently trigger notifications, or other actions, through the use of rules.

Microxchg Conference Day 1 Recap

by Alex Giamas on  Feb 05, 2016

Today was the first day of the Microxchg 2016 conference in Berlin, Germany. More than 250 people from all around Europe gathered to learn and discuss about microservices, where and how to be used and their future. in this article, we examing what were the key takeaways from the first day of the conference.

Results of the InfoQ Readership Survey 2015

by Abel Avram on  Feb 05, 2016

We present here the results for three questions included in the Readership Survey that InfoQ ran in 2015.

Q&A with Aleksey Shipilev on Compact Strings Optimization in OpenJDK 9

by Monica Beckwith on  Feb 04, 2016

OpenJDK 9 introduces the compact strings optimization. InfoQ interviews Oracle Java performance engineer Aleksey Shipilev to understand more about this optimization and its performance impact.

Benchmarking Netflix Dynomite with Redis on AWS

by Alex Giamas on  Feb 03, 2016

Last year, Netflix Cloud Database Engineering (CDE) team introduced Dynomite. Dynomite is a proxy layer, aiming to turn any non-distributed database into a sharded, multi-region replication aware distributed database system. Now Netflix released a benchmark using Dynomite with Redis in AWS infrastructure.

AutoScout24’s Journey to Microservices: Christian Deger on Transformation, Principles and Technology

by Daniel Bryant on  Feb 03, 2016

At the Dublin Microservices User Group, Christian Deger presented “Highway to Heaven”, the AutoScout24 journey from deploying code into a monolithic application using a traditional IT development process, to utilising a microservice architecture with cross-functional teams. This technical and organisation transformation enabled the business to react more rapidly to changing market conditions.

How Airbnb Uses Net Promoter Score to Predict Guest Rebooking

by Srini Penchikala on  Feb 02, 2016 1

Net Promoter Score (NPS) is a customer loyalty metric used to determine the likelihood that a customer will return to a company's website or use their service again. Airbnb uses NPS extensively in measuring the customer loyalty, as a more effective measurement to determine the likelihood that a customer will return to book again or recommend the company to their friends.

Feature Toggles Revisited

by Grischa Ekart on  Feb 02, 2016

Proper implementation of feature toggles based on a categorisation of their longevity and dynamism helps dealing with their operational complexity according to Pete Hodgson, consultant at ThoughtWorks. In his post he expands Martin Fowler's FeatureToggle pattern and proposes Release, Ops, Experiment and Permission Toggle implementation strategies.

Google Kick-Starts Git Ketch: A Fault-Tolerant Git Management System

by Abraham Marín Pérez on  Feb 02, 2016

Although development has only started, Google has announced their first commits of Git Ketch, a multi-master Git management system that replicates information across multiple Git servers for resilience and scalability. The changes are based on JGit, a Java-based Git server, although other Git servers may be part of the multi-master cluster.

BDD Tool SpecFlow V2 with Parallel Execution

by Jan Stenberg on  Jan 31, 2016 1

Version 2 of the Behaviour-Driven Development (BDD) tool SpecFlow supports parallel test execution and adds support for xUnit 2.0 and NUnit 3.0. As well as an upgrade of all components to .Net 4.5 it’s also upgraded to the new Gherkin3 parser, now used across nearly all Cucumber tools.

CQRS Example Using Axon Framework

by Jan Stenberg on  Jan 31, 2016

Command Query Responsibility Segregation (CQRS) separates the part that changes the state from the part that queries the state in an application. Axon is a Java framework implementing the building blocks of CQRS to help in when building CQRS applications, Dadepo Aderemi, writes in a series of blog post explaining CQRS by building a small demo application based on the Axon Framework.

Amazon Announces AWS Region in Canada

by Kent Weare on  Jan 30, 2016

Following the recent news about its South Korea region reaching general availability, Amazon has announced its plans to enter the Canadian market in 2016.

Clojure 1.8 Improves Performance and Development Experience

by Abraham Marín Pérez on  Jan 27, 2016

Earlier this month, Alex Miller, one of the main developers behind the Clojure Community, announced the latest version of Clojure. The flagship new features of Clojure 1.8 are Direct Linking, String Functions and Socket Servers, although it also includes a few minor enhancements and more than thirty bug fixes.

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