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Internship in Big Data infrastructure with TDP
Categories: Infrastructure, Learning | Tags: Cyber Security, DevOps, Java, Hadoop, IaC, Internship, TDP
Job Description Big Data and distributed computing is at Adaltas’ core. We support our partners in the deployment, maintenance and optimization of some of France’s largest clusters. Adaltas is also an…
By Daniel HARTY
Oct 25, 2021
Build your open source Big Data distribution with Hadoop, HBase, Spark, Hive & Zeppelin
Categories: Big Data, Infrastructure | Tags: Maven, Hadoop, HBase, Hive, Spark, Git, Release and features, TDP, Unit tests
The Hadoop ecosystem gave birth to many popular projects including HBase, Spark and Hive. While technologies like Kubernetes and S3 compatible object storages are growing in popularity, HDFS and YARN…
Dec 18, 2020
Rebuilding HDP Hive: patch, test and build
Categories: Big Data, Infrastructure | Tags: Maven, Java, Hive, Git, GitHub, Release and features, TDP, Unit tests
The Hortonworks HDP distribution will soon be deprecated in favor of Cloudera’s CDP. One of our clients wanted a new Apache Hive feature backported into HDP 2.6.0. We thought it was a good opportunity…
Oct 6, 2020
Installing Hadoop from source: build, patch and run
Categories: Big Data, Infrastructure | Tags: Maven, Java, LXD, Hadoop, HDFS, Docker, TDP, Unit tests
Commercial Apache Hadoop distributions have come and gone. The two leaders, Cloudera and Hortonworks, have merged: HDP is no more and CDH is now CDP. MapR has been acquired by HP and IBM BigInsights…
Aug 4, 2020
Machine Learning model deployment
Categories: Big Data, Data Engineering, Data Science, DevOps & SRE | Tags: DevOps, Operation, AI, Cloud, Machine Learning, MLOps, On-premises, Schema
“Enterprise Machine Learning requires looking at the big picture […] from a data engineering and a data platform perspective,” lectured Justin Norman during the talk on the deployment of Machine…
Sep 30, 2019
Apache Beam: a unified programming model for data processing pipelines
Categories: Data Engineering, DataWorks Summit 2018 | Tags: Apex, Beam, Pipeline, Flink, Spark
In this article, we will review the concepts, the history and the future of Apache Beam, that may well become the new standard for data processing pipelines definition. At Dataworks Summit 2018 in…
May 24, 2018
Nobody* puts Java in a Container
Categories: Containers Orchestration, Open Source Summit Europe 2017, Infrastructure | Tags: cgroups, Java, JRE, JVM, Namespaces, Docker
This talk was about the issues of putting Java in a container and how, in its latest version, the JDK is now more aware of the container it is running in. The presentation is led by Joerg Schad…
Oct 28, 2017
Maven 3 behind a proxy
Categories: Hack | Tags: Maven, Java, Proxy
Maven 3 isn’t so different to it’s previous version 2. You will migrate most of your project quite easily between the two versions. That wasn’t the case a fews years ago between versions 1 and…
By David WORMS
Jul 11, 2013
Options to connect and integrate Hadoop with Oracle
Categories: Data Engineering | Tags: Database, Java, Oracle, R, RDBMS, Avro, HDFS, Hive, MapReduce, Sqoop, NoSQL, SQL
I will list the different tools and libraries available to us developers in order to integrate Oracle and Hadoop. The Oracle SQL Connector for HDFS described below is covered in a follow up article…
By David WORMS
May 15, 2013
E-commerce electronic cigarettes: first impressions with Prestashop
Categories: Tech Radar | Tags: HTML, Java, Node.js
Last year, I had to select and integrate an e-commerce software for the website CigarHit selling electronic cigarettes. Considering that the last e-commerce integration I made dated from 2005, I took…
By David WORMS
Jul 25, 2012
Two Hive UDAF to convert an aggregation to a map
Categories: Data Engineering | Tags: Java, HBase, Hive, File Format
I am publishing two new Hive UDAF to help with maps in Apache Hive. The source code is available on GitHub in two Java classes: “UDAFToMap” and “UDAFToOrderedMap” or you can download the jar file. The…
By David WORMS
Mar 6, 2012
Java versus JS fun, a quote from the Node.js mailing list
Categories: Node.js | Tags: Java, JavaScript, Node.js
I just read that one on the mailing list. I found it relevant enough to share it with those who did not subscribe to it: First Lothar Pfeiler: I still wonder, if it’s cool to have such a big…
By David WORMS
Feb 23, 2012
MapReduce introduction
Categories: Big Data | Tags: Java, MapReduce, Big Data, JavaScript
Information systems have more and more data to store and process. Companies like Google, Facebook, Twitter and many others store astronomical amounts of information from their customers and must be…
By David WORMS
Jun 26, 2010
