As you will learn in this section, a replica set refers to three or more mongod instances hosting copies of the same databases. Although there are significant advantages to this arrangement, implementing a replica set incurs higher costs. Therefore, before you deploy a replica set, it's important to establish a solid business rationale. To start this discussion, let's have a look at what exactly a replica set is and what its potential benefits are.
Germany
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Canada
Brazil
Singapore
Hungary
Philippines
Mexico
Thailand
Ukraine
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Estonia
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Norway
Chile
United States
Great Britain
India
Spain
South Korea
Ecuador
Colombia
Taiwan
Switzerland
Indonesia
Cyprus
Denmark
Finland
Poland
Malta
Czechia
New Zealand
Austria
Turkey
France
Sweden
Italy
Egypt
Belgium
Portugal
Slovenia
Ireland
Romania
Greece
Argentina
Malaysia
South Africa
Netherlands
Bulgaria
Latvia
Australia
Japan
Russia