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| require 'bundler/inline' | |
| gemfile do | |
| source 'https://rubygems.org' | |
| gem 'curb' | |
| gem 'benchmark-ips' | |
| gem 'oj' | |
| gem 'red-parquet' | |
| gem 'rover-df' | |
| end | |
| require 'benchmark' | |
| require 'curb' | |
| require 'oj' | |
| require 'parquet' | |
| require 'rover' | |
| def get(query) | |
| # Connect to demo db from Clickhouse Inc | |
| # https://play.clickhouse.com/ for details | |
| Curl.get( | |
| 'https://play-api.clickhouse.com:8443', | |
| query: query, | |
| user: 'playground', | |
| password: 'clickhouse', | |
| database: 'datasets' | |
| ).body_str | |
| end | |
| [1000, 10_000, 100_000].each do |limit| | |
| sql = "SELECT WatchID as watch FROM hits_v1 LIMIT #{limit}" | |
| parquet_body = get("#{sql} FORMAT Parquet") | |
| json_body = get("#{sql} FORMAT JSON") | |
| arrow = Arrow::Table.load(Arrow::Buffer.try_convert(parquet_body), format: :parquet) | |
| rover = Rover::DataFrame.new(arrow.each_column.map { |x| [x.field.name, x.data.values] }.to_h) | |
| json = Oj.load(json_body) | |
| p "Amount of items in dataset: #{limit}" | |
| p "Parsing" | |
| Benchmark.ips do |x| | |
| x.report('Arrow') { Arrow::Table.load(Arrow::Buffer.try_convert(parquet_body), format: :parquet) } | |
| x.report('Rover') { Rover::DataFrame.new(arrow.each_column.map { |x| [x.field.name, x.data.values] }.to_h) } | |
| x.report('Json') { Oj.load(json_body) } | |
| x.compare! | |
| end | |
| p "Uniq counting" | |
| Benchmark.ips do |x| | |
| x.report('Arrow') { arrow['watch'].data.values.uniq.count } | |
| x.report('Rover') { rover['watch'].uniq.count } | |
| x.report('Json') { json['data'].map { |x| x['watch'] }.uniq.count } | |
| x.compare! | |
| end | |
| p "Sum counting" | |
| Benchmark.ips do |x| | |
| x.report('Arrow') { arrow['watch'].data.values.sum } | |
| x.report('Rover') { rover['watch'].sum } | |
| x.report('Json') { json['data'].map { |x| x['watch'].to_i }.sum } | |
| x.compare! | |
| end | |
| end |
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