Generating Unique Identifiers Based on Timestamps inDistributed Applications
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We build applications that must process very high numbers of events with minimum latency. Generating unique IDs for these events using the traditional method of UUIDs introduces an unacceptable time overhead into our applications, so an alternative approach is needed.
I recently wrote an article on how timestamps can be used as unique identifiers, as they are much cheaper to generate than other methods of generating unique identifiers, taking a fraction of a microsecond.
Guaranteeing uniqueness when using timestamps at nanosecond granularity is straightforward on a single system. However, providing the same guarantee in a distributed application where functionality is...
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