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Cookpad and Microservices
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taiki45
December 18, 2014
Programming
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Cookpad and Microservices
at 第1回 えびスタ! ~ 恵比寿スタートアップ勉強会 ~
http://ebista.connpass.com/event/10258/
taiki45
December 18, 2014
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Transcript
Cookpad and Microservices Why and how we move to Microservices
architecture style
Taiki Ono • @taiki45 • Joined Cookpad at 2014/3 •
Dev-Infra group • Working with service integration related things and Web API
Sponsored by
Hi, we are Cookpad
None
over 50M users/month over 1.8M recipes
Not only recipe site…
None
None
None
You can see more products!
To make everyday cooking fun.
Why Microservices?
• Environment changes • Limit of Monolithic
• Environment changes • Limit of Monolithic
Our business changes
User agent changes
• Environment changes • Limit of Monolithic
A huge Rails app +----------------------+-------+-------+---------+---------+-----+-------+ | Name | Lines |
LOC | Classes | Methods | M/C | LOC/M | +----------------------+-------+-------+---------+---------+-----+-------+ | Controllers | 46173 | 37194 | 493 | 3754 | 7 | 7 | | Helpers | 14251 | 11687 | 13 | 1367 | 105 | 6 | | Models | 10153 | 7799 | 319 | 1152 | 3 | 4 | | Mailers | 402 | 326 | 16 | 35 | 2 | 7 | | Javascripts | 40217 | 34405 | 36 | 4940 | 137 | 4 | | Libraries | 2341 | 1833 | 112 | 252 | 2 | 5 | | Async_view specs | 247 | 212 | 0 | 0 | 0 | 0 | | Controller specs | 58856 | 48671 | 7 | 121 | 17 | 400 | | Feature specs | 40886 | 33590 | 0 | 196 | 0 | 169 | | Helper specs | 4151 | 3396 | 1 | 10 | 10 | 337 | | Lib specs | 22537 | 18817 | 27 | 128 | 4 | 145 | | Mailer specs | 421 | 346 | 0 | 0 | 0 | 0 | | Model specs | 71128 | 58668 | 4 | 70 | 17 | 836 | | Policy specs | 1487 | 1219 | 0 | 0 | 0 | 0 | | Request specs | 34595 | 29677 | 0 | 12 | 0 | 2471 | | Routing specs | 661 | 533 | 0 | 0 | 0 | 0 | | View specs | 619 | 508 | 0 | 2 | 0 | 252 | | Worker specs | 862 | 715 | 0 | 1 | 0 | 713 | +----------------------+-------+-------+---------+---------+-----+-------+ | Total | 349987 | 289596 | 1028 | 12040 | 11 | 22 | +----------------------+-------+-------+---------+---------+-----+-------+
Slow test issue
RRRSpec solved
Slow deployment
mamiya solved
and some difficulties like scaling, upgrading Rails, etc…
We can’t control our own application.
We've found Microservices while we were challenging these issues.
Microservices
–James Lewis & Martin Fowler “an approach to developing a
single application as a suite of small services” IUUQNBSUJOGPXMFSDPNBSUJDMFTNJDSPTFSWJDFTIUNM
Build around business capabilities
None
Own process and lightweight messaging
HTTP JSON REST
Decentralization and polyglot
Ruby + MySQL Go + Redshift Java + MySQL
Characteristics of Microservices • Build around business capabilities • Own
process and lightweight messaging • Decentralization and polyglot
We can handle our own application, by paying cost of
complexity as a whole.
In Cookpad What we did?
Published service data
Garage Garage Garage Rails app
Garage and garage-client • RESTful hyper-media API • JSON message
enveloped in HTTP • Implemented as a Rails extension • Standardized communication pattern
Solutions for product common problems
º
̋
Backend products • Auth server (OAuth2.0) • Personal information server
• Notification base • Video backend
Data synchronization between products
Pub-Sub Topic
Pub-Sub Topic
Ping • Pub-Sub pattern • Implemented as a Rails extension
• A thin wrapper of Amazon SNS and fluentd • Receive events via webhook
What we did are… • Published product data with Garage
• Built some backend products • Built Ping for data synchronization
We are challenging more problems around Microservices
Join us!! http://recruit.cookpad.com/