Apache Ambari
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Apache HBase: RegionServers co-location
Categories: Big Data, Adaltas Summit 2021, Infrastructure | Tags: Ambari, Database, Infrastructure, Tuning, Hadoop, HBase, Big Data, HDP, Storage
RegionServers are the processes that manage the storage and retrieval of data in Apache HBase, the non-relational column-oriented database in Apache Hadoop. It is through their daemons that any CRUD…
Feb 22, 2022
Apache Knox made easy!
Categories: Big Data, Cyber Security, Adaltas Summit 2018 | Tags: LDAP, Active Directory, Knox, Ranger, Kerberos, REST
Apache Knox is the secure entry point of a Hadoop cluster, but can it also be the entry point for my REST applications? Apache Knox overview Apache Knox is an application gateway for interacting in a…
Feb 4, 2019
Jumbo, the Hadoop cluster bootstrapper
Categories: Infrastructure | Tags: Ambari, Automation, Ansible, Cluster, Vagrant, HDP, REST
Introducing Jumbo, a Hadoop cluster bootstrapper for developers. Jumbo helps you deploy development environments for Big Data technologies. It takes a few minutes to get a custom virtualized Hadoop…
Nov 29, 2018
Hadoop cluster takeover with Apache Ambari
Categories: Big Data, DevOps & SRE, Adaltas Summit 2018 | Tags: Ambari, Automation, iptables, Nikita, Systemd, Cluster, HDP, Kerberos, Node, Node.js, REST
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…
Nov 15, 2018
Curing the Kafka blindness with the UI manager
Categories: Big Data | Tags: Ambari, Hortonworks, HDF, JMX, UI, Kafka, Ranger, HDP
Today it’s really difficult for developers, operators and managers to visualize and monitor what happens in a Kafka cluster. This articles covers a new graphical interface to oversee Kafka. It was…
Jun 20, 2018
Ambari - How to blueprint
Categories: Big Data, DevOps & SRE | Tags: Ambari, Automation, DevOps, Operation, Ranger, REST
As infrastructure engineers at Adaltas, we deploy Hadoop clusters. A lot of them. Let’s see how to automate this process with REST requests. While really handy for deploying one or two clusters, the…
Jan 17, 2018
Change Ambari's topbar color
Categories: Big Data, Hack | Tags: Ambari, Front-end
We recently had a client that has multiple environments (Production, Integration, Testing, …) running on HDP and managed using one Ambari instance per cluster. One of the questions that came up was…
Jul 9, 2017
HDP cluster monitoring
Categories: Big Data, DevOps & SRE, Infrastructure | Tags: Alert, Ambari, Metrics, Monitoring, HDP, REST
With the current growth of BigData technologies, more and more companies are building their own clusters in hope to get some value of their data. One main concern while building these infrastructures…
Jul 5, 2017
Hadoop development cluster of virtual machines with static IP using VirtualBox
Categories: Infrastructure | Tags: Ambari, Hortonworks, Red Hat, VirtualBox, VM, VMware, Cloudera, Network
A few days ago, I explained how to set up a cluster of virtual machine with static IPsand Internet access suitable to host your Hadoop cluster locally for development. At the time I made use of VMWare…
By David WORMS
Mar 14, 2013
Virtual machines with static IP for your Hadoop development cluster
Categories: Infrastructure | Tags: Ambari, Hortonworks, Red Hat, VirtualBox, VM, VMware, Cloudera, Network
While I am about to install and test Ambari, this article is the occasion to illustrate how I set up my development environment with multiple virtual machines. Ambari, the deployment and monitoring…
By David WORMS
Feb 27, 2013
