Tencent"s qq generally consumes points when fighting landlords. His qq coins are usually stored in memory.
in addition, he also has recharged qq coins, if stored in memory, how to ensure that after each successful recharge, the currency of memory will be relatively increased?
is his user data finally landed on db?
must have landed on db, or how to persist it. That's what you got from rmb. It's fun to have a power outage in memory.
it's just recharge, consumption points, which are not necessarily stored in DB after each operation.
you may use other technologies to delay putting them into the database, as long as you ensure the final consistency of the database
Previous: How to debug worker threads created using js links dynamically generated by blob?
Next: Response data cannot be obtained after a successful Vue axios post request
1. Number of users: about 5w 2. Business requirements: 5 3. Problems encountered: mysql redis ...
suppose that the order is confirmed and then pushed to the remote server, and the API limits it to 70 times per minute. It thinks of the following solutions: 1. Each click will request an API, wait for the result to return and verify the result. Probl...
in the implementation of panic buying second kill function under high concurrency, I have a question, that is, the problem of data storage, when to store it. idea: 1. Judging that he snapped up successfully, he immediately wrote the generated order da...