Simple script to benchmark MongoDB using Ruby (Related article: https://medium.com/@hartator/mongodb-4-2-vs-4-0-3-6-3-4-and-3-2-benchmarks-ee96a09ef231)

simple-script-benchmark-mongodb.rb

require 'mongo'
require 'digest'
require 'benchmark'

Mongo::Logger.logger.level = Logger::WARN
client = Mongo::Client.new('mongodb://127.0.0.1:27017/test')

sleep 1

puts "Insert"
puts Benchmark.measure {
  100_000.times do |index|
    client[:users].insert_one(name: Digest::MD5.hexdigest(index.to_s))
  end
}
puts

sleep 1

puts "Read"
puts Benchmark.measure {
  100.times do
    client[:users].find({}).to_a
  end
}
puts

sleep 1

puts "Delete"
puts Benchmark.measure {
  client[:users].delete_many({})
}
puts