test.rb

# playing with search ...

require_relative '../rerunner/rerunner.rb'

require 'maxminddb'
require 'ipaddr'

# $LOAD_PATH.unshift('/home/sam/Source/memory_profiler/lib')
require 'memory_profiler'


@rand = Random.new(123456)

ips = (0..100).map do
  IPAddr.new(@rand.rand(2**32), Socket::AF_INET).to_s
end

countries = []
dbs = []

MemoryProfiler.report do
  db = MaxMindDB.new('./GeoLite2-City.mmdb', MaxMindDB::LOW_MEMORY_FILE_READER)
  dbs << db
  ips.each do |ip|
    countries << db.lookup(ip).country
  end
end.pretty_print(detailed_report: false, retained_strings: 0, allocated_strings: 0)

MemoryProfiler.report do
  db = MaxMindDB.new('./GeoLite2-City.mmdb')
  dbs << db
  ips.each do |ip|
    countries << db.lookup(ip).country
  end
end.pretty_print(detailed_report: false, retained_strings: 0, allocated_strings: 0)


# Total allocated: 5178841 bytes (118759 objects)
# Total retained:  121235 bytes (2115 objects)
#
# Total allocated: 62659823 bytes (118756 objects)
# Total retained:  57733098 bytes (2112 objects)