"Ed L." <pgsql@xxxxxxxxxxxxx> 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