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Big DATA [clear filter]
Saturday, May 9
 

10:30

Hazelcast Session Replication with Docker
Hazelcast ,the leading in-memory data grid, has many integration features and one of them is Hazelcast web session replication. User sessions are maintained in the Hazelcast cluster, using multiple copies for redundancy. In this session, I will show how to configure Hazelcast for session clustering and show an use case in docker environment. 

Speakers

Saturday May 9, 2015 10:30 - 10:45
Room 2

11:30

Advanced Search for legacy application with ElasticSearch

How do you mix SQL and NoSQL worlds without starting a messy revolution?

This live coding talk will show you how to add Elasticsearch to your legacy application without changing all your current development habits. Your application will have suddenly have advanced search features, all without the need to write complex SQL code!

David will start from a Spring, Hibernate and HSQLDB based application and will add a complete integration of Elasticsearch, all live from the stage during his presentation.

Topics covered during the live coding demo include:

  • Why should we add NoSQL search?
  • How to represent business entities in NoSQL documents?
  • How to live without transactions inside a transactional application?
  • Spring factories for Elasticsearch
  • Bad practices and how to cure them with best practices


Speakers
avatar for David Pilato

David Pilato

Developer | Evangelist, elastic
David Pilato is Developer & Evangelist at Elastic and the creator of the Elastic French Speakers User Group. He is a a frequent speaker about all things Elastic, including previous editions of Devoxx (Belgium, France, UK) . In his free time, he enjoys coding and DJs four times... Read More →


Saturday May 9, 2015 11:30 - 12:20
Big Room

13:20

Building fault tolerant applications with Cassandra

Building fault tolerant applications requires application developers to change their mindset. There's no point building a resilient application if its database is a single point of failure. This talk will go into Cassandra’s fault tolerant architecture and why it was the Datastore of choice for companies like Netflix.

We'll have brief introduction to Apache Cassandra, how to interact with it from Java and how its architecture is built around being tolerant to faults. Then we'll talk about how developers' mindset needs to change when dealing with a distributed datastore, topics include: CAP theorem and cross datacenter latency.

People should leave with a good understanding of Cassandra and how using a distributed database is very different from a traditional relational database.


Speakers
avatar for Christopher Batey

Christopher Batey

Software Engineer/Evangelist, DataStax
Christopher Batey is a Software Engineer by trade and is currently employed by DataStax a Technical Evangelist for Apache Cassandra, previously he was Senior Software Engineer at BSkyB where he spent his time designing and developing their next generation platform that backs Sky Go... Read More →


Saturday May 9, 2015 13:20 - 14:10
Room 1

14:20

Operational Database with Elephant Memory
Abstract:

Nowadays there's a lot of fuzz around big data projects and large deployments of both analytical and operational datasets and applications. In such diverse, variable and voluminous environment one might be lost on the amount of options and choices for tackling a particular use cases. More often than not, the solution passes by using the right set of tools and not so much the one size fits all traditional approach.

Description:

This talk is about how MongoDB and Hadoop can be put to work together on very challenging and demanding use cases like lambda architectures, operational + analytical workloads or even realtime immediate access + long term and raw archiving deployments.
The talk consists on 3 main topics:

  • Differences and complementary usage of MongoDB and Hadoop
  • Real production use cases
  • Small demo to demonstrate how we can easily integrate both technologies under the same deployment

The attendees will be taking home a set of real life experiences, a small demo that they can practices themselves to better understand where the 2 technologies can be of their interest and some ideas so they can explore extended usage of MongoDB with the full Hadoop stack (Spark, YARN, HDFS, Hive and PIG)

Audience:

This talk is primarily oriented for development and ops teams with a small stint on use cases that might be interest for the most bizdev and architects. If you work on large datasets and operational databases, this talk is for you.


Speakers
avatar for Norberto Leite

Norberto Leite

Technical Evangelist, MongoDB
Norberto Leite is Technical Evangelist @ MongoDB. Norberto has been working for the last 5 years on large scalable and distributable application environments, both as advisor and engineer. Prior to MongoDB Norberto served as BigData Engineer at Telefonica.


Saturday May 9, 2015 14:20 - 15:10
Big Room

15:40

Distributed Computing with Hazelcast
Today’s applications are getting more and more distributed everyday and it is well-known that distributed programming is hard. Hazelcast makes Distributed Computing extremely easy. In this session, I will demonstrate how to make basic data structures (Map,Queue et.c) distributed, how to distribute execution to the cluster using our Distributed Executor Service. The session will also cover how to configure Spring, Hibernate with Hazelcast.

Speakers

Saturday May 9, 2015 15:40 - 16:30
Big Room

16:40

Manage Time-base data with Spring Data Couchbase

A common thing to do in the big data world is store time-based data. It can be logs, user events, social media metrics, market data indicators or even more common now sensor data. You can do that very easily with Spring Data Couchbase.

I this talk I will tell you what you need to know before starting to store time-based data. I'll talk about use cases, data modeling, how Couchbase is a perfect fit for this kind of job and code a little demo that reflects all of this.


Speakers
avatar for Laurent Doguin

Laurent Doguin

Couchbase
Laurent is a Paris based Developer Advocate where he focuses on helping Java developers and the French community. He writes code in Java and blog posts in Markdown.Prior to joining Couchbase he was Nuxeo’s community liaison where he devoted his time and expertise to helping the... Read More →


Saturday May 9, 2015 16:40 - 17:30
Room 1