Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Sidekiq
Search
Tymon Tobolski
July 01, 2015
Programming
1
150
Sidekiq
Tymon Tobolski
July 01, 2015
Tweet
Share
More Decks by Tymon Tobolski
See All by Tymon Tobolski
Only possible with Elixir - ubots Case Study
teamon
0
240
Fun with Elixir Macros
teamon
1
470
Elixir GenStage & Flow
teamon
2
1k
Elixir - Bydgoszcz Web Development Meetup
teamon
2
820
Git - Monterail style
teamon
1
170
Rails Assets wroc_love.rb
teamon
1
720
Angular replacements for jQuery-based libraries
teamon
1
330
Angular replacements for jQuery-based libraries
teamon
2
310
Rails Assets LRUG
teamon
0
7.5k
Other Decks in Programming
See All in Programming
Jakarta EE Meets AI
ivargrimstad
0
390
Android 16KBページサイズ対応をはじめからていねいに
mine2424
0
740
SwiftでMCPサーバーを作ろう!
giginet
PRO
2
210
状態遷移図を書こう / Sequence Chart vs State Diagram
orgachem
PRO
3
300
Quality Gates in the Age of Agentic Coding
helmedeiros
PRO
1
110
型で語るカタ
irof
1
850
The Modern View Layer Rails Deserves: A Vision For 2025 And Beyond @ RailsConf 2025, Philadelphia, PA
marcoroth
2
830
AIに安心して任せるためにTypeScriptで一意な型を作ろう
arfes0e2b3c
0
270
バイブスあるコーディングで ~PHP~ 便利ツールをつくるプラクティス
uzulla
1
300
AI コーディングエージェントの時代へ:JetBrains が描く開発の未来
masaruhr
2
220
階層化自動テストで開発に機動力を
ickx
1
440
React は次の10年を生き残れるか:3つのトレンドから考える
oukayuka
40
15k
Featured
See All Featured
Dealing with People You Can't Stand - Big Design 2015
cassininazir
367
26k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
138
34k
Making Projects Easy
brettharned
117
6.3k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
PRO
181
54k
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
eileencodes
26
2.9k
The Cost Of JavaScript in 2023
addyosmani
51
8.7k
Let's Do A Bunch of Simple Stuff to Make Websites Faster
chriscoyier
507
140k
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
jcasabona
33
2.4k
Into the Great Unknown - MozCon
thekraken
40
1.9k
How to train your dragon (web standard)
notwaldorf
96
6.1k
Optimizing for Happiness
mojombo
379
70k
The MySQL Ecosystem @ GitHub 2015
samlambert
251
13k
Transcript
SIDEKIQ BACKGROUND JOBS IN RUBY © Tymon Tobolski, 2015
WHAT & WHY © Tymon Tobolski, 2015
class CommentsController < ApplicationController def create @comment = @post.comments.create!(comment_params) Notifications.notify_commenters(@comment)
head :ok end end © Tymon Tobolski, 2015
class Notifications def self.notify_commenters(comment) comment.post.comments_authors.each do |user| send_email_about_new_comment(user, comment) end
end end © Tymon Tobolski, 2015
SYNCHRONOUS DELIVERY class CommentsController < ApplicationController def create @comment =
@post.comments.create!(comment_params) # T = 10ms Notifications.notify_commenters(@comment) # T = 100.000ms, boom, timeout! head :ok end end class Notifications def self.notify_commenters(comment) comment.post.comments_authors.each do |user| send_email_about_new_comment(user, comment) # T += 1000ms end end end © Tymon Tobolski, 2015
ASYNCHRONOUS DELIVERY class CommentsController < ApplicationController def create @comment =
@post.comments.create!(comment_params) # T = 10ms NotifyCommentersWorker.perform_async(@comment.id) # T = 11ms, \o/ head :ok end end class Notifications def self.notify_commenters(comment) comment.post.comments_authors.each do |user| send_email_about_new_comment(user, comment) # T += 1000ms still, but we don't care anymore end end end © Tymon Tobolski, 2015
SIDEKIQ WORKER # app/workers/notify_commenters_worker.rb class NotifyCommentersWorker include Sidekiq::Worker def perform(comment_id)
comment = Comment.find(comment_id) Notifications.notify_commenters(comment) end end © Tymon Tobolski, 2015
MAGIC? © Tymon Tobolski, 2015
REDIS © Tymon Tobolski, 2015
REDIS.IO Redis is an open source, BSD licensed, advanced key-value
cache and store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets, sorted sets, bitmaps and hyperloglogs, blah blah blah ... © Tymon Tobolski, 2015
REDIS.IO Redis is an open source, BSD licensed, advanced key-value
cache and store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets, sorted sets, bitmaps and hyperloglogs, blah blah blah ... © Tymon Tobolski, 2015
LIST IN REDIS WORLD ... is really a list and
an array and a stack and a queue © Tymon Tobolski, 2015
QUEUE FIFO - FIRST IN, FIRST OUT ACTION QUEUE STATUS
--------------------------- [] PUSH 1 [1] PUSH 2 [2,1] PUSH 3 [3,2,1] POP [3,2] PUSH 4 [4,3,2] POP [4,3] POP [4] © Tymon Tobolski, 2015
QUEUE FIFO - FIRST IN, FIRST OUT ACTION mylist CONTENT
-------------------------------- (nil) LPUSH mylist 1 [1] LPUSH mylist 2 [2,1] LPUSH mylist 3 [3,2,1] RPOP mylist [3,2] LPUSH mylist 4 [4,3,2] RPOP mylist [4,3] RPOP mylist [4] © Tymon Tobolski, 2015
FLOW © Tymon Tobolski, 2015
RULES Sidekiq Best Practices © Tymon Tobolski, 2015
ALWAYS USE IDS BAD: NotifyCommentersWorker.perform_async(@comment) GOOD: NotifyCommentersWorker.perform_async(@comment.id) Job arguments MUST
be serializable to JSON def perform(comment_id) comment = Comment.find(comment_id) # ... end © Tymon Tobolski, 2015
IDEMPOTENT AND TRANSACTIONAL JOBS Sidekiq will execute your job at
least once. def perform(...) # ... User.where(id: id1).update_all(["balance = balance + ?", amount]) User.where(id: id2).update_all(["balance = balance - ?", amount]) # ... end © Tymon Tobolski, 2015
IDEMPOTENT AND TRANSACTIONAL JOBS Sidekiq will execute your job at
least once. def perform(...) # ... ActiveRecord.transation do User.where(id: id1).update_all(["balance = balance + ?", amount]) User.where(id: id2).update_all(["balance = balance - ?", amount]) end # ... end © Tymon Tobolski, 2015
CONCURRENCY & PARALLELISM def process(...) User.find_each do |user| send_email_to(user) end
end © Tymon Tobolski, 2015
CONCURRENCY & PARALLELISM def process(...) User.select(:id).find_each do |user| SendEmailWorker.perform_async(user.id) end
end © Tymon Tobolski, 2015
FOREMAN / HEROKU # Procfile web: bin/rails server -p $PORT
worker: bin/sidekiq © Tymon Tobolski, 2015
SIDEKIQ WEB © Tymon Tobolski, 2015
SIDEKIQ WEB # Gemfile gem 'sinatra', :require => nil #
config/routes.rb require 'sidekiq/web' authenticate :user, lambda { |u| u.admin? } do mount Sidekiq::Web => '/sidekiq' end © Tymon Tobolski, 2015
QUESTIONS? © Tymon Tobolski, 2015