Name: Oracle Real Application Clusters
Rating: 9.3 (2 reviews)
Author: Oracle

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Oracle Real Application Clusters (RAC) allow customers to run a single Oracle Database across multiple servers in order to maximize availability and enable horizontal scalability, while accessing shared storage. User sessions connecting to Oracle RAC instances can failover and safely replay changes during outages, without any changes to end user applications, hiding the impact of the outages from end users.

Oracle Real Application Clusters

High Availability Clusters (or HA Clusters, also called fail over clusters) are servers grouped together so that if one server providing an applications fails, another server immediately restarts the application. In this way application reliability is maintained and down-time is minimized or nearly eliminated. High Availability Cluster Software (or just High Availability Software) are the automated cluster management platforms designed to achieve constant application availability without intervention by a human operator.

High Availability Cluster

1Z0-058 - Oracle Exam 1Z0-058 Test Questions PDF

Likelihood to Recommend

Emerging technologies are disrupting old paradigms and
unleashing new opportunities. Oracle has embedded innovative technologies in
every aspect of our cloud, enabling companies to reimagine their businesses,
processes, and experiences. The world’s #1 database is now autonomous,
allowing enterprises to innovate at the speed of a startup. And Oracle is the leader and steward of Java, the world's #1 programming language and platform. Oracle provides essential elements for companies to pioneer
innovations and drive new business models. For example, applications based on artificial
intelligence (AI) can suggest the next best actions, automate answers, and
provide personalized service. Oracle embeds machine learning into several
management and security offerings to help monitor, troubleshoot, and predict
potential outages and security breaches. We enable automated but personalized
interactions across our applications via digital assistants—and we’ve
integrated AI into analytics to help discover hidden patterns. 

Oracle helps customers develop roadmaps, migrate to the
cloud, and take advantage of emerging technologies from any point: new cloud
deployments, on-premises environments, and hybrid implementations. Oracle’s
approach makes it easy for companies to get started in the cloud and even
easier to expand as business grows. 

Oracle is the #1 provider of business software, with a broad
portfolio of solutions for companies of all sizes.

Oracle

Microsoft SQL Server

Oracle GoldenGate

Oracle Database

Oracle APEX

Oracle Real Application Clusters 2022-02-19 09:17:09

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High Availability Cluster Software

Being an Oracle consultant, I have come across many times where customers seek solutions to problems where they face issues with scalability or load balancing or performance issues on their application. Oracle Real Application Clusters also helps with failover solutions with almost no outage to the business. This allows customers to run a single Oracle Database across multiple servers in order to maximize availability and enable horizontal scalability.

Horizontal scalability
Seamless failover
No impact on business during failover

Oracle Real Application Clusters is totally dependant on DBA's . It would be great if it can be simplified somehow
Its license cost
Enabling usage in standard edition

Horizontal scalability which enables addition of extra nodes
Failover
Application traffic load balance

Outage on application downtime has greatly reduced
Customers confirmed, performance wise, it has been better after deployment of Oracle Real Application Clusters
Shared storage

Oracle GoldenGate, Oracle Application Express, Oracle Database

Oracle Real Application Clusters

Overview

What is Oracle Real Application Clusters?