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Flickr : Web Services Cal Henderson
What is Flickr? ,[object Object],[object Object],[object Object],[object Object]
What the heck are ‘Web Services’? ,[object Object],[object Object]
Web services in a nutshell Server Business Logic Interface Client Interface UI Transport
Web services in a nutshell Server Business Logic Interface Client Interface UI Transport Web Server Web Browser HTTP
Web services in a nutshell Server Business Logic Interface Client Interface UI Transport Web Server Application XML-RPC
Web services in a nutshell Server Business Logic Interface Client Interface UI Transport Web Server Java Programmers SOAP
Why should I care? ,[object Object],[object Object]
Web services Server Business Logic Interface Web Browsers HTTP Interface Interface Email Clients Email Web Apps REST Clients
Web services Server Business Logic Interface Web Browsers HTTP Interface Interface Email Clients Email Web Apps REST Clients People get very excited about this part
Ok, I get that bit ,[object Object],[object Object]
Flickr’s Logical Architecture Page Logic Business/Application Logic Database Photo Storage API Logic Endpoints Templates Users 3 rd Party Apps Flickr Apps Node Service Flickr .com Email Parser
Flickr’s Physical Architecture Web Servers Database Servers Node Servers Static Servers Users Metadata Servers
But seriously… ,[object Object],[object Object]
PHP is at the core of Flickr Page Logic Business/Application Logic Database Photo Storage API Logic Endpoints Templates Users 3 rd Party Apps Flickr Apps Node Service Flickr .com Email Parser
Ok, ok – what besides PHP? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Medium sized application ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Thinking outside the web app ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
More services ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Even more services ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
APIs are simple! ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
XML isn’t simple :( ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Creating API methods ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Red-Hot Unicode Action ,[object Object],[object Object],[object Object]
 
Unicode for all ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Scaling the beast ,[object Object],[object Object],[object Object],[object Object]
But first… ,[object Object],[object Object],[object Object],[object Object]
Why PHP is great ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
A MySQL Scaling Haiku ,[object Object],[object Object],[object Object]
MySQL Replication ,[object Object],[object Object],[object Object]
Looking at usage ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Replication is really cool ,[object Object],[object Object],[object Object]
Searching ,[object Object],[object Object],[object Object],[object Object]
FULLTEXT Indexes ,[object Object],[object Object],[object Object],[object Object]
But wait! ,[object Object],[object Object],[object Object],[object Object],[object Object]
JOIN’s are slow ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Our current setup Slave Farm DB1 Master IUD’s SELECT’s Search Slave Farm Search SELECT’s DB3 Main Search slave DB2 Main Slave
Our current, current setup Main Cluster Aux Cluster Search Cluster Slave Farm DB1 Master IUD’s SELECT’s Search Slave Farm Search SELECT’s DB3 Main Search slave DB2 Main Slave Slave Farm DB4 Master IUD’s SELECT’s DB5 Main Slave
Horizontal scaling ,[object Object],[object Object],[object Object],[object Object],[object Object]
Talking to the Node Service ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Still talking to the Node Service ,[object Object],[object Object],[object Object],[object Object]
RSS / Atom / RDF ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Receiving email ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Processing email ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Upload via FTP ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Blogs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
It’s all broken ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Back to those APIs ,[object Object],[object Object],[object Object],[object Object]
Flickr Rainbow
Tag Wallpaper
iPhoto Plugin ,[object Object],[object Object],[object Object],[object Object],[object Object]
Flickr Carnivore ,[object Object],[object Object],[object Object],[object Object],[object Object]
Flickr Tivo ,[object Object],[object Object],[object Object]
So what next? ,[object Object],[object Object],[object Object],[object Object],[object Object]
Flickr : Web Services Cal Henderson
These slides are online http://ludicorp.com/flickr/
Any Questions?

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Flickr Services

  • 1. Flickr : Web Services Cal Henderson
  • 2.
  • 3.
  • 4. Web services in a nutshell Server Business Logic Interface Client Interface UI Transport
  • 5. Web services in a nutshell Server Business Logic Interface Client Interface UI Transport Web Server Web Browser HTTP
  • 6. Web services in a nutshell Server Business Logic Interface Client Interface UI Transport Web Server Application XML-RPC
  • 7. Web services in a nutshell Server Business Logic Interface Client Interface UI Transport Web Server Java Programmers SOAP
  • 8.
  • 9. Web services Server Business Logic Interface Web Browsers HTTP Interface Interface Email Clients Email Web Apps REST Clients
  • 10. Web services Server Business Logic Interface Web Browsers HTTP Interface Interface Email Clients Email Web Apps REST Clients People get very excited about this part
  • 11.
  • 12. Flickr’s Logical Architecture Page Logic Business/Application Logic Database Photo Storage API Logic Endpoints Templates Users 3 rd Party Apps Flickr Apps Node Service Flickr .com Email Parser
  • 13. Flickr’s Physical Architecture Web Servers Database Servers Node Servers Static Servers Users Metadata Servers
  • 14.
  • 15. PHP is at the core of Flickr Page Logic Business/Application Logic Database Photo Storage API Logic Endpoints Templates Users 3 rd Party Apps Flickr Apps Node Service Flickr .com Email Parser
  • 16.
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  • 18.
  • 19.
  • 20.
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  • 37.
  • 38. Our current setup Slave Farm DB1 Master IUD’s SELECT’s Search Slave Farm Search SELECT’s DB3 Main Search slave DB2 Main Slave
  • 39. Our current, current setup Main Cluster Aux Cluster Search Cluster Slave Farm DB1 Master IUD’s SELECT’s Search Slave Farm Search SELECT’s DB3 Main Search slave DB2 Main Slave Slave Farm DB4 Master IUD’s SELECT’s DB5 Main Slave
  • 40.
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  • 45.
  • 46.
  • 47.
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  • 52.
  • 53.
  • 54.
  • 55.
  • 56. Flickr : Web Services Cal Henderson
  • 57. These slides are online http://ludicorp.com/flickr/