What is data replication?

When data is stored on a server and there is a server crash, there is a chance that the data will be lost. To avoid this, the technique of data replication is used. The data is stored on two or more servers instead of a single server. That way, if a server goes down, data is not lost since it is available on the other server. Also, the application does not crash because the other server can cater to the user requests. Another benefit of data replication is that it can reduce the load on the servers because the user requests can be load balanced to the servers instead of sending it to a single server.

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