Open Network Live - MySQL

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  • Open Network Live - MySQL

    1. 1. @kirai www.twinavi.jp
    2. 2. Mysql Cassandra
    3. 3. 106.000.000 Twitter.com Mysql
    4. 4. 2009 • 1358%
    5. 5. SNS RDBMS • SNS • N X N relationships, social graph
    6. 6. Mysql • Self Join • 106.000.000 X 106.000.000 = ??? • Tweets Alter Table.... •
    7. 7. FlockDB • DBMS Social Graph • Distributed • Twitter • Open Source • http://github.com/twitter/flockdb
    8. 8. Cassandra • Facebook • MapReduce Distributed storage solution • • Apache Open Source Level 1 project • http://cassandra.apache.org
    9. 9. Mysql Cassandra Mysql Requests STEP .-Cassandra Request STEP 2.- Log STEP 3.- Cassan STEP 4.- STEP1 dra
    10. 10. Mysql Cassandra Mysql Requests STEP .-Cassandra Request STEP 2.- Log STEP 3.- Cassan STEP 4.- STEP1 dra
    11. 11. Twitter.com Request Flow FlockDb Gizzard Mysql 106.00 0.000 Apache Rails Load Memcac mod_prox (Unicor Balancers hed y n) Cassan dra Kestrel
    12. 12. Twitter.com Request Flow FlockDb Gizzard 106.00 0.000 Apache Rails Load Memcac Cassan mod_prox (Unicor Balancers hed dra y n) Kestrel
    13. 13. http://dev.twitter.com/ status
    14. 14. http://twitter.com/about/ opensource

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