2011/10/08_Playframework_GAE_to_Heroku

Play! + GAE Play! + Heroku @hagikuratakeshi

• ( )Twitter @hagikuratakeshi•

• ( )•(Aws Management Console )• Hadoop

BookShelfs•http://books-share.appspot.com/

BookShelfs•••( BookShelves)

BookShelfs•Play!(Java) + GAE + Siena• Amazon API• Twitter4j

Play! ?•Java••@ikeike443

GAE ?••Play! GAE Module •> play install gae•PaaS

Siena ?•GAE Datastore O/R•Play! Module •> play install siena•Playframework GAE/ Siena

※ DisGAE

••$8/ • SpinUp Always On ($0.30/ ) ( 3Instance )

••$180/

Heroku•Ruby PaaS (Java, Clojure, Node.js )•Play! !!•No vendor lock in !!• (Small Start )

Heroku

GAE, Siena

•$ heroku login•$ git init•$ git add .•$ git commit -m init•$ heroku create --stack cedar•$ git push heroku master

•http://bookshelfs-siena- local.herokuapp.com/

•Siena GAE →Heroku Deploy

��

→Siena Model

Heroku PostgreSQL

JPAmodels

Siena 2.0 GAE MySQL/PostgreSQL/Hbase��

Siena/PostgreSQL

1•Model List →

2•Model User -> Account PostgreSQL User Table

GAE Module•GAE Module •Task Queue (Tweet Queueing) • com.google.appengine.api.datastore.Blob •

KVS -> RDB•GAE BigTable -> PostgreSQL → → KVS → RDB →

KVS•Book Accountid account id name101 A01 A01 User1102 A01 A02 User2

(1/2)• Book id account name 101 A01 User1 102 A01 User1

(2/2) • Java@Overridepublic JsonElement serialize(Book book, Type type) { Account owner = Account.findById(book.ownerUserId); result.add("owner", gson.toJsonTree(owner));}

RDB• →•RDB -> KVS → join SQL

•BookShelfs Java → BigTable ( KVS) →

DB Index (1/3)•GAE ﬁlter, order Query Index -> deploy → datastore-indexes-auto.xml

DB Index (2/3) List<Borrow> borrows = Borrow.all().filter("borrowerUserId",userId) .filter("status ", BookStatus.RETURNED) .order("-createdAt") .fetch(); Index

DB Index (3/3)•Siena PostgreSQL Index annotation Index → Index ? → (fullscan, sort)

Heroku$ git commit$ git push heroku master

•http://bookshelfs- postgres.herokuapp.com/

HerokuGAE

GAE Datastore CSV URL:http://d.hatena.ne.jp/eller/20110103

Heroku PostgreSQL•$ heroku db:push → DB push sqlite PostgreSQL CSV

GAE → Heroku

Deploy••GAE -> $ play gae:deploy•Heroku -> $ git push heroku master (git )

•Heroku (2011/11 ) •GAE -> $180 (BookShelfs ) •Heroku -> $0 $15 (Shared Database )

•Heroku SpinUp →Amazon Ec2 Instance•DB

HerokuAddon

MongoDB Hosting Addon

MongoDB Module Play! → Morphia

Morphiapackage models;import play.data.validation.Email;import play.data.validation.Required;import play.modules.morphia.Model; Morphia Modelimport play.modules.morphia.Blob;import com.google.code.morphia.annotations.Entity;@Entitypublic class User extends Model { @Email @Required public String email; @Required public String password;

Model→Siena

Siena MongoDB PersistenceManager��

Siena 2.0

Sienaapplication.confMongo PersistenceManager ↓play.modules.siena.SienaPlugin

application.confdb=mongodbsiena.mongodb.hostnames=dbh55.mongolab.com:27557siena.mongodb.databaseName=heroku_appxxxxxxxxsiena.mongodb.userName=heroku_appxxxxxxxsiena.mongodb.password=xxxxxxxxxxxxx

•http://bookshelfs- mongo.herokuapp.com/

MongoDB

DB Siena-MongoDB Merge→

•2011/11 Heroku PostgreSQL or MongoDB• OpenSource•Siena-MongoDB Merge

•No vendor lock in →Siena PostgreSQL•Play! + Heroku

• GAE ( URL • http://books-share.appspot.com/• Heroku • Siena-GAE(Ec2 ) • http://bookshelfs-siena-local.herokuapp.com/ • Siena-PostgreSQL • http://bookshelfs-postgres.herokuapp.com/ • Siena-MongoDB ( ) • http://bookshelfs-mongo.herokuapp.com/

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2011/10/08_Playframework_GAE_to_Heroku

by hagikuratakeshi

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