jredis

redis of java implemented,same as a redis server.

features

supported command list

1.set get
2.lpush rpush lrange blpop brpop llen
3.hset hget hgetall hscan
4.pub sub
5.select keys scan expire del
6.multi exec discard
7.incr incrby
....

CLI TOOL

support jedis,spring-data-redis,spring-boot-starter-redis
support redisDesktop management tool with v0.9+

architecture

only keys be used in RAM,the value is lazy load

evict policy

LRU algorithm

linear storage

1.based on jdk's MappedByteBuffer
2.fixed unit size ,head 4 byte write in last item position,
and then each item write in 4 byte with it bytes length and actually bytes.
3.key and value are seperated in storage

protocol

redis protocol

transport

based on netty 4

thread model

single worker

build server

cd jredis && mvn clean install

run server

jredis build in a springboot application,so easy to run like follow

java -jar jredis-{version}.jar