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PikiwiDB

中文

A C++20 implementation of Redis Server, use RocksDB for persist storage.(not including cluster yet)

Requirements

  • Linux or OS X or FreeBSD

Compile

It is recommended to use the latest version of Ubuntu or Debian for Linux systems

Execute compilation

Execute the following commands on Rocky Linux:

sudo dnf groupinstall -y 'Development Tools'
sudo dnf install cmake g++ autoconf perl -y
git config --global http.version HTTP/1.1

Execute this command to start compiling Pikiwidb:

./etc/script/build.sh

Pikiwidb is compiled by default in release mode, which does not support debugging. If debugging is needed, compile in debug mode.

./etc/script/build.sh --clear
./etc/script/build.sh --debug

Run

./bin/pikiwidb ./etc/conf/pikiwidb.conf

Support module for write your own extensions

PikiwiDB supports module now, still in progress, much work to do. I added three commands(ldel, skeys, hgets) for demonstration.

Persistence: Not limited to memory

RocksDB can be configured as backend for PikiwiDB.

Fully compatible with redis

You can test PikiwiDB with redis-cli, redis-benchmark, or use redis as master with PikiwiDB as slave or conversely, it also can work with redis sentinel.

High Performance

  • PikiwiDB is approximately 20-25% faster than redis if run benchmark with pipeline requests(set -P = 50 or higher).
  • Average 80K requests per seconds for write, and 90K requests per seconds for read.
  • Before run test, please ensure that std::list::size() is O(1), obey the C++11 standards.

Run this command, compare with redis use pipeline commands, try it.

./redis-benchmark -q -n 1000000 -P 50 -c 50

Command List

show all supported commands list

  • cmdlist

key commands

  • type exists del expire pexpire expireat pexpireat ttl pttl persist move keys randomkey rename renamenx scan sort

server commands

  • select dbsize bgsave save lastsave flushdb flushall client debug shutdown bgrewriteaof ping echo info monitor auth

string commands

  • set get getrange setrange getset append bitcount bitop getbit setbit incr incrby incrbyfloat decr decrby mget mset msetnx setnx setex psetex strlen

list commands

  • lpush rpush lpushx rpushx lpop rpop lindex llen lset ltrim lrange linsert lrem rpoplpush blpop brpop brpoplpush

hash commands

  • hget hmget hgetall hset hsetnx hmset hlen hexists hkeys hvals hdel hincrby hincrbyfloat hscan hstrlen

set commands

  • sadd scard srem sismember smembers sdiff sdiffstore sinter sinterstore sunion sunionstore smove spop srandmember sscan

sorted set commands

  • zadd zcard zrank zrevrank zrem zincrby zscore zrange zrevrange zrangebyscore zrevrangebyscore zremrangebyrank zremrangebyscore zpopmin zpopmax zunionstore zinterstore

pubsub commands

  • subscribe unsubscribe publish psubscribe punsubscribe pubsub

multi commands

  • watch unwatch multi exec discard

replication commands

  • sync slaveof

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