Akshay Birajdar the-spectator

For years, people have been using jemalloc with ruby. There were various benchmarks and discussions. Legend had it that Jemalloc 5 didn't work as well as Jemalloc 3.

Then, one day, hope appeared on the horizon. @wjordan offered a config for Jemalloc 5.

Ubuntu/Debian

FROM ruby:3.1.2-bullseye
RUN apt-get update ; \

	Aws.config.update({
	region: 'eu-west-1',
	access_key_id: ENV['ACCESS_KEY_ID'],
	secret_access_key: ENV['SECRET_ACCESS_KEY']
	})

	s3 = Aws::S3::Resource.new

	bucket = s3.bucket("files")

	require "bundler/inline"
	gemfile(true) do
	source "https://rubygems.org"
	gem "rails", "~> 7.2"
	gem "pg"
	end

	require "active_record"
	require "logger"

	camelot-py==0.11.0
	cffi==1.16.0
	chardet==5.2.0
	charset-normalizer==3.3.2
	click==8.1.7
	cryptography==42.0.5
	et-xmlfile==1.1.0
	ghostscript==0.7
	numpy==1.26.4
	opencv-python==4.9.0.80

	desc 'Find routes that will raise a routing error when requested'
	task unroutable_routes: :environment do
	# A lot of this code was taken from how `rake routes` works
	# https://github.com/rails/rails/blob/f95c0b7e96eb36bc3efc0c5beffbb9e84ea664e4/railties/lib/rails/commands/routes/routes_command.rb

	require 'action_dispatch/routing/inspector'

	unroutables = Rails.application.routes.routes.
	map { \|r\| ActionDispatch::Routing::RouteWrapper.new(r) }.
	reject { \|r\| r.internal? \|\| r.engine? \|\| r.path.starts_with?('/rails/') \|\| !r.controller }.

	# Nginx can serve FLV/MP4 files by pseudo-streaming way without any specific media-server software.
	# To do the custom build we use 2 modules: --with-http_secure_link_module --with-http_flv_module
	# This module "secure-link" helps you to protect links from stealing away.
	#
	# NOTE: see more details at coderwall: http://coderwall.com/p/3hksyg

	cd /usr/src
	wget http://nginx.org/download/nginx-1.5.13.tar.gz
	tar xzvf ./nginx-1.5.13.tar.gz && rm -f ./nginx-1.5.13.tar.gz

	class LRUCache
	attr_reader :lookup, :size

	def initialize(size)
	@lookup = {}
	@size = size
	end

	def get(key)
	return unless lookup[key]

	# Input service to return array of array [ ["Team A", "Team B", "win"] ]
	class DummyData
	def initialize
	@data = <<~INPUT
	Team B;Team C;win
	Team A;Team D;draw
	Team A;Team B;win
	Team D;Team C;loss
	Team C;Team A;loss
	Team B;Team D;win

	class User
	STATUSES = [:active, :pending]

	attr_accessor :status

	def initialize(status = :pending)
	@status = status
	end

	STATUSES.each do \|value\|

	# Example 1: Solution
	# Assuming Address is polymorphic, filtering results by addressable_type = 'User' will only
	# give result for user addresses. #present? returns false for nil & "" (empty string) hence
	# filtering with not condition.
	def get_addresses
	Address.where(addressable_type: 'User').
	where.not(city: [nil, ""]).
	to_a
	end