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Posted on 9/12/2019 6:02:10 PM | | |
Twitter's distributed snowflake algorithm, SnowFlake, automatically generates 260,000 sortable IDs per second
1. Twitter's SnowFlake generation ID can be generated in an orderly manner according to time
2. The result of the id generated by the SnowFlake algorithm is a 64-bit integer
3. Duplicate IDs will not be generated in the distributed system (datacenterId and machineId are used to distinguish them)
datacenterId (distributed) (service ID 1,2,3.....) Write dead in each service
machineId (for clusters) reads the environment variable MACHINEID of the machine, which is different for each server when deployed







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