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Design of the multi live architecture in different places of the king glory mall

2022-07-21 18:52:00 【InfoQ】

One 、 Business classification

The core business ： Sign in 、 Recharge （ balance ）、 Purchase goods .

Two 、 data classification

Sign in : 

adopt  QQ  And wechat account authorization login , According to the only ID Get the corresponding zone service , Select regional service , Get current ID+ Data under the District Service

Recharge coupons :

user  ID  Globally unique   You can't change
User balance   Global strong consistency , Ensure that there are no inconsistencies in balances
Recharge record  ID  Generated by algorithm , Globally unique

Purchase goods :

Commodity information ： Every time I add , Globally unique , Rarely change , goods ID Generated by algorithm , Globally unique
Purchase order ： Every time an order is created , Order  ID  Globally unique , Algorithm to generate , Goods in order  ID, user  ID  Not modify

3、 ... and 、 Data synchronization

Sign in : 

RoleID Associated with the corresponding regional service , Not modify

Recharge coupons :

The global consistency of user balance adopts database synchronization, and the recharge of balance can only be charged to the current home server

Purchase goods :

Goods do not need to be in stock , There is no need to synchronize inventory , You can store the product information in the cache
Purchase goods , According to the uniqueness and versatility of the commodity , Adopt database strong consistent synchronization

Four 、 exception handling

Sign in : 

If QQ And wechat cannot authorize , Prompt the user to try again later

Recharge coupons :

System downtime during recharge , According to the recharge result, let the user choose to pay again or cancel this recharge

Purchase goods :

System downtime during purchase , Let users buy again

5、 ... and 、 Schematic diagram of King glory remote multi live Architecture

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