Thoughts on Database Sharding from Dare Obasanjo

Some interesting thoughts on database sharding from Dare Obasanjo.

Database sharding is the process of splitting up a database across multiple machines to improve the scalability of an application. The justification for database sharding is that after a certain scale point it is cheaper and more feasible to scale a site horizontally by adding more machines than to grow it vertically by adding beefier servers.

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