"Ed L." <pgsql@bluepolka.net> writes:
> We're trying to make sense of the number of open files on an
> HP-UX 11.23 system that's getting several new 8.1.2 clusters,
> and in particular why the numbers appear to be significantly
> larger than our 7.4 clusters on similar hardware. Would there
> be anything particular to 8.1.2 over 7.4 that would lead to a
> larger number of open files?
This is much too handwavy to provide an intelligent comment on.
Get a copy of "lsof" and find out exactly which processes have
how many files open, then we'll have some idea what's going on...
regards, tom lane