Run the example in the Go Playground →

go-maemmidb

A fast in-memory database for Go. A drop-in replacement for hashicorp/go-memdb, with the same package name and API. Its one dependency is its storage engine, go-juuri, which has none.

• Atomic transactions and snapshot isolation.
• Secondary indexes, range queries and watch channels.
• Typed queries and bitmap indexes for set operations.

Install

Requires Go 1.23 or later.

go get github.com/thevilledev/go-maemmidb

import memdb "github.com/thevilledev/go-maemmidb"

Coming from go-memdb? Change the import path and review the compatibility notes.

Documentation

Getting started · API reference · Guides

See benchmarks and downstream results for performance comparisons with go-memdb.

License

MPL-2.0. Derived from go-memdb; see NOTICE for attribution. An independent project, unaffiliated with HashiCorp or IBM.

Named after mämmi, a Finnish delicacy.