About Jettro Coenradie

I am a Software Developer / Architect with a lot of hands on experience in Java, AngularJS, Elasticsearch and lots of others tools. I like to use these technologies to help customers with the business challenges. On top of that I like to gather and share knowledge related to data analytics. I have experience with importing and transforming data as well as presenting and visualising the data. Currently I am working with tools like elasticsearch, logstash and Kibana but also D3 and C3 for graphics and other presentations.

Using Compound words in Elasticsearch

Posted on 2019-01-24 by

From one of our customers, we got a question about using compound words in queries. Compound words are essential in languages like Dutch and German. Some examples in Dutch are zomervakantie, kookboek and koffiekopje. When a user enters koffiekopje, we...

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Being relevant with Solr

Posted on 2018-12-01 by

Ok, I have to admit, I am not (yet) a Solr expert. However, I have been working now with elasticsearch for years and the fundamentals of obtaining relevant results for Solr and Elasticsearch are still the same. For a customer,...

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Elasticon 2018 Day 1

Posted on 2018-02-28 by

The past few days have been fantastic. Together with Byron I am visiting San Francisco. We have seen amazing sights, but yesterday the reason why we came started. Day one of Elasticon starts with the keynote showing us cool new...

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A fresh look at Logstash

Posted on 2017-10-31 by

Soon after the release of elasticsearch it became clear that elasticsearch was good at more than providing search. It turned out that it could be used to store logs very effectively. That is why logstash was using elasticsearch. It contained...

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Elasticsearch 6 is coming

Posted on 2017-10-26 by

For some time now, elasticsearch has been releasing versions of the new major release elasticsearch 6. At this moment the latest edition is already rc1, so it is time to start thinking about migrating to the latest and greatest. What...

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Part 2 of Creating a search DSL

Posted on 2017-07-21 by

In my previous blog post I wrote about creating your own search DSL using Antlr. In that post I discussed the Antlr language for constructs like AND/OR, multiple words and combining words. In this blog post I am showing how...

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Creating a search DSL

Posted on 2017-06-28 by

As an (elastic)search expert, I regularly visit customers. For these customers I often do a short analysis of their search solution and I give advice about improvements they can make. It is always interesting to look at solutions customers come...

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