# File rbot/dbhash.rb, line 64
    def DBHash.create_db(name)
      debug "DBHash: creating empty db #{name}"
      return BDB::Hash.open name, nil, 
                             BDB::CREATE | BDB::EXCL | BDB::TRUNCATE,
                             0600, "set_pagesize" => 1024,
                             "set_cachesize" => [0, 32 * 1024, 0]
    end