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https://github.com/rqlite/rqlite

The lightweight, user-friendly, distributed relational database built on SQLite.
https://github.com/rqlite/rqlite

consensus database distributed-database distributed-systems go raft relational-database sql sqlite

Last synced: 10 days ago
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The lightweight, user-friendly, distributed relational database built on SQLite.

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 rqlite logo



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[**rqlite**](https://rqlite.io) is a [feature-rich](https://rqlite.io/docs/features/), [rock](https://www.sqlite.org/testing.html)-[solid](https://philipotoole.com/how-is-rqlite-tested/), fault-tolerant, distributed relational database built on [SQLite](https://www.sqlite.org/). It's **lightweight**, **developer-friendly**, and **exceptionally easy to operate**, offering effortless installation and deployment.



Use rqlite to reliably store your most important data, ensuring it's always available to your applications -- think [etcd](https://etcd.io/), but with relational modeling available. Whether you're deploying **resilient services in the cloud** or **reliable applications at the edge**, rqlite provides a robust solution for critical data.



Website ·

Slack



## Quick Start

[_Check out the full Quick Start guide_](https://rqlite.io/docs/quick-start/)



**1. Run a rqlite node:**

```bash

docker run -p 4001:4001 rqlite/rqlite

```



**2. Create a table and insert a row:**

```bash

curl -XPOST 'localhost:4001/db/execute?pretty' -H 'Content-Type: application/json' -d '[

     "CREATE TABLE foo (id INTEGER NOT NULL PRIMARY KEY, name TEXT)",

     "INSERT INTO foo(id, name) VALUES(1, \"fiona\")"

]'

```



**3. Query the data:**

```bash

curl -G 'localhost:4001/db/query?pretty' --data-urlencode 'q=SELECT * FROM foo'

```



[Learn how to form a multi-node cluster in seconds.](https://rqlite.io/docs/clustering/) and dive into the [_Developer Guide_](https://www.rqlite.io/docs/api).



## Key features



**Core functionality**

- **Relational**: Full SQL support via SQLite, including [Full-text search](https://www.sqlite.org/fts5.html), [JSON support](https://www.sqlite.org/json1.html), and more.

- **Extensible**: [Load SQLite extensions](https://rqlite.io/docs/guides/extensions/) to add capabilities like [Vector Search](https://github.com/asg017/sqlite-vec) and [Crypto](https://github.com/nalgeon/sqlean).

- **Atomic Requests**: Execute multiple SQL statements atomically within a single API request.

- **Change Data Capture**: [Stream database changes](https://rqlite.io/docs/guides/cdc/) to an external system.



**Easy operations**

- **Easy Deployment**: A single binary with no external dependencies. Up and running in seconds.

- **High Availability**: Fully replicated database provides fault-tolerance. Outage of a node doesn't impact the cluster.

- **Dynamic Clustering**: Automatic [clustering](https://rqlite.io/docs/clustering/) via [Kubernetes](https://rqlite.io/docs/guides/kubernetes/), [Docker Compose](https://rqlite.io/docs/guides/docker-compose/), Consul, etcd, or DNS.

- **Effortless Backups**: Hot [backups](https://rqlite.io/docs/guides/backup/), including [automatic backups to AWS S3, MinIO, and Google Cloud](https://rqlite.io/docs/guides/backup/#automatic-backups), as well as [restore directly from SQLite](https://rqlite.io/docs/guides/backup/#restoring-from-sqlite) and [Cloud-based storage](https://rqlite.io/docs/guides/backup/#restoring-from-cloud-storage).



**Developer experience**

- **Simple APIs**: Easy-to-use [HTTP API](https://rqlite.io/docs/api/). A [CLI](https://rqlite.io/docs/cli/) and [client libraries](https://rqlite.io/docs/api/client-libraries/) are also available.

- **Robust Security**: [End-to-end encryption with TLS](https://rqlite.io/docs/guides/security/) and rich authentication/authorization controls.

- **Tunable Consistency**: Customize [read consistency](https://rqlite.io/docs/api/read-consistency/) and [durability](https://rqlite.io/docs/api/queued-writes/) to match your application's needs.



## More questions?

- [Join the rqlite Slack channel](https://rqlite.io/join-slack)

- [Sign up for Office Hours](https://rqlite.io/office-hours)



## Pronunciation

Common pronunciations of rqlite include "R Q lite" and "ree-qwell-lite".