On 10/01/2017 04:22 PM, Robert Haas wrote:
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.

+1 to both of these as well.


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