"Ed L." <pgsql(at)bluepolka(dot)net> writes:
> One lsof curiosity is that one cluster seems to have it's
> partition directory listing open about 10K times, including
> many times by the same backend process:
Nah, that's just an lsof aberration on HPUX --- it doesn't always tell
the truth about files' names. Notice the NODEs are all different, so
these really are different files. You could use ls -i if you want to
determine what they actually are.
regards, tom lane