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Build High Performance
    Weibo Platform
        @TimYang
Background

• Weibo introduction
 • 140 Chinese characters
 • With photo/video/comments/repost
    chain
Agenda
3        4




2        1
Part 1
(   )
MySQL


•
•
MySQL

•    id hash

•
•              user_timeline index
MySQL

•
•
    •
    •     5
MySQL + cache

•
•
•
NoSQL?
•
    • Redis
    • MongoDB
•
    • Cassandra
    • HBase
• MongoDB
• Redis
• HBase
• Cassandra
Redis

• snapshot/vm/cache disk/aof
• string/hash/list
• Replication
•
•
•
•   list/set   (optional)
Data Structure


•
• RDBMS => JSON key value => binary
• DB
• JSON/XML
• Binary
JSON

• DB
• Cache
• Message Queue
• API
Binary Data Structure

• Numeric: varint, from 1 byte
•
•          Java, C++, Python...

•
Data Structure
Case Study

• 500
 •
 •
• MySQL
• NoSQL
•
Part 2
?
•
• RAM
• Timeline,
 • e.g. “ 5        ”
   comments_timeline
1001   1002     1003     1004   1005

       One Data Center



1002   1001     1004     1003   1005

              Region 1

1001   1003     1002     1004   1005

              Region 2
Part 3
app
•
    •
    • spam
•
•
Part 4
•
•
•
Timeline




           Memcached   MySQL


            Redis
Q&A


   @TimYang
http://timyang.net/

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