BoJack

BoJack is a single-node key-value store written in Crystal.

History

The systems was started by Marcelo Boeira in 2016 as a learning vehicle for understanding NoSQL database systems.

Query Interface

Command-line / Shell

Bojack provides a standard command-line interface for starting the server and connecting clients.

Concurrency Control

Not Supported

BoJack does not provide any kind of concurrency control. Concurrent client requests are handled by the Crystal language's concurrent Channel class.

Logging

Command Logging

Bojack logs, in addition to errors, individual commands for any client action, along with the date and time of interaction, and the client's address and port. This includes anytime a client connects, or a key is set, updated, or deleted.

Storage Model

Custom

BoJack uses Crystal's default hash table to store its data as key-value pairs.

Stored Procedures

Not Supported

Indexes

Not Supported

Storage Architecture

In-Memory

Checkpoints

Not Supported

Foreign Keys

Not Supported

As BoJack is a key-value store, SQL joins are not supported.

Data Model

Key/Value

BoJack's data model relies on a key/value store which maps string keys to string array values.

System Architecture

Shared-Everything

Query Compilation

Not Supported

Storage Organization

Heaps

BoJack Logo
Website

https://github.com/marceloboeira/bojack

Source Code

https://github.com/marceloboeira/bojack

Developer

Marcelo Boeira

Country of Origin

DE

Start Year

2016

Project Type

Open Source

Written in

Crystal

Supported languages

Crystal, Elixir, Python, Ruby

Inspired By

Redis

Operating Systems

Linux

Licenses

MIT