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The role of IT architecture in times of the digital creation...

Article in German by our colleagues Olaf Terhorst and Dr. Dimitris Matalliotakis in the journal „Management Inspirationen“.

Online supermarket shop.rewe.de, launched with mgm, is test winner!

According to a recent survey of the Berlin based market research institute Deutsches Institut für Preis-Leistungs-Forschung the Rewe online shop, „made by mgm“, that...

Controlling GC pauses with the GarbageFirst Collector – Tuning Guidelines for...

In the previous post I have shown that the GarbageFirst (G1) collector in Java 7 (and also 8ea) does a reasonable job but cannot reach the GC throughput of the “classic” collectors as soon as old generation collections come about. This article focuses on G1’s ability to control the duration of GC pauses. To this [...]

Benchmarking G1 and other Java 7 Garbage Collectors – Tuning Guidelines...

As mentioned in a first post of this series, Oracle’s GarbageFirst (G1) collector has been a supported option in Java 7 for some time. This post examines in more detail the performance of the G1 garbage collector compared to the other collectors available in the Hotspot JVM. I used benchmark tests for this purpose instead [...]

Searching OpenStreetMap Geospatial Data with Solr

We are currently experiencing a Geospatial Revolution that changes in how we navigate from A to B and how we search for locations like a specific sight or restaurants nearby. Geospatial search technology provides such information. This article shows how commercial applications can utilize geospatial search, e.g. for real estate search (qualifing real estates by [...]

Designing and Implementing our Camel-based mgm Cosmo Router – Robust and...

We recently finished a subproject to integrate our mgm Cosmo insurance software with an external CRM system. Both systems had to exchange XML documents in a reliable and robust manner in order to keep their data in sync. We used Apache Camel as the middleware to handle all the transfers between the Java and .NET [...]

Securing your Password Database with bcrypt

Do you also spend sleepless nights because you have saved the passwords of your users in clear text or near-clear text (MD5)? We will show you a simple method how you can smoothly migrate your password database to a much more secure format. The transition is transparent to the users and instant, i.e. as soon [...]

HTML 5 Security (Article in iX 1/2013)

In connection with the Web standard HTML5, developers have made a lot of effort in terms of security. But new features result in growing...

On the Quality Benefits of Formal Domain Specific Languages – Software...

One of the assets of mgm is dedicated quality for software, including especially portal technology for applications with high-safety and reliance demands. In the first blog within this series, “Using Domain Specific Languages to Implement Interactive Frontends“, we described an approach using a specification language (DSL) family on customer level to specify valid inputs and [...]

Mobile Dashboard Reporting powered by JAX-RS and Highcharts

When we developed this sales reporting solution for the insurance sector, we went for a mobile, browser-based dashboard that renders the reports on the client-side and thus enable a high degree of interactivity. That means that once the reporting data is delivered, the client should be able to e.g. drill down into the data or [...]