526互联

[Design-Data-Intensive-Application] Scalability

发布时间 2023-09-19 11:02:28作者: ylxn

1 scale up

  • better cpu
  • better sever

2 scale out

 

Weibo / post / user / follow

1)  post

  • select post from posts join users on p.send_id = u.id join follows on f.id = u.id where cur_id = f.followee.id (read)

 

  • celebrity -> wirte posts to every follower

 

throw put. (requests / per second )

response time . (client)

latency  (sever)