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RailsClub 2016
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Kir Shatrov
October 22, 2016
Programming
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RailsClub 2016
Kir Shatrov
October 22, 2016
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Transcript
Monolithic Rails: deal with it Railsclub 2016 Kir Shatrov
Kir Shatrov Developer acceleration @ Shopify " Rails, Capistrano, RubyBench
None
Developer acceleration team
Rails Ruby Developer Tools
None
git clone … brew install postgres brew install redis bundle
install rake db:create
git clone … brew install postgres brew install redis bundle
install rake db:create где-то тут ломается nokogiri
git clone … brew install postgres brew install redis rake
db:create vagrant up
VM creation is slow VM has to be updated every
week from Chef Development in VM is slower VM file system has limitations for frontend stuff
None
The xhyve hypervisor is a port of bhyve to OS
X. It is built on top of Hypervisor.framework in OS X 10.10 Yosemite and higher, runs entirely in userspace, and has no other dependencies.
None
install Homebrew packages provision language and dependencies ruby, node, go
create and prepare database setup Git hooks
git clone … brew install postgres brew install redis rake
db:create dev up
None
Detect dangerous patterns ☠
Detect dangerous patterns changing existing migrations adding new gems changing
application configuration
None
⚓ CI ⚓
50 000
None
None
None
None
None
None
⚰ Rails upgrade
1. Make your application boot (fix gem conflicts) 2. Setup
two Gemfiles and two CI statuses 3. Fix failings tests 4. Deploy to 10% of nodes
None
None
None
1. Make your application boot (fix gem conflicts) 2. Setup
two Gemfiles and two CI statuses 3. Fix failings tests 4. Deploy to 10% of nodes
None
1. Make your application boot (fix gem conflicts) 2. Setup
two Gemfiles and two CI statuses 3. Fix failings tests 4. Gradually deploy
⏱ Application boot ⏱
$ rails new railsclub --skip-spring $ time bundle exec rails
runner "puts 1+1" 2 0.64s user 0.09s system 24% cpu 2.969 total
require 'activerecord' require '/Users/kir/Projects/shopify/vendor/bundle/gems/ activerecord-4.2.7.1/lib/activerecord.rb'
github.com/byroot/bootscale
Rails hacks
block any external calls from inside database transaction instrument Net::HTTP
by host lint database migrations circuit breaker
continuous improvements share as many tools as possible make people
happy
shopify.com/careers
@kirs @kirshatrov Спасибо!