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Monat: September 2017

Blog Post: Articles in DOAG Red Stack Magazin

Blog Post: Articles in DOAG Red Stack Magazin

A while ago I wrote two articles for the DOAG Red Stack Magazin. In the meantime both articles have been published. For this reason I use the opportunity to make the PDF versions of the articles available on oradba.ch. The articles are written in German and available as Trivadis version as well Red Stack version. […]

Blog Post: Activating and Deactivating Performance Feedback

Blog Post: Activating and Deactivating Performance Feedback

Performance feedback is one of the adaptive query optimizer features introduced in Oracle Database 12c. The aim of this short post isn’t to explain how it works, but to simply warn you about a buggy behavior in its configuration. The parameters that control performance feedback are the following: OPTIMIZER_ADAPTIVE_FEATURES (12.1 only): if set to TRUE […]

Blog Post: Last Week in Stream Processing & Analytics – 26.9.2017

Blog Post: Last Week in Stream Processing & Analytics – 26.9.2017

This is the 83rd edition of my blog series blog series around Stream Processing and Analytics! As every week I was also updating the following two lists with the presentations/videos of the current week: Presentations from SlideShare Videos from YouTube As usual, find below the new blog articles, presentations, videos and software releases from last […]

Blog Post: Automatic Crack Detection – with Deep Learning

Blog Post: Automatic Crack Detection – with Deep Learning

On Friday at DOAG Big Data Days, I presented one possible application of deep learning: using deep learning for automatic crack detection – with some background theory, a Keras model trained from scratch, and the use of VGG16 pretrained on Imagenet. The amount of input data really was minimal, and the resulting accuracy, under these … Continue reading Automatic Crack Detection – with Deep Learning

Blog Post: Last Week in Stream Processing & Analytics – 19.9.2017

Blog Post: Last Week in Stream Processing & Analytics – 19.9.2017

This is the 82nd edition of my blog series blog series around Stream Processing and Analytics! This is another rather long blog post with both presentations and videos from Kafka Summit and Flink Forward 2017. @Confluentinc & @dataArtisans: Thanks a lot for making them available! As every week I was also updating the following two […]

Blog Post: Deep Learning, deeplearning4j and Outlier Detection: Talks at Trivadis Tech Event

Blog Post: Deep Learning, deeplearning4j and Outlier Detection: Talks at Trivadis Tech Event

Last weekend, another edition of Trivadis Tech Event took place. As usual, it was great fun and a great source of inspiration. I had the occasion to talk about deep learning twice: One talk was an intro to DL4J (deeplearning4j), zooming in on a few aspects I’ve found especially nice and useful while trying to … Continue reading Deep Learning, deeplearning4j and Outlier Detection: Talks at Trivadis Tech Event

Blog Post: Last Week in Stream Processing & Analytics – 12.9.2017

Blog Post: Last Week in Stream Processing & Analytics – 12.9.2017

This is the 81th edition of my blog series blog series around Stream Processing and Analytics! As every week I was also updating the following two lists with the presentations/videos of the current week: Presentations from SlideShare Videos from YouTube As usual, find below the new blog articles, presentations, videos and software releases from last […]

Start ODSM on boot using systemd

Start ODSM on boot using systemd

A couple of month ago I wrote blog on how to start Oracle Unified Directory (OUD) on system boot (see ) using a unit file and systemd. Quite a simple and straightforward way to start OUD. Why not using the same approach for ODSM? This can be easily implemented, because my weblog infrastructure is only […]