tkrzw

Fast Persistent KeyValue Storage. Wrapper for Tkrzw

Installation

Add this to your application's shard.yml:

dependencies:
  tkrzw:
    github: kostya/tkrzw

Usage

require "tkrzw"

db = Tkrzw::DB.new("1.tkh")
db.set("bla", "jo")

p db.get("bla")
p db.get("bla2")

db.each do |k, v|
  p k, v
end

db.close

Compare with LevelDB and KyotoCabinet

test	Tkrzw	LevelDB	KyotoCabinet
2 mln set	1.22s	3.95s	1.66s
2 mln get	0.96s	2.43s	1.22s
iterate over all records	1.19s	0.34s	0.73s
db size	65Mb	21Mb	83Mb
memory used	72.2Mb	97.1Mb	70.4Mb