Category Archives: Open Source

Jersey Performance Improvement (Step One) | Code Review | Head Crashing Informatics 82

Posted on 4. November 2023 by Markus Karg

Let’s take a deep dive into the source code of #Jersey (the heart of GlassFish, Payara and Helidon) to learn how we can make our own I/O code run faster on modern Java. In this first step, we apply NIO … Continue reading →

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Jersey powered by NIO | The Two Minutes Tuesday 041 | Open Source

Posted on 24. October 2023 by Markus Karg

Thanks to my latest contribution, #Jersey now runs on #NIO – and is considerably more efficent. 🚀 #performance #java If you like this video, please give it a thumbs up, share it, subscribe to my channel, or become my patreon … Continue reading →

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Now I am JCommander committer | The Two Minutes Tuesday 040 | Open Source

Posted on 10. October 2023 by Markus Karg

Since few weeks I am committer and release manager of JCommander. 🚀 If you like this video, please give it a thumbs up, share it, subscribe to my channel, or become my patreon https://www.patreon.com/mkarg. Thanks! 🙂

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Contributing to OpenJDK | The Two Minutes Tuesday 039 | Open Source

Posted on 26. September 2023 by Markus Karg

I really adore to be part of #OpenJDK! 😃 If you like this video, please give it a thumbs up, share it, subscribe to my channel, or become my patreon https://www.patreon.com/mkarg. Thanks! 🙂

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Welcome to the Liquibase Community | The Two Minutes Tuesday 038 | Open Source

Posted on 12. September 2023 by Markus Karg

I have fixed a lot of bugs in Liquibase, but it was worth it! If you like this video, please give it a thumbs up, share it, subscribe to my channel, or become my patreon https://www.patreon.com/mkarg. Thanks! 🙂

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No videos for long time! | The Two Minutes Tuesday 037 | Announcement

Posted on 29. August 2023 by Markus Karg

I feel very bad for letting you wait so long for new videos. But more open source stuff is in the queue! If you like this video, please give it a thumbs up, share it, subscribe to my channel, or … Continue reading →

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JCommander 1.83

Posted on 24. August 2023 by Markus Karg

Some weeks ago Cédric BEUST (the founder of JCommander, TestNG and GMail on Android) granted committer status to me, and appointed me as the release manager of JCommander. The first means, I can push commits into the Github repo. The … Continue reading →

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More Performance! | OpenJDK Contrib | Java Coding | Head Crashing Informatics 78

Posted on 27. May 2023 by Markus Karg

And AGAIN: I improved the I/O performance of #OpenJDK 21 even more! If your #Java program transfer bytes from a socket to a file, then you MUST watch this video! If you like this video, please give it a thumbs … Continue reading →

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Speed it up by throwing it away | Maven Contribution | Java Coding | Head Crashing Informatics 72

Posted on 4. March 2023 by Markus Karg

For a third time, I speeded up Plexus-Utils, which is the workhorse underlying #Maven. This time, simply by throwing code away! If you like this video, please give it a thumbs up, share it, subscribe to my channel, or become … Continue reading →

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Speed up your I/O with Java 11 | Maven Contribution | Java Coding | Head Crashing Informatics 71

Posted on 18. February 2023 by Markus Karg

I modified Plexus-Utils, which is the workhorse underlying #Maven, once again. This time, to copy data faster using #Java 11’s NIO APIs. If you like this video, please give it a thumbs up, share it, subscribe to my channel, or … Continue reading →

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