Tag: HA Cluster

How To Install Apache Spark on Ubuntu

Posted on September 16, 2020 by Justin Palmer | Updated: March 8, 2021

Category: Tutorials | Tags: Apache Spark, Big Data, Cluster Computing, Clustering, Clusters, Data Driven Applications, Data Processing, Data Science, Distributed Systems, Environment Variables, Framework, HA Cluster, Hadoop, Java, local, Machine Learning, Master, Pyspark, Scala, Shell, Spark, Spark Shell, Web Interface, Worker

Reading Time: 6 minutes

What is Apache Spark?

Apache Spark is a distributed open-source, general-purpose framework for clustered computing. It is designed with computational speed in mind, from machine learning to stream processing to complex SQL queries. It can easily process and distribute work on large datasets across multiple computers.

Continue reading →

What is High Availability? A Tutorial

Posted on August 6, 2020 by David Singer

Category: Tutorials | Tags: 2Nx Models, Architecture, Autonomous, Availability, Backups, Best Practice, Clustering, Deployment, Design, Disaster Recovery, Downtime, Engineered, Fault Tolerance, HA Cluster, Heartbeat, High Availability, Infrastructure, Monitoring, Node, Nx Models, Orchestrated, Pacemaker, Redundancy, Reliability, Replication, Scalability, Single Point of Failure, Split Brain, System, Testing, Uptime

Reading Time: 9 minutes

High availability is the description of a system designed to be fault-tolerant, highly dependable, operates continuously without intervention, or having a single point of failure. These systems are highly sought after to increase the availability and uptime required to keep an infrastructure running without issue. The following characteristics define a High Availability system.

Continue reading →