Blog, last published articles

Node.js CSV version 4 – re-writing and performance

Today, we release a new major version of the Node.js CSV parser project. Version 4 is a complete re-writing of the project focusing on performance. It also comes with new functionalities as well as some cleanup in the option properties and the exported information. The official website is updated and the changelog contains the list [...]

By |2018-11-19T10:53:34+00:00November 19th, 2018|Categories: Node.js|Tags: , , |0 Comments

Hadoop cluster takeover with Apache Ambari

We recently migrated a large production Hadoop cluster from a “manual” automated install to Apache Ambari, we called this the Ambari Takeover. This is a risky process and we will detail why this operation was required and how we did it. […]

By |2018-11-20T13:54:41+00:00November 15th, 2018|Categories: Adalas Summit 2018, Big Data|Tags: , , , |0 Comments

Managing User Identities on Big Data Clusters

Securing a Big Data Cluster involves integrating or deploying specific services to store users. Some users are cluster-specific when others are available across all clusters. It is not always easy to understand how these different services fit together and whether they should be shared across multiple clusters. Also, which strategy to choose and what are [...]

By |2018-11-08T11:15:29+00:00November 8th, 2018|Categories: Big Data, Cyber Security|Tags: , , , , , |0 Comments

Apache Flink: past, present and future

Apache Flink is a little gem which deserves a lot more attention. Let’s dive into Flink’s past, its current state and the future it is heading to by following the keynotes and presentations at Flink Forward 2018. […]

By |2018-11-15T11:47:31+00:00November 5th, 2018|Categories: Big Data, Data Engineering|Tags: , , , , , , |0 Comments

One week to discuss technology in a Moroccan riad

Adaltas organise the year its first conference between the 22 and 26 of October. On the agenda of these 5 days of conference: discuss technology in one of the most beautiful riad of Marrakech. Mix the useful with the pleasant, learn and share the feet in the swimming pool. The rule is simple, each participant [...]

By |2018-10-14T12:18:40+00:00October 11th, 2018|Categories: Adalas Summit 2018|Tags: , , , , , , |0 Comments

Deploying a secured Flink cluster on Kubernetes

When deploying secured Flink applications inside Kubernetes, you are faced with two choices. Assuming your Kubernetes is secure, you may rely on the underlying platform or rely on Flink native solutions to secure your application from the inside. Note, those two solutions are not mutually exclusive. […]

By |2018-10-09T11:25:29+00:00October 8th, 2018|Categories: Big Data, Cyber Security|Tags: , , , , , |0 Comments

Lando: Deep Learning used to summarize conversations

Lando is an application to summarize conversations using Speech To Text to translate the written record of a meeting into text and Deep Learning technics to summarize contents. It allows users to quickly understand the context of the conversation. During the cource of our internship at Adaltas, we worked on a new project called Lando to [...]

Clusters and workloads migration from Hadoop 2 to Hadoop 3

Hadoop 2 to Hadoop 3 migration is a hot subject. How to upgrade your clusters, which features present in the new release may solve current problems and bring new opportunities, how are your current processes impacted, which migration strategy is the most appropriate to your organization? […]

By |2018-08-17T09:36:26+00:00July 25th, 2018|Categories: Big Data|Tags: , , , |0 Comments