ruby 2.0.0p402 (2014-02-11) [x86_64-linux] created 4194305 objects, consumed: 160 MB before gc: {:total_mem=>"2001", :used_mem=>"386", :free_mem=>"1615"} before gc: {:total_mem=>"2001", :used_mem=>"390", :free_mem=>"1611"} before gc: {:total_mem=>"2001", :used_mem=>"391", :free_mem=>"1610"} before gc: {:total_mem=>"2001", :used_mem=>"392", :free_mem=>"1609"} before gc: {:total_mem=>"2001", :used_m
