Shame you're being downvoted. 2 billion is not that big a number and I found it ...

juliangregorian on July 24, 2015 | parent | context | favorite | on: Transaction ID Wraparound in Postgres

Shame you're being downvoted. 2 billion is not that big a number and I found it surprising since other databases are using GUID's and UUID's and similar to deal with that problem. There was an unfortunate lack of explanation for that in the article.