marionzualo

Verifying my Blockstack ID is secured with the address 1Guv1zdHDNNEEQytJr9kW4Dnbcv1bUg79F https://explorer.blockstack.org/address/1Guv1zdHDNNEEQytJr9kW4Dnbcv1bUg79F

marionzualo

# Welcome to my "arel gist"!
## It started hacky, then as an example, but we want it cleaner.

# ActiveRecord
## This is an ORM: you call Ruby methods and get Ruby objects, it makes SQL and object instantiations for you.
## It's Rails' default, but there are alternatives: https://github.com/Sdogruyol/awesome-ruby#orm
Student.all
Topic.first
Workshop.sum(:hours)

marionzualo

########################
# First example

def find_in_batches
  index = 0
  chunk_size = 2
  while batch = query_batch(index, chunk_size)
    return if batch.length == 0
    yield batch
    index += 1

marionzualo

require "fiber"

def find_in_batches_with_fiber
  Fiber.new do
    index = 0
    chunk_size = 2
    while batch = query_batch(index, chunk_size)
      break if batch.length == 0
      Fiber.yield batch
      index += 1

marionzualo

def complex_operation_in_background_with_recursion(batch_index = 0)
  chunk_size = 2
  batch = query_batch(batch_index, chunk_size)
  return if batch.length == 0

  process_batch(batch)
  complex_operation_in_background_with_recursion(batch_index + 1)
end

# Execution in the terminal

marionzualo

def process_batch(batch)
  p batch
end

# this method runs in a background job
def complex_operation_in_background
  find_in_batches do |batch|
    # the complex operation on the given batch
    process_batch(batch)
  end

marionzualo

def find_in_batches
  index = 0
  chunk_size = 2
  while batch = query_batch(index, chunk_size)
    return if batch.length == 0
    yield batch
    index += 1
  end
end

marionzualo

attachments: parent_id, asset_id
domain_names: organisation_id
event_memberships: user_id, event_id
events: editor_id
group_actions: user_id, group_id
groups: user_id
icons: parent_id
invitations: sender_id
legacy_actions: item_upon_id
news_items: author_id

marionzualo

Tools

Located in alphabetical order (not prefer)

• ab – slow and single threaded
• apib – most of the features of Apache Bench (ab), but is also intended as a more modern replacement
• boom – HTTP(S) load generator, ApacheBench (ab) replacement, written in Go
• curl-loader – performance loading of various application services and traffic generation
• gatling – High performance load testing framework based on Scala, Akka and Netty
• goad – Goad is an AWS Lambda powered, highly distributed, load testing tool

marionzualo

#!/usr/bin/env ruby

require 'ruby-jmeter'

test do

  defaults domain: 'beta.stevegrossi.com'

  cookies clear_each_iteration: true