Did you know there are 4 different Garbage Collectors? In this article I'll explain the difference between them, how you can choose the right one for you - and what can happen if you make the wrong choice
Around 3 months ago, I have posted one article explaining our approach and consideration to build Cloud Application. From this article, I will gradually share our practical design to solve this challenge. As mentioned before, our final goal is to build a Saas big data analysis application, which will deployed in AWS servers. In order to fulfill this goal, we need to build distributed crawling,...
Data-driven performance problems are not new. But most of the time it’s related to too much data queried from the database. O/R mappers like Hibernate have been a very good source for problem pattern blog posts in the past. In this blog I share the technical reasons (both Hibernate but also XML Parser Performance) why a document processing app for the same document took about 42s in testing but...
Here’s a familiar scene: You’ve finished developing your application or a neat new feature and you’ve created the right system logs for new capabilities. You’re confident that if something breaks, you can easily spot the errors and overcome them efficiently. However, you’re still leaving the inevitable discovery of errors on production to quite literally the last minute.
New APIs, performance features and modular source code are the first features to be confirmed for Oracle’s next major Java release
As a tester you are often placed in many difficult situations. You act as the gatekeeper between your company and your consumers, which can create a lot of pressure. You are after all the person who must tell the team, “No, we can’t put the app into production because it can’t handle the load.” And who wants to hear the word “No?” As a gatekeeper, you are an easy scapegoat if something goes...
Would you like to send logs from your Go program code into your Logentries account?golang_logo_300x300.png Thanks to the help of Gal Ben-Haim’s, bsphere Golang library for log entries, Go coders can be sending their logs to Logentries in no time at all.
How to choose between Geolocation and Latency routing? We tested DNS configurations across multiple EC2 regions using AWS Route 53 to find out
Testing in production is an important core competency for any world-class test team to cultivate. In this post we will give you some practical tips to make testing in production an achievable reality – and to mitigate the obvious risks that it exposes.
After we had the chance to have fun and play around with Java 8, the time has come to quit avoiding the grain of salt.
Let me paint a picture for you. You pay meticulous detail to your test plan. You have automated test plans to cover common and fringe use cases. You build performance testing into your continuous integration process like you should. You triple check everything by testing the mobile or web application on multiple browsers and devices. But all of that could be for naught if you forget this one...
The concept represented by volatile keyword in Java is somewhat difficult to understand. In order to save you from painful errors caused by the misuse of volatile, I created an example shedding light into the issue.
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- Containerization may mark the decline of virtualization (15 May 2015) The popularity of containerization is leaving virtualization in the dust. ZeroTurnaround's Jevgeni...
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- New to OpenStack: Learn these 5 cloud computing terms (20 May 2015) Newcomers to OpenStack and the OpenStack conference will fit right in if they become familiar with...