The Redis in-memory database implemented in Rust was released, and the performance exploded!

overview

Rudis is a high-performance in-memory database. Rudis is a project developed in Rust to leverage the benefits of Rust to re-implement the core functionality of Redis to meet user needs for high performance, reliability, and security, while maintaining compatibility with Redis APIs.

Get started quickly

• Splash screen

/\_____/\
    /  o   o  \          Rudis 0.0.1
   ( ==  ^  == )
    )         (          Bind: 127.0.0.1:6379
   (           )
  ( (  )   (  ) )        
 (__(__)___(__)__)
    
[2024-04-30T02:00:55Z INFO  rudis_server] Start loading appendfile
[=======================================] percent: 100% lines: 6/6 
[2024-04-30T02:00:55Z INFO  rudis_server] Server initialized
[2024-04-30T02:00:55Z INFO  rudis_server] Ready to accept connections           

• Debugging locally

// 普通启动
cargo run

// 带参启动
cargo run -- --port 8848

// 指定配置
cargo run -- rudis.properties

// 构建程序
cargo build

cargo build --release 

cargo build --release --target=x86_64-unknown-linux-musl           

Startup parameters

• port, default: 6379
• save RDB 保存策略, 默认：None
• password 密码, 默认：None
• databases Number of databases, default: 16
• appendfilename 持久化日志路径，默认：None
• appendonly 开启持久化，默认：false
• dbfilename 数据文件名，默认：dump.rdb
• maxclients 会话上限，默认 1000
• Hz Frequency of scheduled tasks, default 10 (times/sec)
• dir data persistence directory, default "./"
• bind to the host address

Operational commands

echo instruction

127.0.0.1:6379> echo helloword
helloword           

ping command

127.0.0.1:6379> ping
PONG           

set command

127.0.0.1:6379> set user bailiang
OK           

set command [expired]

127.0.0.1:6379> set user bailiang px 10000
OK
127.0.0.1:6379> set user bailiang ex 10
OK           

get 命令

127.0.0.1:6379> get user
bailiang           

from 命令

127.0.0.1:6379> del username
(integer) 1
127.0.0.1:6379> del username password
(integer) 2           

exists 命令

127.0.0.1:6379> exists user
(integer) 0           

keys 命令

127.0.0.1:6379> keys *
(empty list or set)           

auth command

127.0.0.1:6379> auth 123456
OK           

expire 命令

127.0.0.1:6379> expire user 10000
(integer) 0           

select 命令

127.0.0.1:6379> select 1
OK           

dbsize command

127.0.0.1:6379> dbsize
(integer) 2           

flushdb 命令

127.0.0.1:6379> flushdb
OK           

flushall 命令

127.0.0.1:6379> flushall
OK           

append 命令

127.0.0.1:6379> append user bailiang
(integer) 10           

move 命令

127.0.0.1:6379> move user 0
OK           

rename 命令

127.0.0.1:6379> rename username new_username
OK           

rpush 命令

127.0.0.1:6379> rpush key value1 value2
OK           

lpush command

127.0.0.1:6379> lpush key value3 value4
OK           

lion 命令

127.0.0.1:6379> llen key
(integer) 4           

A list of commands

Command	Delete	Appendfile	Test case	Document
set	✅	✅	✅	✅
get	✅	⚪	✅	✅
of the	✅	✅	✅	✅
echo	✅	⚪	⚪	⛔
flushdb	✅	✅	⛔	⛔
flushall	✅	✅	⛔	⛔
dbsize	✅	⚪	⛔	⛔
Auth	✅	⚪	⛔	⛔
select	✅	✅	⛔	⛔
curtain	✅	⚪	✅	⛔
exists	✅	⚪	✅	⛔
expire	✅	✅	✅	⛔
rename	✅	✅	✅	⛔
move	✅	✅	⛔	⛔
lpush	✅	✅	✅	⛔
rpush	✅	✅	✅	⛔
append	✅	✅	✅	⛔
incr	✅	✅	⛔	⛔
decr	✅	✅	⛔	⛔
lindex	✅	⚪	✅	⛔
LPoP	✅	✅	⛔	⛔
rpop	✅	✅	⛔	⛔
lrange	✅	⚪	⛔	⛔
ttl	✅	⚪	⛔	⛔
pttl	✅	⚪	⛔	⛔
type	✅	⚪	⛔	⛔
Sadd	✅	✅	✅	⛔
smembers	✅	⚪	✅	⛔
scard	✅	⚪	✅	⛔
hmset	✅	✅	✅	⛔
hget	✅	⚪	✅	⛔
hdel	✅	✅	✅	⛔
hexists	✅	⚪	✅	⛔
hset	✅	✅	✅	⛔
keys	✅	⚪	✅	⛔
zadd	✅	✅	⛔	⛔
zscore	✅	⚪	⛔	⛔
zcard	✅	⚪	⛔	⛔
zcount	✅	⚪	⛔	⛔
pexpires	✅	⚪	⛔	⛔
mset	✅	✅	⛔	⛔

Performance testing

• percent: 100% lines: 100000/100000 time: 00:00:04
• percent: 100% lines: 200000/200000 time: 00:00:09
• percent: 100% lines: 400000/400000 time: 00:00:19