______ _                     _  ____      __
 |  ____(_)                   | |/ /\ \    / /
 | |__   _ _ __   ___ __ _ ___| ' /  \ \  / / 
 |  __| | | '_ \ / __/ _` / __|  <    \ \/ /  
 | |    | | | | | (_| (_| \__ \ . \    \  /   
 |_|    |_|_| |_|\___\__,_|___/_|\_\    \/

Description

A distributed Key/Value storage based on Bitcask storage model, compatible with RESP protocol.

How To Run

1. clone

git clone https://github.com/WyRainBow/cocoKV.git

2. mod tidy

cd cocoKV && go mod tidy

3. run

make build && ./bin/coco [--conf confPath] [--port portValue]

Raft Consistency Test

Node1

┌─[coco@coco-PC] - [~] - [Thu Feb 06, 11:59]
└─[$] <> redis-cli -p 8911
127.0.0.1:8911> cluster init node1 127.0.0.1:7000
OK
127.0.0.1:8911> cluster join node2 127.0.0.1:7001
OK
127.0.0.1:8911> set a bc
OK
127.0.0.1:8911> 

Node2

┌─[coco@coco-PC] - [~] - [Thu Feb 06, 11:59]
└─[$] <> redis-cli -p 8912
127.0.0.1:8912> cluster init node2 127.0.0.1:7001
OK
127.0.0.1:8912> cluster info
127.0.0.1:8912> get a
bc
127.0.0.1:8912> 

TODO

• Storage(Bitcask)
  • Basic Bitcask
  • Async Write
  • Merge Ticker
  • Multi-Type-MemIndex
    • BTree
    • SkipList
    • SwissTable
  • ShardMemIndex
  • MemCache(implement LRUCache only)
  • Use BloomFilter
• DB
  • Put With TTL
  • Batch Operation
  • Redis DataStructure
    • String
    • List
    • Hash
    • Set
    • ZSet
  • CocoKV DB
• Network (Based on CloudWeGo Netpoll)
  • TCP Conn
  • Basic RESP Protocol
  • Server
  • Stats Record
  • Handle For Redis DataStructure
    • String
    • List
    • Hash
    • Set
    • ZSet
• Raft (Based on hashicorp/raft)
  • FSM
  • Raft Node
  • Command Apply
    • String
    • List
    • Hash
    • Set
    • ZSet
  • Server Handle
    • INIT
    • JOIN
    • INFO
  • Forward Write Operation To Leader