看 KKBOX 怎麼走通知這條路 @ COSCUP 2018

Transcript

1. This presentation is provided on a strictly private and confidential

   basis for information purposes only. 看 KKBOX 怎麼走 通知中心這條路 presented by Hash Lin 2018/08/02

2. Who am I • KKBOX Product Platform Develop Devision(PPDD) Programmer

   • Full-Stack Programmer • Love Community, PHP, Open Source

3. Agenda • What’s Notification Center • How we use Notification

   Center • Case study

4. What’s Notification Center • Announcement • New Release • Listen-with

   Artist online • Subscritpion • Billing Announcement • ...

5. Notification Center history • MySQL • more… more… more… ◦

   Kind of message ◦ Users ◦ Faster

6. Why Redis • Flexible Data Structure • Some powerful command

   ◦ INCR ◦ ZADD ◦ LPUSH ◦ ZREVRANGE ◦ … • Twitter

7. Data Structure

8. Redis Replication Structure

9. Monitor

10. Monitor

11. Case 1. Read after write problem • Do not use

    different connection when write/get the same key (Singleton) • write key ‘hash’ in master • read key ‘hash’ in slave • I can’t get key ‘hash’ in slave Orz...

12. Case 2. Failover bandwidth problem

13. Conclusion • What’s Notification Center • How we use Notification

    Center • Case study

14. Contact me • hashman @ Github • Hash Lin @

    Facebook • hashmanlin@kkbox.com