Shared-Nothing Architecture

Shared-nothing architecture (SNA) is a pattern used in distributing computing in which a system is based on multiple self-sufficient nodes that have their own memory, HDD storage and independent input/output interfaces. Each node shares no resources with other nodes, and there is a synchronization mechanism that ensures that all information is available on at least two nodes.

Shared-nothing architecture is very popular in web applications, because it provides almost infinite horizontal scaling that can be made with very inexpensive hardware. It is widely used by Google, Microsoft and many other companies that need to collect and process massive sets of data.

One of the good examples of using the SNA architecture is a MySQL cluster. It features a Network DataBase (NDB) storage engine that automatically distributes MySQL data across multiple storage nodes and provides great performance in write-heavy applications. Learn more about MySQL clustering...

Shared-Nothing Architecture and Backups

It is very important to understand that although shared-nothing architecture provides very high availability of your applications, it can’t be a replacement for backups. Automated synchronization of storage nodes means that all errors are automatically synchronized too: for instance, if you accidentally drop a database table, it will be deleted from all databases.

Our software, Handy Backup, has a number of powerful plug-ins designed for backup and recovery of databases of different types. We welcome you to try it – it takes less than 2 minutes to setup and create your first backup!


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See all terms from Databases...

Backup Terms Glossary

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Term of the Day

  • WebDAV Protocol
    “WebDAV stands for Web-based Distributed Authoring and Versioning. It is an extension to the HTTP protocol, that allows numerous users to access and...”

Backup Software Glossary

Current glossary explains various terms that you may come across while working with Handy Backup or other backup software.

Handy Backup is a backup utility for Windows Servers and PCs that is famous for its flexibility and ease of use.

The glossary contains 173 terms. The current section Databases contains 18 terms.

Other “Databases” Terms

  • Physical Backup
    “Physical backup is a copy of an application’s binary files that is performed on hard drive level using common file system queries, rather than...”
  • Logical Backup
    “Logical backup is a copy of objects used in an application (e.g. database tables), that is made by accessing them through the application’s...”
  • How to Replicate MySQL Database on Linux
    “MySQL replication on Linux is an important task for several users, as the growing world of Linux actively includes MySQL data in many individual and...”

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