Build socialsiteinruby

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This document discusses building social media applications in Ruby using MongoDB for social data storage and streaming. Key points covered include using MongoDB for its flexibility and scalability compared to relational databases, introducing MongoDB and its schema-free and document-based data model, and exploring options for object document mappers (ODMs), streaming social data using APIs and AMQP/RabbitMQ, testing, background workers, and other tools.

things to cover

What’s social world going on?

Social data storage in MongoDB

Streaming social data with MQ

Others worthy to mention

Categories

Social Network

Social Community Management

Social Monitoring/Measurement

success

radian6: twitter $1,500/M + bandwidth cost

iWOMcooperator: Sina weibo RMB20,000/M

TweetDeck

SocialBro

dev platforms

graph.facebook.com

dev.twitter.com

- documentations
- endpoints, request and response examples
- tools for developers

Social Data
id: "209664525731998_247270968638020"
from:
name: "Vanessa Tam"
id: "100000116574145"
to:
data:
-
name: "The House of Dancing Water"
category: "Arts/entertainment/nightlife"
id: "209664525731998"
message: "La=)"
actions:
-
name: "Comment"
link: "http://www.facebook.com/209664525731998/posts/247270968638020"
-
name: "Like"
link: "http://www.facebook.com/209664525731998/posts/247270968638020"
type: "status"
created_time: "2011-08-17T15:02:55+0000"
updated_time: "2011-08-17T15:44:36+0000"
likes:
data:
-
name: "Phoebe Lee"
id: "100002673212002"
count: 199
comments:
data:
-
id: "209664525731998_247270968638020_3569720"
from:
name: "The House of Dancing Water"
category: "Arts/entertainment/nightlife"
id: "209664525731998"
message: "Welcome!"
created_time: "2011-08-17T15:44:11+0000"
-
id: "209664525731998_247270968638020_3569724"
from:
name: "Vanessa Tam"
id: "100000116574145"
message: "okok"
created_time: "2011-08-17T15:44:32+0000"
-
id: "209664525731998_247270968638020_3569725"
from:
name: "Vanessa Tam"
id: "100000116574145"
message: "=)"
created_time: "2011-08-17T15:44:36+0000"
count: 3

Why not RDBMS

Scalability
- Horizontally
Flexibility
- Scheme change

Comparison...
Key-Value
Scalibility & Performance Memcached MongoDB RDBMS

Depth of Functionality

Intro to MongoDB

Schema Free

Document Base

High Performance

JSON Style Storage: BSON

Dynamic Query

a lot of more...

Flexibility:

- Schema Free
- Database setting: replication, secondary DB
- Model: data type, collection, _id, associations
- Lazy Cursor
e.g. rubyconftw = RubyConf.where(:location=>“Taiwan”) #cursor created

puts rubyconftw.entries #cursor executed

more...

Capped Collection

- logs, messages
- ﬁxed after being created
... ...

ODM
MongoMapper

MongoRecord

Mongoid

- Rails 3
- Active Record Style
- Ruby Driver

not good at...

SQL-base tool (BI)

High Transactional Operations

Streaming

Twitter

Sina Weibo

Stream has...

Twitter Stream API

Streaming API: UserID, Keyword, geo-
Location

User Stream: User Level

Site Stream: Application Level

What’s wrong...
Unstable Trafﬁc

- online time
- irregular events
Data Lost

- updated response
- invalid response

AMQP & RabbitMQ
AMQP: reliable safe

RabbitMQ: A leading AMQP implementation

ﬁt into streaming
publishing, subscription

cool at...

No worries?

Testing
Web Access

fakeweb

API endpoint URL & response

Hoptoad / Airbrake

notify you exceptions

>= direct email notiﬁcation

background workers

stalker

resque: redis-base

delayed_jobs: assign different queues to
different workers?

Things to checkout...
MongoDB:http://www.mongodb.org/

Mongoid:http://mongoid.org/

EventMachine:http://rubyeventmachine.com/

Twitter Stream Plugins:
http://rubygems.org/gems/twitterstream

rabbitMQ:http://www.rabbitmq.com/getstarted.html

Hoptoad:https://github.com/thoughtbot/hoptoad_notiﬁer

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Build socialsiteinruby

1. Building Social Media Sites in Ruby

2. Who am I

3. things to cover What’s social world going on? Social data storage in MongoDB Streaming social data with MQ Others worthy to mention

4. Trends Facebook, Fan Page Twitter, Promoted Topics/Accounts Media Agency: Brand Website -> Social

5. Categories Social Network Social Community Management Social Monitoring/Measurement

6. success radian6: twitter $1,500/M + bandwidth cost iWOMcooperator: Sina weibo RMB20,000/M TweetDeck SocialBro

7. dev platforms graph.facebook.com dev.twitter.com - documentations - endpoints, request and response examples - tools for developers

8. Social Data id: "209664525731998_247270968638020" from: name: "Vanessa Tam" id: "100000116574145" to: data: - name: "The House of Dancing Water" category: "Arts/entertainment/nightlife" id: "209664525731998" message: "La=)" actions: - name: "Comment" link: "http://www.facebook.com/209664525731998/posts/247270968638020" - name: "Like" link: "http://www.facebook.com/209664525731998/posts/247270968638020" type: "status" created_time: "2011-08-17T15:02:55+0000" updated_time: "2011-08-17T15:44:36+0000" likes: data: - name: "Phoebe Lee" id: "100002673212002" count: 199 comments: data: - id: "209664525731998_247270968638020_3569720" from: name: "The House of Dancing Water" category: "Arts/entertainment/nightlife" id: "209664525731998" message: "Welcome!" created_time: "2011-08-17T15:44:11+0000" - id: "209664525731998_247270968638020_3569724" from: name: "Vanessa Tam" id: "100000116574145" message: "okok" created_time: "2011-08-17T15:44:32+0000" - id: "209664525731998_247270968638020_3569725" from: name: "Vanessa Tam" id: "100000116574145" message: "=)" created_time: "2011-08-17T15:44:36+0000" count: 3

9. Why not RDBMS Scalability - Horizontally Flexibility - Scheme change

10. Comparison... Key-Value Scalibility & Performance Memcached MongoDB RDBMS Depth of Functionality

11. Intro to MongoDB Schema Free Document Base High Performance JSON Style Storage: BSON Dynamic Query

12. a lot of more... Flexibility: - Schema Free - Database setting: replication, secondary DB - Model: data type, collection, _id, associations - Lazy Cursor e.g. rubyconftw = RubyConf.where(:location=>“Taiwan”) #cursor created puts rubyconftw.entries #cursor executed

13. more... Capped Collection - logs, messages - ﬁxed after being created ... ...

14. ODM MongoMapper MongoRecord Mongoid - Rails 3 - Active Record Style - Ruby Driver

15. not good at... SQL-base tool (BI) High Transactional Operations

16. Streaming Twitter Sina Weibo Stream has...

17. Twitter Stream API Streaming API: UserID, Keyword, geo- Location User Stream: User Level Site Stream: Application Level

18. What’s wrong... Unstable Trafﬁc - online time - irregular events Data Lost - updated response - invalid response

19. AMQP & RabbitMQ AMQP: reliable safe RabbitMQ: A leading AMQP implementation

20. ﬁt into streaming publishing, subscription cool at... No worries?

21. Testing Web Access fakeweb API endpoint URL & response

22. Hoptoad / Airbrake notify you exceptions >= direct email notiﬁcation

23. background workers stalker resque: redis-base delayed_jobs: assign different queues to different workers?

24. Things to checkout... MongoDB:http://www.mongodb.org/ Mongoid:http://mongoid.org/ EventMachine:http://rubyeventmachine.com/ Twitter Stream Plugins: http://rubygems.org/gems/twitterstream rabbitMQ:http://www.rabbitmq.com/getstarted.html Hoptoad:https://github.com/thoughtbot/hoptoad_notiﬁer

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