liveBook · Manning

Uptime

As explained in MongoDB 8.0 in Action, Third Edition

High availability is an operational property in which a system remains accessible despite component failures or maintenance.

High availability means keeping a system accessible. In MongoDB, replica sets provide redundancy by storing identical data across multiple mongod processes. section 9.6

Atlas combines high availability with built-in security, automated backups, and scalability as part of its managed database offering. section 1.0

How MongoDB 8.0 in Action, Third Edition covers it

How deep it goes
Defines availability briefly and links it to replica-set redundancy, without detailing failover procedures.
Examples
Uses replica sets of mongod processes holding identical data as the concrete availability example.
What you can do after
Understand how replica-set redundancy supports high availability in MongoDB.
How it connects
Connects high availability with MongoDB Atlas, replica sets, and redundancy.

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This explainer was generated by Manning's knowledge graph from the text of MongoDB 8.0 in Action, Third Edition. The section links point to the parts of the book it draws on.