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SugarDB is a highly configurable, distributed, in-memory data store and cache implemented in Go.
It can be imported as a Go library or run as an independent service.
SugarDB aims to provide a rich set of data structures and functions for
manipulating data in memory. These data structures include, but are not limited to:
Lists, Sets, Sorted Sets, Hashes, and much more to come soon.
SugarDB provides a persistence layer for increased reliability. Both Append-Only files
and snapshots can be used to persist data in the disk for recovery in case of unexpected shutdowns.
Replication is a core feature of SugarDB and is implemented using the RAFT algorithm,
allowing you to create a fault-tolerant cluster of SugarDB nodes to improve reliability.
If you do not need a replication cluster, you can always run SugarDB
in standalone mode and have a fully capable single node.
SugarDB aims to not only be a server but to be importable to existing
projects to enhance them with SugarDB features, this
capability is always being worked on and improved.
Features
Features offered by SugarDB include:
TLS and mTLS support for multiple server and client RootCAs.
Replication cluster support using the RAFT algorithm.
ACL Layer for user Authentication and Authorization.
Distributed Pub/Sub functionality.
Sets, Sorted Sets, Hashes, Lists and more.
Persistence layer with Snapshots and Append-Only files.
Key Eviction Policies.
Command extension via shared object files.
Command extension via embedded API.
Command extension via Lua Modules.
Command extension via JavaScript Modules.
Multi-database support for key namespacing.
We are working hard to add more features to SugarDB to make it
much more powerful. Features in the roadmap include:
Sharding
Streams
Transactions
Bitmap
HyperLogLog
JSON
Improved Observability
Usage (Embedded)
Install SugarDB with: go get github.com/echovault/sugardb/sugardb.
Here's an example of using SugarDB as an embedded library.
You can access all of SugarDB's commands using an ergonomic API.
funcmain() {
server, err:=sugardb.NewSugarDB()
iferr!=nil {
log.Fatal(err)
}
_, _, _=server.Set("key", "Hello, SugarDB!", sugardb.SETOptions{})
v, _:=server.Get("key")
fmt.Println(v) // Hello, SugarDB!// (Optional): Listen for TCP connections on this SugarDB instance.server.Start()
}
An embedded SugarDB instance can still be part of a cluster, and the changes triggered
from the API will be consistent across the cluster.
Usage (Client-Server)
Homebrew
To install via homebrew, run:
brew tap echovault/sugardb
brew install echovault/echovault/sugardb
Once installed, you can run the server with the following command:
sugardb --bind-addr=localhost --data-dir="path/to/persistence/directory"
