Hibernate, web application and only one sequence for all primary keys - Mailing list pgsql-sql

Hello!

The subject says it...

Grails/Hibernate wishes per default one sequence for all tables-PKs and all
PKs as BigInt.

What would you think about a database with some tens of tables and
incidentally low to moderate insert concurrency spread in about the half of
the tables from at most 10 concurrent users with some 10-20 inserts each?

And (for the eventuality of an unexpected need to scale up in the future -
e.g. integration of multiple databases), from about which size would you
expect performance penalties due to the sole sequence and the BigInt-PKs?

I first intend to deploy it on an Intel Pentium 2 Duo (2.5-2.8GHz) with 3 GB
RAM and SATA hard disk under Ubuntu Server.

Thank you very much in advance!
Regards
Rawi
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