© Baji Shaik, Avinash Vallarapu 2018
Baji Shaik and Avinash VallarapuBeginning PostgreSQL on the Cloudhttps://doi.org/10.1007/978-1-4842-3447-1_9

9. Replication and High Availability on the Cloud

Baji Shaik1  and Avinash Vallarapu1
(1)
Hyderabad, Andhra Pradesh, India
 

In this chapter, we talk about the purpose of replicating data or databases and why we need high availability. Some cloud vendors provide replication for the disks of virtual machines or databases and some do not. Similarly, some vendors provide high availability of servers and database instances by default and some do not. We talk about replication and high availability for every cloud vendor in detail.

The Purpose of Replication and High Availability

High availability is represented ...

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