On Sun, Oct 1, 2017 at 3:48 PM, Greg Stark <st...@mit.edu> wrote:
> Well these kinds of monitoring systems tend to be used by operations
> people who are a lot more practical and a lot less worried about
> theoretical concerns like that.

+1, well said.

> In context the point was merely that the default
> pg_stat_statements.max of 5000 isn't sufficient to argue that 32-bit
> values are enough. It wouldn't be hard for there to be 64k different
> queries over time and across all the databases in a fleet and at that
> point it becomes likely there'll be a 32-bit collision.


I think Alexander Korotkov's points are quite good, too.

Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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