Home » Author Archives: Byron Kiourtzoglou (page 3)

Author Archives: Byron Kiourtzoglou

Byron Kiourtzoglou
Byron is a master software engineer working in the IT and Telecom domains. He is an applications developer in a wide variety of applications/services. He is currently acting as the team leader and technical architect for a proprietary service creation and integration platform for both the IT and Telecom industries in addition to a in-house big data real-time analytics solution. He is always fascinated by SOA, middleware services and mobile development. Byron is co-founder and Executive Editor at Java Code Geeks.

Using FindBugs to produce substantially less buggy code

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Some time ago a user of Java-monitor, the forum of our JCG partner, Kees Jan, spotted that his system was forcing a large number of full Garbage Collections despite the fact that the overall memory utilization was low. A rough estimation for the cause of the problem suggested a potential call to System.gc() performed by one of the libraries in ...

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Hibernate mapped collections performance problems

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First things first, this article was inspired after Burt Beckwith‘s presentation about Advanced GORM – Performance, Customization and Monitoring at SpringOne 2GX on Jan 27, 2011. In short, Burt Beckwith discusses potential performance problems using mapped collections and Hibernate 2nd-level cache in GORM, along with strategies for avoiding such performance penalties. Nevertheless the performance issues regarding mapped collections that Burt ...

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Cajo, the easiest way to accomplish distributed computing in Java

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Derived from the introductory section of Jonas Boner’s article “Distributed Computing Made Easy” posted on TheServerSide.com on May 1st 2006 : “Distributed computing is becoming increasingly important in the world of enterprise application development. Today, developers continuously need to address questions like: How do you enhance scalability by scaling the application beyond a single node? How can you guarantee high-availability, ...

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Laws of Software Design

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Software design just like any other engineering design endeavor, requires a fair amount of effort, experience, patience and knowhow in order to be done right. Based on Akin’s Laws of Spacecraft Design I present our readers with a slightly modified list of what I believe are the basic “Laws of Software design” especially when you are dealing with customer oriented, ...

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Cassandra vs MongoDB vs CouchDB vs Redis vs Riak vs HBase comparison

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Kristóf Kovács performed a very interesting brief comparison among six of the most popular “NoSQL” database implementations. Additionally to Kristóf’s work, I would like to provide some links which I believe will help all of you who are interested in following the “NoSQL” community along : NoSQLDatabases – http://www.nosqldatabases.com/ myNoSQL – http://nosql.mypopescu.com/ NoSQL – http://nosql-database.org/ Best Regards Justin

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How to Do 100K TPS at Less than 1ms Latency

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Martin Thompson and Michael Barker talk about building a HPC financial system handling over 100K TPS at less than 1ms latency by having a new approach to infrastructure and software. Some of the tips include: Understand the platform Model the domain Create a clear separation of concerns Choose data structures wisely Run business logic on a single thread The presentation that ...

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Revving Up Your Hibernate Engine

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Want to know how you can tune up your Hibernate-based applications for seamless scalability and maximum performance results? This article explores tuning techniques for Hibernate-based applications, focusing on tuning topics that are effective but poorly documented, such as inheritance mapping, second level cache and enhanced sequence identifier generators. It also provides some background database information which is essential for tuning Hibernate. A ...

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Java Code Geeks on Facebook

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Hello fellow Java developers! We are pleased to announce that our blog enriched with Facebook presence. You can find our Facebook page here From Java developers to Java developers, help develop the largest Java Geeks community today! Best Regards Justin

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Things Every Programmer Should Know

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At ui-programming, one of our JCG program participant sites, articles about “Things Every Programmer Should Know” are occasionally posted. As stated in the author’s first post, the 97 Things Every Programmer Should Know project, pearls of wisdom for programmers collected from leading practitioners. The collection is intended simply to contain multiple and varied perspectives on what it is that contributors ...

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The Java Code Geek (JCG) Program

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We are pleased to announce Java Code Geeks JCG Program. The Java Code Geeks JCGs are talented bloggers actively writing about topics of interest to our Java developer community. Each JCG allows our editors to occasionally syndicate their relevant blog posts onto Java Code Geeks site. The JCG program is a great way for bloggers to drive traffic from our ...

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