User experience can boost or kill your revenue. Unhappy users are likely to abandon a service they struggle with and go to your competitors. To effectively manage the experience of your users, you need to efficiently monitor and understand their transactions in your mobile, web and enterprise applications. More importantly, and often overlooked, the practice of User Experience Management (UEM)...
Java 8 is packed full of really exciting features at both the JVM and language level. Here are 5 features that we feel are an absolute must for you to know about
Human brain doesn’t reason about concurrent programs behavior well. Even simple examples of concurrent Java programs can be puzzling. Look how JCStress, a Java concurrency test framework, allows you to write concise tests to verify programs correctness under concurrent execution.
This is the second part of a two part series. In part 1, I covered how important clocks are and how bad clocks can be in virtualized systems (like Amazon EC2) today. In today’s installment, I’m going to cover some disadvantages of off-the-shelf NTP installations, and how to overcome them. I'll wrap up with the solution we use and how it works for us:...
Cassandra is a highly-distributable NoSQL database with tunable consistency. What makes it highly distributable makes it also, in part, vulnerable: the whole deployment must run on synchronized clocks. In the first part of this two part series, I’ll cover how important clocks are and how bad clocks can be in virtualized systems (like Amazon EC2) today. In the next installment I’ll go over some...
Version 3.2.1 of LMAX Disruptor now ready for download on Maven Central, complete with build and IDE updates.
In my last blog post, The DevOps Tools We Use & How We Use Them, I talked about how we use Chef with Vagrant for managing, maintaining and monitoring our servers. This is great for a development environment where you spin up servers locally in Virtualbox, however in doesn’t help much when trying to maintain your production environment. In this blog post I will focus on the differences between...
GridGain has announced the release of 6.0.1 of their in-memory data grid platform, with this release focusing on cleaning up issues and a relicensing of the community code under the Apache Source License, version 2.0.
The TLS implementation in Java 7 suffers from several problems that make it impossible to run properly secure TLS servers. All of these problems have been addressed in Java 8, which offers a very good TLS stack.
Last week I wrote a post on how to log from Docker containers. In short I was playing around with Docker and wanted to try to figure out how to get some log data from my containers. Interestingly I got some great feedback from the Docker community on this post. Mostly asking why I didn’t run rsyslog outside the container on the host. This led to a bigger investigation and it looks like there is...
When you are in the log management business, who manages your logs? Well, you do, of course. The proverbs of old, though, tell you this can sometimes be a very bad idea. So here at Logentries we’ve decided to learn these lessons and invest time using our own product for what it was designed for: to monitor our own production systems, to debug software issues, to troubleshoot operational issues...
Current virality of five year old article defending Java demonstrates that hate for the language is still in style - but why do users continue to care?
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- Will Java 8 Lambda expressions really change JavaEE development? (10 Sep 2014) One of the most anxiously anticipated Java 8 features was the addition of Lambda expressions. But...
- Advanced JSF Tutorial: The single page interface (SPI) with Facelets, Ajax and HTML5 (07 Sep 2014) Some say it's impossible, but if you really understand the technology, you will realize that...
- Top 5 DevOps best practices for achieving security, scalability and performance (07 Sep 2014) How do you get the most out of your applications? One way is to adopt a DevOps approach to...
- Is PaaS as dangerous as it seems? Cloudbees bust some cloud computing myths (07 Sep 2014) Is cloud computing as dangerous as it seems? From open source do-it-yourself types to organizations...
- From writing code to EMT: A CTO's journey (04 Sep 2014) Making the move from writing code to becoming an EMT was the best training for success as a CTO.
- CloudBees makes on-premise Enterprise Jenkins their top priority (12 Sep 2014) CloudBees has put their runtime PaaS offering behind them, choosing to focus on their on-premise...
- This is where to turn when friends ask you how to program in Java (09 Aug 2014) There are many introductory books about Java on the market, but for anyone who wants to learn to...
- Android: The Next Generation (13 Jul 2014) Google continues to invest in and improve their flagship mobile operating system, and the latest...
- From Tango to the NDK: Further exploration of the Google I/O exhibitors hall (03 Jul 2014) Be it previews of products like Tango which create 3D images of your surrounding, to demonstrations...
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