Tugdual Grall

Tugdual Grall, an open source advocate and a passionate developer, is a Chief Technical Evangelist EMEA at MapR. He currently works with the European developer communities to ease MapR, Hadoop, and NoSQL adoption. Before joining MapR, Tug was Technical Evangelist at MongoDB and Couchbase. Tug has also worked as CTO at eXo Platform and JavaEE product manager, and software engineer at Oracle. Tugdual is Co-Founder of the Nantes JUG (Java User Group) that holds since 2008 monthly meeting about Java ecosystem. Tugdual also writes a blog available at http://tgrall.github.io/

Enterprise Java
Tugdual GrallJuly 27th, 2015
0 53
Apache Drill : How to Create a New Function?
Apache Drill allows users to explore any type of data using ANSI SQL. This is great, but Drill goes even…
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Software Development
Tugdual GrallFebruary 9th, 2015
0 43
Introduction to MongoDB Security
Last week at the Paris MUG, I had a quick chat about security and MongoDB, and I have decided to…
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Software Development
Tugdual GrallFebruary 3rd, 2015
0 29
Moving My Beers From Couchbase to MongoDB
Few days ago I have posted a joke on Twitter: …
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Software Development
Tugdual GrallJanuary 16th, 2015
0 339
How to create a pub/sub application with MongoDB ? Introduction
In this article we will see how to create a pub/sub application (messaging, chat, notification), and this fully based on…
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Software Development
Tugdual GrallNovember 28th, 2014
0 24
Big Data… Is Hadoop the good way to start?
In the past 2 years, I have met many developers, architects that are working on “big data” projects. This sounds…
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Software Development
Tugdual GrallSeptember 2nd, 2014
0 91
Introduction to MongoDB Geospatial feature
This post is a quick and simple introduction to Geospatial feature of MongoDB 2.6 using simple dataset and queries. Storing…
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Software Development
Tugdual GrallApril 1st, 2014
0 76
db.person.find( { “role” : “DBA” } )
Wow! it has been a while since I posted something on my blog post. I have been very busy, moving…
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Enterprise Java
Tugdual GrallOctober 5th, 2013
0 30
Pagination with Couchbase
If you have to deal with a large number of documents when doing queries against a Couchbase cluster it is…
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Software Development
Tugdual GrallJuly 21st, 2013
0 24
How to implement Document Versioning with Couchbase
Introduction Developers are often asking me how to “version” documents with Couchbase 2.0. The short answer is: the clients and…
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Thank you!