From: "Sven C. Koehler" <schween@...>
Date: 2009-08-11T00:07:07+09:00
Subject: [ANN] Localmemcache-0.4.2: Improves append performance

I have noticed that Localmemcache can become extremely slow when
keeping a hash that has growing values.   It seems that the allocator
ends up with a ever growing list of unusable free blocks.  So version
0.4.2 is the first attempt to make this a little more efficient, mostly
by introducing the :min_alloc_size parameter.

Example pseudo append code:
  200_000.times {
     index = rand(10000).to_s
     v = $hash.get(r)
     $hash.set(r, "#{v}#{r}")
  }

Localmemcache 0.4.1:                           21961.375 ms
Localmemcache 0.4.2:                           19479.026 ms
Localmemcache 0.4.2 + :min_alloc_size => 1024:   863.839 ms
Ruby Hash of Strings:                            790.34  ms

Link to :min_alloc_size documentation:
  http://localmemcache.rubyforge.org/doc/classes/LocalMemCache.html#M000001

INSTALL
=======

# gem install localmemcache

CONTACT
=======

Please contact me with bugs, suggestions and patches at: schween + snafu # de

LINKS
=====

Localmemcache: http://localmemcache.rubyforge.org/
Rubyforge project: http://localmemcache.rubyforge.org/

Source code is hosted on github: http://github.com/sck/localmemcache/

Best,

Sven 

dd799ce53c5f56a02823a0ad816fd18c  localmemcache-0.4.2.gem
a006379e0be24eb2cf5ed60e163af4a2  localmemcache-0.4.2.tar.gz