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
480
Elixir GenStage & Flow
teamon
2
1k
Elixir - Bydgoszcz Web Development Meetup
teamon
2
840
Git - Monterail style
teamon
1
170
Rails Assets wroc_love.rb
teamon
1
720
Angular replacements for jQuery-based libraries
teamon
1
340
Angular replacements for jQuery-based libraries
teamon
2
310
Rails Assets LRUG
teamon
0
7.5k
Other Decks in Programming
See All in Programming
HTMLの品質ってなんだっけ? “HTMLクライテリア”の設計と実践
unachang113
4
2.4k
旅行プランAIエージェント開発の裏側
ippo012
2
880
アセットのコンパイルについて
ojun9
0
110
AIを活用し、今後に備えるための技術知識 / Basic Knowledge to Utilize AI
kishida
20
5.2k
🔨 小さなビルドシステムを作る
momeemt
3
670
モバイルアプリからWebへの横展開を加速した話_Claude_Code_実践術.pdf
kazuyasakamoto
0
310
オープンセミナー2025@広島LT技術ブログを続けるには
satoshi256kbyte
0
180
AIエージェント開発、DevOps and LLMOps
ymd65536
1
380
Testing Trophyは叫ばない
toms74209200
0
790
Zendeskのチケットを Amazon Bedrockで 解析した
ryokosuge
3
290
TanStack DB ~状態管理の新しい考え方~
bmthd
2
490
Vue・React マルチプロダクト開発を支える Vite
andpad
0
110
Featured
See All Featured
Intergalactic Javascript Robots from Outer Space
tanoku
272
27k
10 Git Anti Patterns You Should be Aware of
lemiorhan
PRO
656
61k
Balancing Empowerment & Direction
lara
3
610
Writing Fast Ruby
sferik
628
62k
Learning to Love Humans: Emotional Interface Design
aarron
273
40k
It's Worth the Effort
3n
187
28k
The Success of Rails: Ensuring Growth for the Next 100 Years
eileencodes
46
7.6k
Become a Pro
speakerdeck
PRO
29
5.5k
How to Ace a Technical Interview
jacobian
279
23k
Building Applications with DynamoDB
mza
96
6.6k
A designer walks into a library…
pauljervisheath
207
24k
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
8
910
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