Redis-Leveldb
Table of Contents
1. Introduction
Redis-LevelDB is a redis-protocol compatible frontend to google's leveldb: Use leveldb as a Redis-Server.
You can get it from https://github.com/KDr2/redis-leveldb.
2. Redis COMMAND Supported
2.1. key-value commands:
- incr/incrby
- get/set
- mget/mset
2.2. hash commands(New):
- hget
- hset
- hsetnx
- hdel
- hexists
- hgetall
- hkeys
- hvals
- hlen
2.3. set commands(New):
- sadd
- srem
- scard
- smembers
- sismemeber
2.4. transaction commands:
- multi
- exec
- discard
2.5. connection commans:
- select: select db (when redis-leveldb run in multi-db mode, with
argument
-M <num>)
2.6. server commands:
- keys
- 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
3. Dependencies
- libev(>=1.4): install with apt-get or port please.
- gmp(http://gmplib.org/): install with apt-get or port please.
- libsnappy
- leveldb:
- git clone git://github.com/KDr2/redis-leveldb.git
- cd redis-leveldb
- git submodule init
- git submodule update
4. Compile
[LIBEV=LIBEV_PREFIX GMP=GMP_PREFIX DEBUG=1] make
5. Run
./redis-leveldb -h
5.1. options:
- -d: run redis-level as a daemon process
- -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 commandselectto switch db on the client side while redis-leveldb is running in this mode.
6. Test Suite
- dependencies: perl5(>=v5.10) with Redis.pm
- run test:
make test
7. Known Issues
- issue 13: signle data package size limitation.
8. Bug Report
- on github : https://github.com/KDr2/redis-leveldb
- email me : zhuo.dev📧gmail.com
- comment this page.
9. Discuss and Comment
Have few questions or feedback? Feel free to send me(killian.zhuo📧gmail.com) an email!