RDBI memory leak

rdbi-memleak.rb

require 'rdbi'                                                                                                          
require 'rdbi-driver-postgresql'                                                                                        
                                                                                                                        
dbh = RDBI.connect(:PostgreSQL, host: 'localhost', database: 'any_database', username: 'someusername')            
while 1 < 2                                                                                                             
  puts `ps aux | grep #{Process.pid} | grep -v grep`                                                                    
  1000.times do                                                                                                         
    dbh.execute "SELECT 1"                                                                                              
  end                                                                                                                   
end  

puts `ps -o user,pid,%cpu,%mem,vsize,rss,comm #{$$}` # grep?  what's that? :)