What's behind facebook

1. What’s behind
facebook
A Jen

2. • font-end
o HipHop
o BigPipe
• back-end outline
o Thrift
o Scribe
o Tornado
• data persistence
• other

3. font-end
Linux & Apache
PHP + HipHop
BigPipe

4. HipHop
• PHP complier developed by Facebook.
• Convert PHP code to C ++.
• Compiled by gcc.
• CPU usage recudes 50%.
• Git Hub

5. BigPipe
• It’s a fundamental redesign of the dynamic web.
page serving system.
• Decomposing web pages into 「pagelets」.
• Implemented by ONLY PHP + JavaScript!
• Link

6. back-end
Thrift
Scribe
Tornado

7. Thrift
• Cross-language services development.
• Code generation engine.
• Sample Code
definition file thrift complier source code

8. Scribe
• Distributed Loggin System.
• git hub

9. Tornado
• Web Server written by python.
• For real-time web services
• non-blocking web service.
• git hub
• show case
• link

10. data persistence
MySQL
Hive + Hadoop + Hbase + HDFS
Memcache
Haystack

11. MySQL
• It’s still backbon of database infra.
• How ?
o Learn more : link
o facebook patches

12. Hive + hadoop + Hbase +
HDFS
Hive
hadoop
Hbase
HDFS

13. Memcache
• Distributed memory object caching system
• MySQL Cache
• General purpose cache
• Link

14. Haystack
• Efficient storage of billions of photos.
• Reducing Disk I/O.
• Components
o Haystack Diretory
o Haystack Store
o Haystack Cache
• Link

15. Other
• Chat
o Epoll Server using Erlang
o Accessed using thrift
• Message Search
o Inverted index stored in HBase

16. Thank you
A Jen