From: Daniel Berger <djberg96@...>
Date: 2007-04-28T04:30:04+09:00
Subject: Re: Net::LDAP vs ruby/ldap

On Apr 27, 1:07 pm, dacat <fda...@gmail.com> wrote:
> The basic premise of this test was to see how long it would take to do
> the following:
>
> 1000 Basic lookups on a known attribute/value pair over an unencrypted
> connection using anonymous bind for each library.
>
> This post is for informational purposes, I knew the NET::LDAP lib
> would be slower but I wanted to see by how much.
> {if you are new to ruby, the reason it is slower is because its a TRUE
> ruby implementation of the LDAP rfc. while on the other hand the ruby/
> ldap lib is a C front end to the openldap library}
>
> Bottom line is -- I just figured i would share.
> Code:
> ----------------
> require 'benchmark'
> include Benchmark
>
> LOOP_COUNT = 1000
> require 'ldap'
> require 'net/ldap'
>
> HOST = 'somehost.com'
> S_ATTR = 'some attribute that exists that can be lookedup'
> S_VAL  = 'a value for the attribute that iss valid'
> TREE_BASE = 'a valid base ex. o=com'
>
> class LdapTest
>
> def net_ldap_test
>   ldap = Net::LDAP.new :host => HOST, :port => 389
>   filter = Net::LDAP::Filter.eq( S_ATTR, S_VAL )
>   ldap.search( :base =>TREE_BASE, :filter => filter ) do |entry|
>     a=entry.dn
>   end
>   nil
> end
>
> def ldap_test
>   conn = LDAP::Conn.new(HOST, LDAP::LDAP_PORT)
>   filter = "(#{S_ATTR}=#{S_VAL})"
>   conn.search(TREE_BASE, LDAP::LDAP_SCOPE_SUBTREE, filter) do |entry|
>     a=entry.dn
>   end
>   nil
> end
>
> ldap_test=LdapTest.new
>
> Benchmark.bm(15) do |x|
>   x.report("NET::LDAP:")   { for i in 1..LOOP_COUNT;
> ldap_test.net_ldap_test; end }
>   x.report("ruby-ldap") { for i in 1..LOOP_COUNT   ;
> ldap_test.ldap_test; end }
> end
> end
> ===============================================================
>
> My results.
>                      user     system      total        real
> NET::LDAP:       7.150000   0.580000   7.730000 ( 19.494588)
> ruby-ldap        0.210000   0.120000   0.330000 ( 11.853484)
>
> ruby/ldap :http://ruby-ldap.sourceforge.net/
> net::ldap :http://rubyforge.org/projects/net-ldap/
>
> ruby --version
> ruby 1.8.6 (2007-03-13 patchlevel 0) [i686-linux]

While it's interesting, I'm afraid I have to stick with net-ldap. The
problem with ruby-ldap is that it segfaults in conjunction with
WEBrick, as I know all too well.

Regards,

Dan