Chapter 3Riak
Anyone who has worked construction knows that rebar is a steel beam used to reinforce concrete. Just like Riak (“Ree-ahck”), you never use only one, but the multiple parts working together make the overall system durable. Each component is cheap and expendable, but when used right, it’s hard to find a simpler or stronger structure upon which to build a foundation.
Riak is a distributed key-value database where values can be anything—from plain text, JSON, or XML to images or video clips—all accessible through a simple HTTP interface. Whatever data you have, Riak can store it.
Riak is also fault-tolerant. Servers can go up or down at any moment with no single point of failure. Your cluster continues humming along as servers ...
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