roadmap.md

Roadmap

This document defines the roadmap for Pegasus.

API

• Rich APIs for single key access: set, get, del, exist, TTL
• Batch APIs for multiple range keys access within a hashkey
• Async APIs
• Java Client
• Scan operator within hashkey & across hashkey
• Native clients for other programming languages
• RESTful API
• Redis API support
• Quota
• Transactions across hashkeys
• Distributed SQL

Replica Server

• PacificA consensus algorithm
• Fast learning process for learners
• Rocksdb storage engine
• Raft consensus algorithm
• Partition split

Meta Server

• Table management: create/drop/recall
• Persistence of meta data to zookeeper
• Load balancer according to replica count & replica distribution on disks of nodes
• Load balancer according to replica size & capacity & rw load
• Persistence of meta data by raft consensus

Data Security

• Replication across data center
• Cold backup based on snapshots

Admin Tools

• Command line tool
• Rich metrics for monitoring
• Web admin