Building a highly-available search engine using SQLite

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2024-04-27 15:00:02

Did you know that SQLite contains a full text search engine? The SQLite FTS4 and FTS5 Extensions allow you to perform full-text searches on documents loaded into SQLite.

And since rqlite uses SQLite as its database engine, rqlite makes it really easy to deploy a highly-available search engine – and one you can interact with using SQL and HTTP.

rqlite is a lightweight, open-source distributed database that uses SQLite as its storage engine. It’s designed for easy setup, allowing you to create a cluster in seconds. Once clustered, rqlite can handle the failure of individual nodes without losing access to data, ensuring your system remains reliable and available when needed.

And because rqlite is built on SQLite, once you form a rqlite cluster, it’s means you’ve got a highly-available search engine too.

Let’s spin up a  3-node rqlite cluster — step-by-step directions for deploying this test cluster are available on GitHub.

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