Slide 13
Slide 13 text
DBͷਫฏׂʢShardingʣͱ
13
user_id orb
10001 100
10002 200
10003 300
10004 400
10005 500
10006 600
10007 700
user_id orb
10001 100
10005 500
user_id orb
10002 200
10006 600
user_id orb
10003 300
10007 700
user_id orb
10004 400
• 4ׂͷྫ
• shard_key Λݩʹׂ
• modulo(༨)
• auto_increment id ͕ར༻Ͱ͖
ͳ͍ͷͰࣗલͰ࠾൪
orbs_id_seq
10007
࠾൪