Redis-LevelDB

A redis-protocol compatible frontend to google's leveldb: Use leveldb as a Redis-Server.

Current Version: 1.6

Redis COMMAND Supported

• key-value commands:

  • incr/incrby
  • get/set
  • mget/mset

• set commands(New):

  • sadd
  • srem
  • scard
  • smembers
  • sismemeber

• hash commands(New):

  • hget
  • hset
  • hsetnx
  • hdel
  • hexists
  • hgetall
  • hkeys
  • hvals
  • hlen

• list commands(New):

  • lpush
  • lpop
  • rpush
  • rpop
  • llen

• transaction commands:

  • multi
  • exec
  • discard

• connection commands:

  • select: select db (when redis-leveldb run in multi-db mode, with argument -M <num>)

• server commands:

  • shutdown: shutdown the server

  • keys: list all keys in current db, do NOT use it in production environment

  • info: Different to redis, this info command accepts a flag argument, eg info, info k, info t, info kt

    • default: show leveldb.stat info
    • k: show the count of all keys
    • t: show leveldb.sstables info

Dependencies

1. libev(>=1.4):

   install with apt-get or port please.

2. gmp(http://gmplib.org/):

   install with apt-get or other package manager please.

3. leveldb:

1. git clone https://github.com/KDr2/redis-leveldb.git
2. cd redis-leveldb
3. git submodule init
4. git submodule update

Compile

[LIBEV=LIBEV_PREFIX GMP=GMP_PREFIX DEBUG=1] make

Run

./redis-leveldb -h

options:

• -d: run redis-level as a daemon process
• -r <db-path>: repair a leveldb database
• -H <host-ip>: host addr to listen on(eg: 127.0.0.1)
• -P <port>: port to listen on(default 8323)
• -D <data-dir>: leveldb data dir(default "redis.db" under your work directory)
• -M <number>: run in multi-db mode and set its db count to <number>, each db in the server is a separatly leveldb database and its data directory is a directory named db-<num> under the directory you specified with the option -D; you can use command select to switch db on the client side while redis-leveldb is running in this mode.