java - 请问大家在应用服务器集群下如何生成全局唯一且递增的流水号?

Question

请问大家在应用服务器集群下如何生成全局唯一且递增的流水号?

Answer 1

If it is not incremented, there is a solution based on machine code differentiation.

It is to automatically or manually assign a globally unique machine ID to each server, using the "machine ID + local unique auto-increment" method to complete.

But this does not meet the requirements of the topic.

Another solution is to set up a server to complete the serial number service: serially generate a globally unique and incremental serial number.

Answer 2

If it is a server cluster, the database should be the same, so the above problem does not necessarily exist. Please also ask the author to describe the problem carefully.

Answer 3

redis incr